Diopter adjustment device, method, observation console and computer equipment

Abstract

The present application relates to a diopter adjustment device, method, observation console, computer equipment, storage medium and computer program product. The device includes: an optical path module, an image processing component and an image sensor; wherein the original image enters the human eye through the optical path module and forms an image on the retina; the light reflected on the retina enters the image sensor through the optical path module and forms an image by the image sensor; the image processing component is used to extract the imaged image of the image sensor, perform contrast analysis on the imaged image, and adjust the diopter of the optical path module according to the contrast of the imaged image, and repeat the above adjustment process until the contrast of the imaged image obtained after adjustment meets the preset conditions. Since automatic adjustment can be achieved, the operator's pre-operative preparation work can be reduced, thereby improving work efficiency and the operator's user experience, and can meet the user needs of users with different vision conditions.

Description

Technical Field

[0001] The present application relates to the technical field of computer data processing, and in particular to a diopter adjustment device, method, observation console, computer equipment, storage medium and computer program product. Background Art

[0002] Minimally invasive surgery refers to a new technology that uses modern medical devices such as laparoscopes and thoracoscopes and related equipment to perform surgery in the human body. The advantages of minimally invasive surgery are small trauma, light pain, and less bleeding, which can effectively reduce the patient's recovery time, discomfort, and avoid some harmful side effects of traditional surgery. The operator observes the tissue characteristics of the patient's body through a two-dimensional or three-dimensional display device at the observation console, and remotely controls the robot's robotic arm and surgical tools to complete the operation. The display components of the existing surgical robot system can provide the operator with high-fidelity three-dimensional vision and can provide the operator with accurate spatial distance.

[0003] However, during the operation, the surgeon needs to put his eyes close to the window of the observation console in order to see the three-dimensional image sent back clearly. Currently, many surgeons need to wear glasses for vision correction. When surgeons wear glasses for surgery, the glasses will press on the bridge of the nose. During minimally invasive surgery, the complex surgical environment and operation tasks require the surgeon to operate the robot for a long time to perform the operation. Wearing glasses for a long time will make the operator feel tired and uncomfortable, which may increase the risk of minimally invasive surgery errors. Summary of the invention

[0004] Based on this, it is necessary to provide a diopter adjustment device, method, observation console, computer equipment, storage medium and computer program product for reducing surgical risks in response to the above-mentioned technical problems.

[0005] In one aspect, the present application provides a diopter adjustment device, the device comprising:

[0006] An optical path module, an image processing component and an image sensor; wherein the original image enters the human eye through the optical path module and forms an image on the retina; the light reflected from the retina enters the image sensor through the optical path module and forms an image by the image sensor;

[0007] The image processing component is used to extract the imaging image of the image sensor, perform contrast analysis on the imaging image, and adjust the refractive power of the optical path module according to the contrast of the imaging image, and repeat the above adjustment process until the contrast of the imaging image obtained after adjustment meets the preset conditions.

[0008] In one embodiment, the optical path module includes a diopter adjustment component and a semi-transparent and semi-reflective mirror; the original image enters the human eye through the diopter adjustment component and the semi-transparent and semi-reflective mirror in sequence; the light reflected on the retina is reflected to the image sensor through the semi-transparent and semi-reflective mirror.

[0009] In one embodiment, the diopter adjustment assembly includes a fixing unit and a zoom unit; the zoom unit is used to move within a moving range defined by the fixing unit to achieve diopter adjustment.

[0010] In one embodiment, the zoom unit includes a zoom group and a compensation group, and the zoom group and the compensation group are movable along the optical axis.

[0011] In one embodiment, the zoom group and the compensation group move independently; the zoom group moves linearly within the moving range, and the compensation group moves nonlinearly within the moving range.

[0012] In one embodiment, the zoom group and the compensation group move synchronously; a plurality of zoom positions are arranged within the moving range, and the zoom group and the compensation group switch and move synchronously at different zoom positions.

[0013] In one embodiment, the zoom group is a concave lens, and the compensation group is a convex lens.

[0014] In one embodiment, the diopter adjustment assembly includes a liquid variable focus lens.

[0015] On the other hand, the present application further provides an observation console, which is further provided with a diopter adjustment device mentioned in any possible implementation of the various possible implementations of the above-mentioned diopter adjustment device.

[0016] On the other hand, the present application provides a diopter adjustment method, the device comprising:

[0017] Acquire an imaging image, where the imaging image is obtained by the original image entering the human eye through the optical path module, the light reflected on the retina entering the image sensor through the optical path module, and the image being formed by the image sensor;

[0018] The diopter of the optical path module is adjusted, and the contrast analysis of the image obtained after the adjustment is performed, and the above adjustment and analysis processes are repeated until the contrast of the image obtained after the adjustment meets the preset conditions.

[0019] In one embodiment, the optical path module includes a variable magnification group and a compensation group; and the diopter adjustment of the optical path module includes:

[0020] Within a first preset moving range, the zoom group is moved linearly to magnify the image by a preset multiple;

[0021] Within the second preset moving range, the compensation group is moved in a nonlinear manner so that the image formed by the compensation group falls on the image plane at a specified position.

[0022] In one embodiment, the optical path module includes a variable magnification group and a compensation group; and the diopter adjustment of the optical path module includes:

[0023] Within the preset moving range, the zoom group and the compensation group are switched and moved synchronously at different zoom positions.

[0024] In one embodiment, the optical path module includes a liquid zoom lens; and the diopter adjustment of the optical path module includes:

[0025] By pressurizing two mutually immiscible liquid media in a liquid variable focus lens, the curvature of a liquid interface formed between the two liquid media is changed.

[0026] On the other hand, the present application also provides a computer device, including a memory and a processor, wherein the memory stores a computer program, and the processor implements the steps in the above-mentioned diopter adjustment method when executing the computer program.

[0027] On the other hand, the present application also provides a computer-readable storage medium on which a computer program is stored. When the computer program is executed by a processor, the steps in the above-mentioned diopter adjustment method are implemented.

[0028] On the other hand, the present application also provides a computer program product, including a computer program, which implements the steps of the above-mentioned diopter adjustment method when executed by a processor.

