35results about How to "Guaranteed imaging effect" patented technology

The invention provides an optical lens. The optical lens comprises a lens barrel, three lenses and at least one spacing element, the three lenses and the at least one spacing element are arranged in the lens barrel, and the three lenses comprise a first lens, a second lens and a third lens which are sequentially arranged from the object side to the image side; the at least one spacing element comprises a first spacing element, and the first spacing element is located between the first lens and the second lens and is in contact with the image side surface part of the first lens; the effective focal length f1 of the first lens and the distance EP01 between the end face, closest to the object side, of the lens barrel and the object side face of the first spacing element meet the condition that f1 / EP01 is larger than or equal to-3.27 and smaller than or equal to-1.93; the inner diameter d1s of the object side surface of the first spacing element and the curvature radius R2 of the image side surface of the first lens meet the condition that d1s / R2 is greater than or equal to 0.63 and less than or equal to 1.59. According to the invention, the problem of poor reliability caused by the fact that an optical lens in the prior art meets the miniaturization requirement is solved.

The zoom lens comprises a focusing lens group, a zoom lens group and a fixed lens group which are sequentially arranged from an object plane to an image plane along an optical axis, the focusing lens group has negative focal power, the zoom lens group has positive focal power, and the fixed lens group has positive focal power; the first lens has negative focal power, the second lens has negative focal power or positive focal power, and the third lens has negative focal power; the fourth lens has positive focal power; the fifth lens has negative focal power, the sixth lens has positive focal power, the seventh lens has negative focal power, the eighth lens has positive focal power, the ninth lens has negative focal power or positive focal power, the tenth lens has negative focal power, and the eleventh lens has positive focal power. The zoom lens can meet the imaging requirement under the full wave band, has the advantages of being small in size and small in distortion, and meets the use requirements of security and protection.

The cooling device comprises a water pump, and the outer wall of the rear side of the water pump is connected with a water inlet pipe and a water outlet pipe; and the cold discharging assembly is arranged on the right side of the water pump and connected with the end, away from the water pump, of the water discharging pipe, and the position, located above the water discharging pipe, of the cold discharging assembly is fixedly connected with a connecting pipe. The invention relates to the technical field of projector liquid crystal screens. According to the cooling device for liquid immersion heat dissipation of the liquid crystal display of the projector, through the arrangement of the water pump, the cooling assembly and the cooling unit, liquid with the higher heat conductivity coefficient can be used for conducting heat dissipation on the liquid crystal display, and the defect that the temperature of the heating face of the liquid crystal display is greatly different due to the fact that traditional air cooling heat dissipation air volume is not uniform is overcome; and meanwhile, the liquid cooling heat dissipation heat conduction and heat exchange efficiency is higher, and the stable display of the liquid crystal screen is greatly improved.

The utility model relates to the technical field of solar cell production equipment, in particular to a cell detection device, and aims to solve the problem that the interior of a cell cannot be detected when the back of the cell is polished. The device comprises a shielding assembly, a camera assembly and a light source assembly. The shielding assembly, the camera assembly and the light source assembly are all arranged above the battery piece; the shielding assembly comprises a baffle, the baffle comprises a light shielding plate, and the light shielding plate can move in the conveying direction of the battery pieces and the direction perpendicular to the battery pieces; the light source assembly emits light to irradiate the battery piece, and the camera assembly receives the light on the side, away from the light source assembly, of the shading plate to obtain images. Interference light is reduced by adjusting the position of the baffle, the interior of the battery piece is detected from the upper portion of the battery piece in an infrared light irradiation mode, the device has the advantages of being high in adjusting precision and easy to use, and the problem that detection cannot be achieved due to the fact that light cannot be emitted on the back face is solved.

The invention relates to a support module, a vehicle window assembly and a vehicle. The support module comprises a support, and the support is provided with a window; the light shield is arranged on the support, and the light shield is matched with the window in an opening and closing mode; the light shield is rotationally connected with the bracket through the rotating mechanism, so that the light shield can be switched between a closing position and an opening position; the limiting lock is connected with the light shield and the support, the limiting lock has a locking state and an unlocking state, when the limiting lock is in the locking state, the limiting lock locks the light shield and the support, and the light shield is kept at a closed position; and when the limiting lock is in an unlocking state, the limiting lock releases the light shield, so that the light shield can rotate to an opening position from a closing position so as to expose the window.