[0029] The above-mentioned diopter adjustment device, method, observation console, computer equipment, storage medium and computer program product, because the operator who needs to wear glasses to correct vision can achieve automatic diopter adjustment through the diopter adjustment device to get rid of wearing glasses, so as to avoid the operator feeling tired and uncomfortable due to wearing glasses for a long time, thereby reducing the risk of surgery. Secondly, since automatic adjustment can be achieved, the operator's pre-operative preparation work can be reduced, thereby improving work efficiency and the operator's user experience, and can meet the use needs of users with different vision conditions. In addition, compared with manual adjustment of diopter, since the human eye 600 is not accurate enough in determining the clarity, the contrast obtained by contrast analysis can be used as a reference in the adjustment process, so as to achieve automatic adjustment as an adjustment guide, which is more accurate than manual adjustment. Finally, since closed-loop control of the adjustment process and contrast analysis is adopted, and the adjustment process can be executed multiple times and a termination condition is set, precise adjustment can also be achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 is a schematic structural diagram of a diopter adjustment device in one embodiment;

[0031] Figure 2 is a structural schematic diagram of a diopter adjustment device in yet another embodiment;

[0032] Figure 3 is a schematic structural diagram of a diopter adjustment assembly in one embodiment;

[0033] Figure 4 is a structural schematic diagram of a diopter adjustment assembly in yet another embodiment;

[0034] Figure 5 A schematic diagram of the process of the zoom group and the compensation group moving respectively in one embodiment;

[0035] Figure 6 A schematic diagram of a process of synchronous movement of a zoom group and a compensation group in one embodiment;

[0036] Figure 7 is a schematic structural diagram of a liquid variable focus lens in one embodiment;

[0037] Figure 8 is a schematic structural diagram of a liquid variable focus lens in yet another embodiment;

[0038] Fig. 9 A schematic diagram of the structure of an observation console in one embodiment;

[0039] Fig.10 A schematic diagram of the working principle of a stereo monitor in one embodiment;

[0040] Fig.11 A schematic diagram of a process of transmitting images by a stereoscopic monitor in one embodiment;

[0041] Fig.12 is a schematic flow chart of a diopter adjustment method in one embodiment;

[0042] Fig.13 is a schematic diagram of contrast changes during a diopter adjustment process in one embodiment;

[0043] Fig.14 is a schematic flow chart of a diopter adjustment method in yet another embodiment;

[0044] Fig.15 is a structural block diagram of a diopter adjustment device in one embodiment;

[0045] Fig.16 is an internal structure diagram of a computer device in one embodiment;

[0046] Description of reference numerals:

[0047] 100, optical path module; 200, image processing component; 300, image sensor; 400, original image; 500, display screen; 600, human eye; 700, retina; 110, diopter adjustment component; 120, semi-transparent and semi-reflective mirror; 130, eyepiece; 1101, fixing unit; 1102, zoom unit; 11021, zoom group; 11022, compensation group; 710, electrolyte; 720, oil drop; 730, optical axis; 740, transparent window; 750, metal electrode; 760, insulating material; 770, metal electrode; 910, trolley base; 920, main control arm; 950, stereo monitor; 960, stereo monitor adjustment mechanism;

[0048] 3-1. Video input of the left endoscope; 3-2. Video input of the right endoscope; 3-3. Left display screen; 3-4. Right display screen; 3-5. Left plane mirror; 3-6. Right plane mirror; 3-7. Images of the left and right parallax images in the plane mirror; 3-8. Left eye of the observer; 3-9. Right eye of the observer. DETAILED DESCRIPTION

[0049] In order to make the purpose, technical solution and advantages of the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0050] In some embodiments, Figure 1 As shown, a diopter adjustment device is provided, comprising: an optical path module 100, an image processing component 200 and an image sensor 300; wherein an original image 400 enters a human eye 600 via the optical path module 100 and forms an image on a retina 700 of the human eye 600; light reflected from the retina 700 of the human eye 600 enters the image sensor 300 via the optical path module 100 and forms an image by the image sensor 300;

[0051] The image processing component 200 is used to extract the imaging image of the image sensor 300, perform contrast analysis on the imaging image, and adjust the refractive power of the optical path module 100 according to the contrast of the imaging image, and repeat the above adjustment process until the contrast of the imaging image obtained after adjustment meets the preset conditions.

[0052] Now combined Figure 1, the diopter adjustment process of the above-mentioned diopter adjustment device is described. Specifically, the original image 400 can be presented to the outside through the display screen 500, and can enter the human eye 600 through the optical path module 100. Among them, the original image 400 can be a conventional image, or it can be a test image specially used to test contrast or clarity, such as a resolution test card. The embodiment of the present application does not specifically limit the type of the original image 400. Among them, different types of resolution test cards can be used as image sources, and the diopter automatic adjustment can be achieved through the image processing component 200 in combination with diopter adjustment and data acquisition.

[0053] It can be understood that by using the sampling resolution test card as the original image 400, the contrast between different areas in the image is more obvious, so that the contrast analysis result based on the imaging image can be more accurate, and the diopter adjustment based on the contrast can be adjusted more accurately.

[0054] Figure 1 The dotted line in the figure refers to the light emitted when the original image 400 is presented to the outside through the display screen 500, and the light represented by the dotted line enters the human eye 600 through the optical path module 100. It can be understood that after the incident light is imaged in the human eye 600, the retina 700 will also reflect light. Figure 1 The solid line in the middle refers to the light reflected by the retina 700. The image sensor 300 mainly images the light reflected by the retina 700. It is understandable that if the image sensor 300 is directly placed on the optical path of the light reflected from the retina 700, the light emitted when the original image 400 is presented to the outside through the display screen 500 will be blocked. Figure 1 The propagation direction of the light reflected from the retina 700 can be changed by the optical path module 100.

[0055] After imaging the light reflected from the retina 700 by the image sensor 300, an imaging image can be obtained, and the imaging image can be processed by the image processing component 200. Among them, contrast can refer to the measurement of different brightness levels between the brightest white and the darkest black in the light and dark areas of an image. The larger the difference range, the greater the contrast, and the smaller the difference range, the smaller the contrast. The process of contrast analysis performed by the image processing component can be to calculate the difference between the maximum grayscale value and the minimum grayscale value in the imaging image. Accordingly, the preset condition can be that the grayscale value difference is greater than a preset threshold. Of course, in the actual implementation process, the contrast can also be calculated by other methods and other preset conditions can be set, and the embodiments of the present application do not specifically limit this.

[0056] It should be noted that Figure 1There is a connection between the optical path module 100 and the image processing component 200, mainly because the diopter of the optical path module 100 needs to be adjusted through the image processing component 200. As for how to adjust the diopter of the optical path module 100, in the actual implementation process, a lens with electrically adjustable focal length can be set in the optical path module 100, and the lens parameters can be adjusted through the image processing component 200 to achieve diopter adjustment. Of course, other methods can also be used to adjust the diopter of the optical path module 100, and the embodiments of the present application do not specifically limit this. In addition, Figure 1 The reason why the image processing component 200 is connected to the display screen 500 is mainly that the display parameters of the display screen 500 can be adjusted by the image processing component 200 to obtain a better display effect of the original image 400. Of course, in the actual implementation process, it is also not necessary to control the display screen 500 through the image processing component 200, and this embodiment of the application does not specifically limit this.

[0057] The above-mentioned diopter adjustment device, since the surgeon who needs to wear glasses to correct his vision, can use the diopter adjustment device to achieve automatic diopter adjustment to get rid of wearing glasses, thereby avoiding the surgeon from feeling tired and uncomfortable due to wearing glasses for a long time, thereby reducing the risk of surgery. Secondly, since automatic adjustment can be achieved, the surgeon's pre-operative preparation work can be reduced, thereby improving work efficiency and the surgeon's user experience, and can meet the needs of users with different vision conditions. In addition, compared with manual adjustment of diopter, since the human eye 600 is not accurate enough in determining the clarity, the contrast obtained through contrast analysis can be used as a reference in the adjustment process, and can be used as an adjustment guide to achieve automatic adjustment, which is more accurate than manual adjustment. Finally, since closed-loop control of the adjustment process and contrast analysis is adopted, and the adjustment process can be executed multiple times and a termination condition is set, precise adjustment can also be achieved.

[0058] In some embodiments, Figure 2 As shown, the optical path module 100 includes a diopter adjustment component 110 and a semi-transparent and semi-reflective mirror 120; the original image 400 enters the human eye 600 through the diopter adjustment component 110 and the semi-transparent and semi-reflective mirror 120 in turn; the light reflected on the retina 700 is reflected to the image sensor 300 through the semi-transparent and semi-reflective mirror 120.

[0059] Considering the need to provide an observation entrance for the human eye 600, such as an observation window. Figure 2In the embodiment, the optical path module may further include an eyepiece 130 as an observation entrance. In addition, the eyepiece 130 may also have the function of magnifying the original image 400, which is not specifically limited in the present embodiment. Among them, the semi-transparent and semi-reflective mirror 120 can realize that the light emitted when the original image 400 is presented to the outside through the display screen 500 can be transmitted and injected into the human eye 600. At the same time, it can also be realized that the light reflected from the retina 700 will not be transmitted, but like Figure 2 As shown, it is reflected to the image sensor 300 through the semi-transparent and semi-reflective mirror 120. Among them, the diopter of the diopter adjustment component 110 can be adjusted by the image processing component 200. It should be noted that when the image processing component 200 adjusts the diopter of the diopter adjustment component 110, the diopter adjustment can be achieved by changing the position of the lens in the diopter adjustment component 110 in the direction of the optical axis. Specifically, the position of the lens can be changed by directly moving the lens in the diopter adjustment component 110 along the optical axis. It can also be possible to adjust the position of the lens in the diopter adjustment component 110 along the optical axis by rotating the dial, which is not specifically limited in the embodiments of the present application.

[0060] In the above embodiment, the incident light and the reflected light originally on the same optical path can be propagated separately by the semi-transparent and semi-reflective mirror 120, that is, the incident light path and the reflected light path share the semi-transparent and semi-reflective mirror 120, thereby optimizing the optical path structure and saving space.

[0061] In some embodiments, Figure 3 As shown, the diopter adjustment assembly 110 includes a fixing unit 1101 and a zoom unit 1102; the zoom unit is used to move within a moving range defined by the fixing unit to achieve diopter adjustment.

[0062] Specifically, the fixing unit 1101 is mainly used to stabilize the imaging and to converge the passing light so as to form a real image on the retina 700 later. Figure 3 In the embodiment, the fixing unit 1101 is in the shape of a double convex lens, mainly to be able to converge light. Figure 3 There are two middle fixing units 1101, mainly because of the symmetrical arrangement, which can improve the fixing stability. At the same time, the fixing unit 1101 located in the front is also in the shape of a double convex lens, so that the incident light can be gathered as much as possible to improve the subsequent imaging clarity. It is understandable that. Figure 3 The configuration of the fixing unit 1101 is merely exemplary. In actual implementation, the number of the fixing units 1101 may be more than two, and the component types introduced as the fixing unit 1101 may include not only biconvex lenses but also concave-convex lenses, plano-convex lenses, biconcave lenses, plano-concave lenses and convex-concave lenses, etc. The embodiments of the present application do not make specific limitations on this.

[0063] Regarding the zoom unit 1102, Figure 3 The zoom unit 1102 is exemplarily given in the shape of a biconcave lens. The reason for using a biconcave lens is mainly to improve the magnification of imaging. Of course, in the actual implementation process, the number of zoom units 1102 may be more than one, and the component type introduced as the zoom unit 1102 may not only include a biconcave lens, but also include a concave-convex lens, a plano-convex lens, a biconvex lens, a plano-concave lens and a convex-concave lens, etc., and the embodiments of the present application do not specifically limit this. It should be noted that the fixed unit 1101 can remain fixed along the optical axis, while the zoom unit 1102 can be moved along the optical axis. By moving the zoom unit 1102, the diopter of the diopter adjustment component 110 can be adjusted.

[0064] In the above embodiment, the imaging stability can be improved by using the fixing unit 1101. In addition, the fixing unit 1101 can define the effective moving range of the zoom unit 1102, thereby avoiding invalid adjustment of the diopter adjustment component 110.

[0065] In some embodiments, Figure 4 As shown, the zoom unit 1102 includes a magnification group 11021 and a compensation group 11022, and the magnification group 11021 and the compensation group 11022 can move along the optical axis.

[0066] Specifically, the zoom group 11021 and the compensation group 11022 can both move along the optical axis. Figure 4 The zoom group 11021 shown in the figure is a biconcave lens, and the compensation group 11022 is a biconvex lens. The reason why it is called a zoom group is that the biconcave lens has a magnifying function, and the reason why it is called a compensation group is that the biconvex lens can compensate for the focus deviation during zooming, that is, compensate for the focus deviation of the front moving group (such as Figure 4 The zoom group 11021 in the system causes the displacement of the image plane 800 during the movement. It should be noted that Figure 4 The figures are merely illustrative, and one zoom group 11021 and one compensation group 11022 are provided. In actual implementation, there may be at least one zoom group 11021 and one compensation group 11022, and the embodiments of the present application do not specifically limit this.