The invention belongs to the field of eye protection, and provides a curved mirror imaging eye protection device which comprises a shell, an observation window is formed in the front end of the shell, a refraction window is formed in the bottom of the shell, a base is connected to the edge of the bottom of the shell, first lamp strips are installed on the two sides of the bottom of the base, and second lamp strips are connected to the two ends of the bottom of the base. Bolt seats are mounted at the top and the bottom of the rear end of the shell; the lens supporting mechanism is installed in the shell, and a bevel lens is installed in the lens supporting mechanism in an inclined mode. By means of the closed design, foreign matter can be effectively prevented from damaging the curved mirror, imaging stability of the curved mirror is guaranteed, the situation that the curved mirror is exposed outside to be polluted, so that the mirror surface is stained, and the mirror surface is stained and scratched is avoided, meanwhile, a certain angle is kept between the bevel lens, the curved mirror and the bevel light splitting refractor, and the service life of the curved mirror is prolonged. And the imaging effect of the device is ensured.

The application provides an optical camera lens, comprising a lens barrel, a first lens to a sixth lens, a first spacing element located on the image side of the first lens and in contact with the image side surface of the first lens, a second spacing element located on the image side of the second lens and in contact with the image side surface of the second lens, a third spacing element located on the image side of the third lens and in contact with the image side surface of the third lens, a fourth spacing element located on the image side of the fourth lens and in contact with the image side surface of the fourth lens, and a fifth spacing element located on the image side of the fifth lens and in contact with the image side surface of the fifth lens; the maximum field angle of the optical camera lens is greater than 110 degrees; the outer diameter D5s of the object side surface of the fifth spacing element, the inner diameter d5s of the object side surface of the fifth spacing element, the effective focal length f of the optical camera lens, and the maximum field angle FOV of the optical camera lens satisfy the following relationship: (D5s+d5s) / [f*tan(FOV / 2)]<2.0. The application solves the problem of poor edge imaging quality of the optical camera lens in the prior art.

The application provides an optical system, comprising: a lens barrel, an inner wall surface of the lens barrel is stepped along an extension direction of an optical axis of the optical system, and a distance from the inner wall surface of the lens barrel to the optical axis gradually increases from an object side to an image side of the optical system; first to fifth lenses sequentially accommodated in the lens barrel from the object side to the image side of the optical system, the fifth lens having a negative focal power; and at least five abutting members, wherein a fourth abutting member is in contact with an image side surface part of the fourth lens, and a fifth abutting member is in contact with an image side surface part of the fifth lens; wherein the effective focal length f5 of the fifth lens, the maximum thickness CP4 of the fourth abutting member, the distance EP45 from the image side surface of the fourth abutting member to the object side surface of the fifth abutting member along the optical axis, and the central thickness CT5 of the fifth lens satisfy: -40 < f5 / (CP4+EP45-CT5) < -5.0. The application solves the problem that high image quality and high stability are difficult to be considered in the prior art.

The embodiment of the present invention discloses a display panel and a display device, wherein the display panel includes an optical component area, wherein the optical component area includes a transparent display area; the transparent display area includes a first transparent display area, a second transparent display area, and a third transparent display area, and further includes a substrate, a first red color filter layer located in the first transparent display area and away from the substrate substrate, a first green color filter layer located in the second transparent display area and away from the substrate substrate, and a first blue color filter layer located in the third transparent display area and away from the substrate substrate; the first blue color filter layer includes a first surface facing the substrate substrate; wherein the first surface is convex toward the side close to the substrate substrate. By arranging the first red color filter layer, the first green color filter layer, and the first blue color filter layer, the first surface of the first blue color filter layer is controlled to convex toward the side close to the substrate substrate, so as to reduce the absorption of blue light by the substrate substrate and ensure the imaging effect of the optical component area.

This application relates to an image alignment control method, apparatus, computer device, and storage medium. The method is applied to a smart device equipped with a first camera and a second camera, and includes the following steps: after entering a powered-on state, controlling the second camera to extend via a connecting rod; rotating the first and second cameras by an angle, and controlling the first and second cameras to capture images at each angle to obtain corresponding images; comparing the images captured by the second camera with the images captured by the first camera at the corresponding angles; determining the first deviation data for each second camera at each angle based on the image comparison results, and correcting and aligning the images captured by the second camera based on the first deviation data. This solution can achieve reliable image alignment, thereby ensuring the imaging effect of the device.

The present invention relates to an imaging sonar and a matching layer potting method. The imaging sonar comprises: an intermediate body, an integrated circuit module, a panel assembly, a backplane assembly and a sealing assembly. The panel assembly comprises a panel covering the front opening of the intermediate body and a plurality of transducers integrated in the panel. The transducer comprises a matching layer, a transducer positioning member and a transducer body. The transducer positioning member is fixed to the transducer mounting hole, and the transducer body is fixed to the transducer positioning member. The matching layer is bonded to the front side of the panel and wraps the transducer positioning member and the transducer body therein. The rear side of the matching layer has a heat dissipation port to expose the rear side of the transducer body. By reserving a heat dissipation port on the rear side of the matching layer, the rear side of the transducer body is connected to the mounting cavity of the intermediate body through the heat dissipation port, so that the transducer can dissipate heat in the form of heat convection such as air or liquid, thereby improving the heat dissipation performance of the integrated circuit.