[0067] The types of components introduced into the zoom group 11021 may include more than biconcave lenses, such as plano-concave lenses, etc., and the number of components introduced into the zoom group 11021 may be more than one, and the embodiment of the present application does not specifically limit this. The types of components introduced into the compensation group 11022 may include more than biconvex lenses, such as plano-convex lenses, etc., and the number of components introduced into the compensation group 11022 may be more than one, and the embodiment of the present application does not specifically limit this.

[0068] In the above embodiment, the imaging magnification can be magnified by the zoom group 11021, so that the imaging is clearer, and the displacement of the system image plane 800 caused by the movement of the zoom group 11021 can be compensated by the compensation group 11022, so as to ensure that the imaging can be achieved in the human eye 600.

[0069] In some embodiments, the zoom group 11021 and the compensation group 11022 move independently; the zoom group 11021 moves linearly within the moving range, and the compensation group 11022 moves nonlinearly within the moving range.

[0070] Among them, "the zoom group 11021 and the compensation group 11022 move separately" mainly refers to that the zoom group 11021 and the compensation group 11022 may not move synchronously. Linear movement may refer to the mapping relationship between the moving distance and the time t being a straight line, and nonlinear movement may refer to the mapping relationship between the moving distance and the time t being a curve, a surface or an uncertain relationship, which is not specifically limited in the embodiments of the present application. The reason why the zoom group 11021 is made to move linearly is mainly to enable the magnification of the zoom group 11021 to change smoothly, thereby facilitating the regulation of the magnification. The reason why the compensation group 11022 is made to move nonlinearly is mainly because the nonlinear movement can make the selectable values ​​of the compensation displacement amount more, and flexible compensation can be achieved to improve the imaging clarity. Among them, the process in which the zoom group 11021 moves linearly and the compensation group 11022 moves nonlinearly can be referred to. Figure 5 .

[0071] In the above embodiment, the magnification can be easily adjusted by linear movement of the zoom group 11021. The compensation group 11022 can be nonlinearly moved to provide more selectable values ​​for the compensation displacement, thereby achieving flexible compensation to improve imaging clarity.

[0072] In some embodiments, the magnification group 11021 and the compensation group 11022 move synchronously; a plurality of zoom positions are provided within the moving range, and the magnification group 11021 and the compensation group 11022 switch and move synchronously at different zoom positions.

[0073] Among them, synchronous movement may refer to that the relative distance between the zoom group 11021 and the compensation group 11022 remains unchanged during the movement. Specifically, the two can move in the same direction and at the same speed during the zoom process. It can be understood that the displacement of the image plane 800 can only be better compensated when the zoom group 11021 and the compensation group 11022 are usually moved to several specific positions. Therefore, in an embodiment of the present application, a plurality of zoom positions can be set in advance within the moving range defined by the fixed unit 1101, and the zoom group 11021 and the compensation group 11022 can be used as a whole due to the synchronous movement, and the whole can switch and move at different zoom positions to achieve gear shifting and zooming. Among them, the process of synchronous movement of the two can refer to Figure 6 , Figure 6 The dashed box in the middle is used to indicate that the zoom group 11021 and the compensation group 11022 move synchronously.

[0074] In the above embodiment, since the displacement of the image plane 800 can be better compensated only when the zoom group 11021 and the compensation group 11022 are usually moved to several specific positions, by presetting multiple zoom positions, while ensuring a good imaging effect, the adjustment range can be narrowed to simplify the adjustment process, thereby reducing the adjustment cost and improving the adjustment efficiency. In addition, since the movement mode and the structural mode are relatively simple, the machining cost is also relatively low.

[0075] In some embodiments, the zoom group 11021 is a concave lens, and the compensation group 11022 is a convex lens.

[0076] In the above embodiment, by setting the zoom group 11021 as a concave lens and the compensation group 11022 as a convex lens, a better imaging effect can be ensured through a simple combination, thereby reducing the hardware cost of diopter adjustment.

[0077] In some embodiments, the diopter adjustment assembly includes a liquid variable focus lens.

[0078] like Figure 7 As shown, the liquid filled on the left may be an electrolyte 710, and the liquid filled on the right may be an oil droplet 720. The left and right fillings mentioned above are not divided into two cavities for filling, but are mainly because the electrolyte 710 and the oil droplet 720 are immiscible, resulting in the formation of two separate spaces. Among them, the electrolyte 710 on the left may be water or other types of electrolytes, and this embodiment of the present application does not make specific restrictions on this. In the actual implementation process, the oil droplet 720 on the right may also be replaced with other oily non-polar substances, and this embodiment of the present application does not make specific restrictions on this. In addition, 740 in the figure represents a transparent window, 750 in the figure represents a metal electrode, 760 in the figure represents an insulating material, and 770 in the figure represents a metal electrode.

[0079] from Figure 7 It can be seen that a symmetrical lens film is formed between the electrolyte 710 and the oil droplet 720, and the incident surface of the light incident on the lens film is a concave surface, so that the light presents a divergent effect, that is, the lens film plays the role of a concave lens. The dotted line 730 in the figure represents the optical axis. Figure 7 This is when no voltage is applied. At this time, the focal length of the lens is fixed. When voltage is applied to the lens, under the action of the electric field, the amount of charge between the contact surfaces changes, thereby generating an external force that causes the original surface tension to no longer be balanced. A new balance is reached under the action of the external force, thereby changing the radius of curvature of the lens surface, and then changing the focal length of the lens. Among them, the surface tension required to reach a steady state between the two liquids and between the liquid and the wall is different due to the different applied voltages. By adjusting the applied voltage, the curvature of the liquid interface can be changed, and then the focal length of the liquid lens can be changed. The above process is also the application of the electrowetting effect (controlling the wetting characteristics of the liquid on the solid by changing the applied voltage at the solid-liquid interface) in changing the curvature of the liquid surface.

[0080] When a 40 volt voltage is applied, the change of the liquid zoom lens and the change of the light direction can be referred to Figure 8 It should be noted that, in the actual implementation process, one or more liquid zoom lenses may be provided in the diopter adjustment component 110, and the present application embodiment does not specifically limit this. In addition, since the liquid zoom lens is packaged, the fixing unit 1101 may not be provided in the diopter adjustment component 110 in the actual implementation process.

[0081] In the above embodiment, since the liquid zoom lens does not need to adjust the lens position along the optical axis, the volume can be more compact, which is conducive to reducing the diopter adjustment device. In addition, since the adjustment can be quickly achieved by powering on, the diopter adjustment efficiency can be improved. In addition, since there is no restriction on the movement range defined by the fixed unit 1101, a larger focusing distance can be provided.

[0082] The above embodiments mainly introduce the structure of the diopter adjustment device. In the actual implementation process, the diopter adjustment device can be used in any related products that need to provide vision correction. For example, it can be used in a camera. The diopter adjustment device provided by the embodiment of the present application is configured on the camera. By adjusting the diopter through the diopter adjustment knob, people with poor eyesight can see a clear framing picture in the optical viewfinder. Of course, it can also be used in a vision test system. By adjusting the diopter of the diopter adjustment device, the person undergoing the vision test can see the framing provided in the vision test system through the diopter adjustment device, thereby reversely estimating the degree of myopia or hyperopia based on the adjustment parameters of the diopter adjustment device.

[0083] In the embodiments of the present application, it is mainly considered that the operator who performs minimally invasive surgery needs to correct vision, and the operator usually observes the surgical process at the observation console, so in some embodiments, such as Fig. 9 As shown, an observation console is also provided, and the observation console is also provided with a diopter adjustment device as provided in any of the above diopter adjustment device embodiments.

[0084] Specifically, the observation console used by the operator is the control center of the endoscopic surgery system, which may include a trolley base 910, a main control arm 920, and a stereo monitor 950. The stereo monitor 950 provides the operator with a stereo image detected from the image system, and provides reliable image information for the operator to perform surgical operations. During the operation, the operator sitting in front of the observation console is outside the disinfection area, and the operator controls the surgical instruments and laparoscope by operating the main control arm 920. The operator observes the intracavitary images transmitted back through the stereo monitor 950, and operates the main control arm adjustment mechanism 930 with both hands to complete various surgical operations. The operator may also provide support for the hands by adjusting the armrest adjustment mechanism 940, and adjust the position of the stereo monitor 950 through the stereo monitor adjustment mechanism 960.

[0085] Among them, the stereo monitor 950 is the main device for the operator to observe the lesion and the movement of the robot in the patient's body. The operator's head can enter the observation window position of the stereo monitor 950 and observe the image through two windows. The diopter adjustment device provided in the embodiment of the present application can be configured in the stereo monitor 950, and the window can be used as the eyepiece 130 in the diopter adjustment device. The stereo monitor 950 can achieve that when the operator observes the image through the observation window with the naked eye, the image presents a high-definition 3D display effect, and the full image can be seen within a certain distance from the lens. A photoelectric switch can also be set on the stereo monitor 950 to provide lighting.

[0086] The working principle of the stereo monitor 950 can be as follows Fig.10 As shown, Fig.10 3-1 and 3-2 are the video inputs of the left and right binocular endoscopes, 3-3 and 3-4 are the left and right display screens, 3-5 and 3-6 are the left and right plane mirrors, 3-7 is the image of the left and right parallax images in the plane mirrors, and 3-8 and 3-9 are the left and right eyes of the observer.

[0087] The real-time scene signals of the left and right parallax video of the binocular endoscope are input to the left and right display screens 3-3 and 3-4 respectively by 3-1 and 3-2. The positions of the left and right plane mirrors 3-5 and 3-6 are adjusted so that the left and right parallax images overlap in the plane mirrors 3-7. Since the left and right eyes 3-8 and 3-9 of the observer can only see one of the images respectively, the human eye can obtain a three-dimensional effect by directly observing the two parallax images that overlap in the plane mirrors.

[0088] The process of generating the video scene signal and transmitting it to the left and right eyes through the stereo monitor 950 can be referred to in Fig.11 .exist Fig.11 In the present invention, two images captured by the left and right endoscopes can be obtained by shooting. The images are transmitted to the image server through a video interface (such as S-terminal, which stands for Separate Video). The image server processes the dual-channel endoscope images in real time to meet the requirements of the stereo monitor 950. The dual display screens in the stereo monitor 950 respectively display the parallax images of the two-channel endoscopes, and the observer observes the stereo scene through the observation window of the stereo monitor 950.

[0089] The above-mentioned observation console, since the surgeon needs to wear glasses to correct his vision, can use the diopter adjustment device to achieve automatic diopter adjustment to get rid of wearing glasses, thereby avoiding the surgeon feeling tired and uncomfortable due to wearing glasses for a long time, thereby reducing the risk of surgery. Secondly, since automatic adjustment can be achieved, the surgeon's pre-operative preparation work can be reduced, thereby improving work efficiency and the surgeon's user experience, and can meet the needs of users with different vision conditions. In addition, compared with manual adjustment of diopter, since the human eye is not accurate enough in determining clarity, the contrast obtained through contrast analysis can be used as a reference in the adjustment process, and can be used as an adjustment guide to achieve automatic adjustment, which is more accurate than manual adjustment. Finally, since closed-loop control of the adjustment process and contrast analysis is adopted, and the adjustment process can be executed multiple times and has termination conditions, precise adjustment can also be achieved.

[0090] The above embodiments mainly illustrate the diopter adjustment device and the observation console provided with the diopter adjustment device. In some embodiments, for example, Fig.12 As shown, a diopter adjustment method is provided. Taking the method applied to a computer device (the computer device may be a terminal or a server, and the processing process may be implemented by an image processing component in the computer device) as an example, the method includes the following steps:

[0091] Step 1202, acquiring an imaging image, wherein the imaging image is obtained by the original image entering the human eye through the optical path module, the light reflected on the retina entering the image sensor through the optical path module, and the image being formed by the image sensor.

[0092] Specifically, the original image generated by the image source is usually presented on a display screen, and can pass through the diopter adjustment component, the semi-transparent and semi-reflective mirror and the eyepiece in sequence, and finally enter the human eye and form an image on the retina. The light reflected from the retina passes through the eyepiece and the semi-transparent and semi-reflective mirror, and is reflected to the image sensor, and the computer device can extract the image captured by the image sensor.

[0093] Step 1204, adjusting the diopter of the optical path module, and performing contrast analysis on the image obtained after the adjustment, and repeating the above adjustment and analysis process until the contrast of the image obtained after the adjustment meets the preset condition.

[0094] Specifically, the computer device analyzes the contrast of the image, and the image processing component controls the diopter adjustment mirror to adjust the diopter. The analysis process may be to calculate the contrast of the image according to the following formula: contrast = (maximum brightness - minimum brightness) / (maximum brightness + minimum brightness). The value range of the contrast is not greater than 1.

[0095] The computer device repeats the analysis and adjustment process until the contrast of the image obtained after adjustment meets the preset condition. The preset condition may be that the contrast reaches a maximum. Specifically, if the contrast continues to increase during the process of adjusting the diopter along a certain direction of the optical axis, and when it reaches a certain value, the contrast begins to decrease, then it can be considered that the contrast has reached a peak value, that is, the value is the maximum contrast. Specifically, the process in which the contrast reaches a peak value and then gradually decreases during the diopter adjustment process can be referred to Fig.13 .exist Fig.13 The images in the lower middle column of resolution test cards represent the imaging effects under different diopters, and the upper column represents the corresponding contrast conditions. Fig.13 From left to right, it shows the process of contrast gradually increasing and then decreasing, and the contrast reaches a peak in the middle figure.

[0096] It should be noted that, in the actual implementation process, in addition to continuously adjusting the diopter of the diopter adjustment component as described in the above process, supplemented by contrast analysis to adjust the diopter adjustment component to the optimal position, other methods can also be used to find the optimal position of the diopter adjustment component. For example, the computer device can also control the image source to replace the original image or move the original image position along the optical axis, and calculate the optimal diopter of the current user, and then directly adjust the diopter adjustment component to the optimal position according to the calculated value to achieve automatic diopter adjustment. It should also be noted that in the actual implementation process, the MTF (Modulation Transfer Function) method or the SFR (Spatial Frequency Response) method can be used to find the optimal diopter position, and the embodiments of the present application do not specifically limit this.

[0097] Among them, MTF can be a function of the ratio of the modulation degree between the actual image and the ideal image relative to the spatial frequency. MTF is between 0-1. The larger the MTF, the clearer the image. SFR is also called the bevel edge method, which mainly includes two types, namely the horizontal bevel edge method and the vertical bevel edge method. Among them, the horizontal bevel edge with a larger width in the resolution test card, and the vertical bevel edge with a larger height. The vertical bevel edge can be used to test the sharpness in the horizontal direction, and the horizontal bevel edge can be used to test the sharpness in the vertical direction.

[0098] The above-mentioned diopter adjustment method, since the surgeon who needs to wear glasses to correct his vision can use the diopter adjustment device to achieve automatic diopter adjustment to get rid of wearing glasses, thereby avoiding the surgeon from feeling tired and uncomfortable due to wearing glasses for a long time, thereby reducing the risk of surgery. Secondly, since automatic adjustment can be achieved, the surgeon's pre-operative preparation work can be reduced, thereby improving work efficiency and the surgeon's user experience, and can meet the needs of users with different vision conditions. In addition, compared with manual adjustment of diopter, since the human eye is not accurate enough in determining clarity, the contrast obtained through contrast analysis can be used as a reference in the adjustment process, and can be used as an adjustment guide to achieve automatic adjustment, which is more accurate than manual adjustment. Finally, since closed-loop control of the adjustment process and contrast analysis is adopted, and the adjustment process can be executed multiple times and a termination condition is set, precise adjustment can also be achieved.

[0099] In some embodiments, the optical path module includes a zoom group and a compensation group; and the diopter adjustment of the optical path module includes:

[0100] Within the first preset moving range, the zoom group is moved linearly so that the image is magnified by a preset multiple; within the second preset moving range, the compensation group is moved nonlinearly so that the image formed by the compensation group falls on the image plane at the specified position.

[0101] Specifically, the first preset movement range and the second preset movement range may be the same or different, and the embodiments of the present application do not make specific limitations on this. Linear movement may refer to a straight line mapping relationship between the moving distance and the time t, and nonlinear movement may refer to a curve, a surface or an uncertain relationship mapping relationship between the moving distance and the time t, and the embodiments of the present application do not make specific limitations on this. The reason why the zoom group is made to move linearly is mainly to enable the magnification of the zoom group to change smoothly, thereby facilitating the regulation of the magnification. The reason why the compensation group is made to move nonlinearly is mainly because nonlinear movement can make the selectable values ​​of the compensation displacement amount more, and flexible compensation can be achieved to improve imaging clarity.

[0102] In the above embodiment, the magnification can be easily adjusted by linear movement of the zoom group, and more selectable values ​​of the compensation displacement can be made by nonlinear movement of the compensation group, thereby achieving flexible compensation to improve imaging clarity.

[0103] In some embodiments, the optical path module includes a zoom group and a compensation group; and the diopter adjustment of the optical path module includes: within a preset movement range, synchronously switching and moving the zoom group and the compensation group at different zoom positions.

[0104] Among them, synchronous movement may refer to that the relative distance between the zoom group and the compensation group remains unchanged during the movement. Specifically, the two can move in the same direction and at the same speed during the zoom process. It can be understood that the displacement of the image plane can only be better compensated when the zoom group and the compensation group usually move to several specific positions. Therefore, in an embodiment of the present application, a plurality of zoom positions can be set in advance within the moving range defined by the fixed unit, and the zoom group and the compensation group can be used as a whole due to the synchronous movement, and the whole can switch and move at different zoom positions to achieve gear shifting and zooming. Among them, the process of synchronous movement of the two can refer to Figure 6 , Figure 6 The dashed box in the middle is used to indicate that the zoom group and the compensation group move synchronously.

[0105] In the above embodiment, since the displacement of the image plane can be better compensated when the zoom group and the compensation group are usually moved to several specific positions, by presetting multiple zoom positions, while ensuring a good imaging effect, the adjustment range can be narrowed to simplify the adjustment process, thereby reducing the adjustment cost and improving the adjustment efficiency. In addition, since the movement mode and the structural mode are relatively simple, the machining cost is also relatively low.

[0106] In some embodiments, the optical path module includes a liquid zoom lens; and adjusting the diopter of the optical path module includes: pressurizing two immiscible liquid media in the liquid zoom lens to change the curvature of a liquid interface formed between the two liquid media.

[0107] The pressurization process can be controlled by a computer device, and the working process of the liquid zoom lens can refer to the description of the previous embodiment, which will not be repeated here. The above process is mainly an implementation scheme of adjusting and analyzing at the same time. In the actual implementation process, multiple adjustments can be made first, and then contrast analysis can be performed on multiple imaging images obtained by the multiple adjustments to determine whether the contrast peak position (maximum contrast) can be found in the multiple analysis results. If not found, multiple adjustments and multiple analyses are performed until the contrast peak position is found.

[0108] Specifically, the process can refer to Fig.14 ,exist Fig.14In the process, by opening the relevant equipment for diopter adjustment, such as the observation console, the original image can be played by the image source, and the image sensor can collect the imaging image. The computer device analyzes the image contrast based on the initial position of the diopter adjustment, and controls the diopter adjustment component to adjust the diopter multiple times before and after the initial position, and then searches for the presence of a contrast peak position in the multiple adjustments and corresponding analysis results. If not, multiple adjustments and analysis processes are performed until the contrast peak position is found. After the contrast peak position is found, the contrast peak position can be recorded and the above-mentioned iterative cycle process is terminated, and the diopter adjustment component is adjusted to the position corresponding to the contrast peak position. At this time, the computer device can obtain the imaging image again based on the current diopter adjustment result, which is confirmed by the human eye, and the closed-loop control process of automatic diopter adjustment is terminated.

[0109] In the above embodiment, since the liquid zoom lens does not need to adjust the lens position along the optical axis, the volume can be more compact, which is conducive to reducing the diopter adjustment device. In addition, since the adjustment can be quickly achieved by powering on, the diopter adjustment efficiency can be improved. In addition, since there is no restriction on the movement range defined by the fixed unit, a larger focusing distance can be provided.

[0110] It should be understood that, although the steps in the flowcharts involved in the above embodiments are displayed in sequence according to the indication of the arrows, these steps are not necessarily executed in sequence according to the order indicated by the arrows. Unless there is a clear explanation in this article, the execution of these steps is not strictly limited in order, and these steps can be executed in other orders. Moreover, at least a part of the steps in the flowcharts involved in the above embodiments may include multiple steps or multiple stages, and these steps or stages are not necessarily executed at the same time, but can be executed at different times, and the execution order of these steps or stages is not necessarily carried out in sequence, but can be executed in turn or alternately with other steps or at least a part of the steps or stages in other steps.

[0111] Based on the same inventive concept, the embodiment of the present application further provides a diopter adjustment device for implementing the diopter adjustment method involved above. The implementation scheme for solving the problem provided by the device is similar to the implementation scheme recorded in the above method, so the specific limitations in the one or more diopter adjustment device embodiments provided below can refer to the limitations on the diopter adjustment method above, and will not be repeated here.

[0112] In some embodiments, Fig.15 As shown, a diopter adjustment device is provided, which can be a software module or a hardware module, or a combination of the two to become a part of a computer device. The device specifically includes: an acquisition module 1502 and a diopter adjustment module 1504, wherein:

[0113] The acquisition module 1502 is used to acquire an image. The image is obtained by the original image entering the human eye through the optical path module, the light reflected on the retina entering the image sensor through the optical path module, and the image is formed by the image sensor;

[0114] The diopter adjustment module 1504 is used to adjust the diopter of the optical path module and perform contrast analysis on the image obtained after the adjustment, and repeat the above adjustment and analysis process until the contrast of the image obtained after the adjustment meets the preset condition.

[0115] In some embodiments, the optical path module includes a magnification group and a compensation group; the diopter adjustment module 1504 is used to move the magnification group linearly within a first preset movement range so that the image is magnified by a preset multiple; and to move the compensation group nonlinearly within a second preset movement range so that the image formed by the compensation group falls on the image plane at a specified position.

[0116] In some embodiments, the optical path module includes a zoom group and a compensation group; the diopter adjustment module 1504 is used to synchronously switch the zoom group and the compensation group to different zoom positions within a preset movement range.

[0117] In some embodiments, the optical path module includes a liquid zoom lens; a diopter adjustment module 1504 is used to change the curvature of the liquid interface formed between two immiscible liquid media in the liquid zoom lens by pressurizing the two liquid media.

[0118] The above-mentioned diopter adjustment device, since the surgeon who needs to wear glasses to correct his vision, can use the diopter adjustment device to achieve automatic diopter adjustment to get rid of wearing glasses, thereby avoiding the surgeon feeling tired and uncomfortable due to wearing glasses for a long time, thereby reducing the risk of surgery. Secondly, since automatic adjustment can be achieved, the surgeon's pre-operative preparation work can be reduced, thereby improving work efficiency and the surgeon's user experience, and can meet the needs of users with different vision conditions. In addition, compared with manual adjustment of diopter, since the human eye is not accurate enough in determining clarity, the contrast obtained through contrast analysis can be used as a reference in the adjustment process, and can be used as an adjustment guide to achieve automatic adjustment, which is more accurate than manual adjustment. Finally, since closed-loop control of the adjustment process and contrast analysis is adopted, and the adjustment process can be executed multiple times and a termination condition is set, precise adjustment can also be achieved.

[0119] For the specific definition of the diopter adjustment device, please refer to the definition of the diopter adjustment method above, which will not be repeated here. Each module in the above diopter adjustment device can be implemented in whole or in part by software, hardware and a combination thereof. Each of the above modules can be embedded in or independent of the processor in the computer device in the form of hardware, or can be stored in the memory of the computer device in the form of software, so that the processor can call and execute the operations corresponding to each of the above modules.

[0120] In one embodiment, a computer device is provided. The computer device may be a terminal or a server. The internal structure diagram thereof may be as follows: Fig.16 As shown. The computer device includes a processor, a memory, an input / output interface (Input / Output, referred to as I / O) and a communication interface. The processor, the memory and the input / output interface are connected through a system bus, and the communication interface is connected to the system bus through the input / output interface. The processor of the computer device is used to provide computing and control capabilities. The memory of the computer device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, a computer program and a database. The internal memory provides an environment for the operation of the operating system and the computer program in the non-volatile storage medium. The database of the computer device is used to store imaging images and diopter adjustment results. The input / output interface of the computer device is used to exchange information between the processor and an external device. The communication interface of the computer device is used to communicate with an external terminal through a network connection. When the computer program is executed by the processor, a diopter adjustment method is implemented.

[0121] Those skilled in the art will understand that Fig.16 The structure shown in the figure is only a block diagram of a part of the structure related to the solution of the present application, and does not constitute a limitation on the computer device to which the solution of the present application is applied. The specific computer device may include more or fewer components than those shown in the figure, or combine certain components, or have a different arrangement of components.

[0122] In one embodiment, a computer device is further provided, including a memory and a processor, wherein a computer program is stored in the memory, and the processor implements the steps in the above method embodiments when executing the computer program.

[0123] In one embodiment, a computer-readable storage medium is provided, storing a computer program, which implements the steps in the above method embodiments when executed by a processor.

[0124] In one embodiment, a computer program product is provided, including a computer program, which implements the steps in the above method embodiments when executed by a processor.

[0125] Those skilled in the art can understand that all or part of the processes in the above-mentioned embodiment methods can be completed by instructing the relevant hardware through a computer program, and the computer program can be stored in a non-volatile computer-readable storage medium. When the computer program is executed, it can include the processes of the embodiments of the above-mentioned methods. Among them, any reference to the memory, database or other medium used in the embodiments provided in the present application can include at least one of non-volatile and volatile memory. Non-volatile memory can include read-only memory (ROM), magnetic tape, floppy disk, flash memory, optical memory, high-density embedded non-volatile memory, resistive random access memory (ReRAM), magnetoresistive random access memory (MRAM), ferroelectric random access memory (FRAM), phase change memory (PCM), graphene memory, etc. Volatile memory can include random access memory (RAM) or external cache memory, etc. As an illustration and not limitation, RAM can be in various forms, such as static random access memory (SRAM) or dynamic random access memory (DRAM). The database involved in each embodiment provided in this application may include at least one of a relational database and a non-relational database. Non-relational databases may include distributed databases based on blockchains, etc., but are not limited thereto. The processor involved in each embodiment provided in this application may be a general-purpose processor, a central processing unit, a graphics processor, a digital signal processor, a programmable logic device, a data processing logic device based on quantum computing, etc., but are not limited thereto. The technical features of the above embodiments can be combined arbitrarily. In order to make the description concise, all possible combinations of the technical features in the above embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0126] The above-mentioned embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application shall be subject to the attached claims.

Claims

1. A diopter adjustment device, characterized in that: include: An optical path module, an image processing component and an image sensor; wherein the original image enters the human eye through the optical path module and forms an image on the retina; the light reflected from the retina enters the image sensor through the optical path module and forms an image by the image sensor; The image processing component is used to extract the imaging image of the image sensor, perform contrast analysis on the imaging image, and adjust the diopter of the optical path module according to the contrast of the imaging image, and repeat the above adjustment process until the contrast of the imaging image obtained after adjustment meets the preset condition; the contrast analysis process is to calculate the difference between the maximum gray value and the minimum gray value in the imaging image; The preset condition is that the gray value difference is greater than a preset threshold; The optical path module comprises a diopter adjustment component and a semi-transparent and semi-reflective mirror; the original image sequentially passes through the diopter adjustment component and the semi-transparent and semi-reflective mirror to enter the human eye; the light reflected on the retina is reflected to the image sensor through the semi-transparent and semi-reflective mirror; when the image processing component adjusts the diopter of the diopter adjustment component, the diopter is adjusted by changing the position of the lens in the diopter adjustment component in the direction of the optical axis; The diopter adjustment component includes a fixed unit and a zoom unit; the zoom unit is used to move within the moving range defined by the fixed unit to achieve diopter adjustment; the fixed unit is in the shape of a double convex lens; the fixed unit remains fixed along the optical axis; the fixed unit is used to stabilize imaging.

2. The diopter adjustment device according to claim 1, characterized in that: The zoom unit includes a magnification group and a compensation group, and the magnification group and the compensation group are movable along the optical axis direction.

3. The diopter adjustment device according to claim 2, characterized in that: The zoom group and the compensation group move independently; the zoom group moves linearly within the moving range, and the compensation group moves nonlinearly within the moving range.

4. The diopter adjustment device according to claim 2, characterized in that: The zoom group and the compensation group move synchronously; a plurality of zoom positions are arranged within the moving range, and the zoom group and the compensation group switch and move synchronously at different zoom positions.

5. The diopter adjustment device according to any one of claims 2 to 4, characterized in that: The variable power group is a concave lens, and the compensation group is a convex lens.

6. The diopter adjustment device according to claim 1, characterized in that: The diopter adjustment assembly includes a liquid zoom lens.

7. An observation console, characterized in that: The observation console is also provided with a diopter adjustment device as described in any one of claims 1 to 6 above.

8. A diopter adjustment method, characterized in that: include: Acquire an imaging image, wherein the imaging image is obtained by an original image entering a human eye through an optical path module, light reflected on the retina entering an image sensor through the optical path module, and imaging by the image sensor; The diopter of the optical path module is adjusted, and contrast analysis is performed on the image obtained after the adjustment, and the above adjustment and analysis process is repeated until the contrast of the image obtained after the adjustment meets the preset condition; the contrast analysis process is to calculate the difference between the maximum gray value and the minimum gray value in the image; The preset condition is that the grayscale value difference is greater than a preset threshold; the optical path module includes a diopter adjustment component and a semi-transparent and semi-reflective mirror; the original image enters the human eye through the diopter adjustment component and the semi-transparent and semi-reflective mirror in turn; the light reflected on the retina is reflected to the image sensor through the semi-transparent and semi-reflective mirror; when adjusting the diopter of the diopter adjustment component, the diopter adjustment is achieved by changing the position of the lens in the diopter adjustment component in the direction of the optical axis; the diopter adjustment component includes a fixing unit and a zoom unit; the zoom unit is used to move within the moving range defined by the fixing unit to achieve diopter adjustment; the fixing unit is in the shape of a double convex lens; the fixing unit remains fixed along the optical axis; the fixing unit is used to stabilize imaging.

9. The method according to claim 8, characterized in that The optical path module includes a variable magnification group and a compensation group; the diopter adjustment of the optical path module includes: Within a first preset moving range, the zoom group is moved linearly to magnify the image by a preset multiple; Within a second preset moving range, the compensation group is moved in a nonlinear manner so that an image formed by the compensation group falls on an image plane at a specified position.

10. The method according to claim 8, characterized in that The optical path module includes a variable magnification group and a compensation group; the diopter adjustment of the optical path module includes: Within a preset moving range, the zoom group and the compensation group are synchronously switched and moved at different zoom positions.

11. The method according to claim 8, characterized in that The optical path module includes a liquid zoom lens; and the step of adjusting the diopter of the optical path module includes: By pressurizing two mutually immiscible liquid media in the liquid variable focus lens, the curvature of the liquid interface formed between the two liquid media is changed.

12. A computer device comprising a memory and a processor, wherein the memory stores a computer program, characterized in that: When the processor executes the computer program, the steps of the method according to any one of claims 8 to 11 are implemented.

13. A computer-readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by a processor, the steps of the method according to any one of claims 8 to 11 are implemented.

14. A computer program product comprising a computer program, characterized in that When the computer program is executed by a processor, the steps of the method according to any one of claims 8 to 11 are implemented.

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