The utility model relates to the technical field of automatic detection, in particular to an imaging device and an imaging system. Comprising a first imaging assembly used for collecting a plane image of a to-be-detected object in a field of view; the second imaging assembly is used for collecting a stereoscopic image of the to-be-detected object in the field of view; the controller is respectively connected with the first imaging assembly and the second imaging assembly, and synchronously controls the first imaging assembly and the second imaging assembly to carry out image acquisition along a preset acquisition route; the first imaging assembly and the second imaging assembly collect images in the same visual field range. According to the invention, the imaging cost of equipment is reduced and the detection efficiency is improved while the imaging effect is ensured, and the light sources with different wavebands and different angles are configured for the detection item through independent control of the plurality of control channels on the plurality of light sources, so that the optimal image effect is obtained, and the compatibility of the light source scheme is improved.

This application discloses an image exposure processing method, apparatus, device, and medium. The method includes: calculating a first average brightness value of the target image based on the brightness values ​​of image blocks obtained by dividing the target image; calculating the brightness standard deviation of the target image based on each brightness value and the first average brightness value; determining a second average brightness value of a first image block representing a region of interest (ROI) and a third average brightness value of a second image block representing a region of non-ROI based on the weight values ​​of the image blocks, and calculating a ROI difference value based on these values; performing exposure detection on the target image based on a first comparison relationship between the brightness standard deviation and the exposure tolerance value, and a second comparison relationship between the ROI difference value and the ROI difference threshold; and performing exposure processing on the target image based on the exposure detection results. This application combines the brightness standard deviation with the determination of whether there is a regional imbalance in exposure to determine the exposure detection results, thereby improving the accuracy of exposure detection and ensuring the imaging effect of the exposure processing.

A video acquisition device for wear particles in flowing oil, comprising an industrial camera, a host computer, a telecentric lens, a bowl-shaped light source, and an oil flow detection module; the industrial camera is installed at the eye position of the telecentric lens, the outer ring of the observation end of the telecentric lens is installed with a bowl-shaped light source, and the signal output end of the camera is connected to the signal acquisition end of the host computer; the center of the telecentric lens and the bowl-shaped light source is the same axis, and the telecentric lens and the bowl-shaped light source face the oil flow detection module; it also includes a reflective background plate, and the side of the oil flow detection module facing away from the bowl-shaped light source is provided with a reflective background plate, and the reflective background plate corresponds to the bowl-shaped light source; the oil flow detection module includes an oil circuit block and a microcrystalline heating plate, the oil circuit block is transparent, and the oil circuit block body is provided with a microchannel, and the microchannel is located in the observation range of the telecentric lens and the bowl-shaped light source. The imaging lens of this scheme can improve the depth of field of the imaging object, and the combination of the two can clearly collect the image information of wear particles in the oil.

A nuclear magnetic resonance spectrometer comprises a magnetic resonance main body and a supporting frame arranged on one side of the magnetic resonance main body, a movable plate is movably arranged on the supporting frame, and two sets of guardrail mechanisms and an adjusting mechanism used for driving the two sets of guardrail mechanisms to move oppositely are arranged on the movable plate. According to the nuclear magnetic resonance spectrometer, the protective fence can be changed into a vertical state from a horizontal state only by rotating the rotating shaft, and meanwhile, the protective fence can move towards a patient to clamp and limit the arm of the patient, so that the phenomenon that the imaging effect is affected due to the fact that the arm of the patient moves randomly unconsciously is prevented, and the imaging quality is improved. An operator only needs to rotate a rotating shaft to enable the protective fence to be far away from the patient, meanwhile, the protective fence is changed into a horizontal state from a vertical state, the patient can conveniently move down from the moving plate, therefore, the patient is not blocked by the protective fence when moving up and down, the patient can conveniently move up and down, and the protective fence can clamp and limit arms; the imaging effect is ensured.

The utility model discloses a weak temperature drift full frame big aperture micro single lens, including optical system of lens, optical system is from left to right in turn with first lens, second lens, third lens, fourth lens, fifth lens, sixth lens, diaphragm, seventh lens, eighth lens, ninth lens along the light ray incident light path, wherein, first lens is negative refractive power meniscus lens, second lens is negative refractive power double concave lens, third lens is positive refractive power double convex lens, fourth lens is negative refractiive power meniscus lens, fifth lens is positive refractive power double convex lens, sixth lens is positive refractive power double convex lens, seventh lens is negative refractive power meniscus lens, eighth lens is negative refractive power meniscus lens, ninth lens is positive refractive power double convex lens.

This utility model relates to the field of confocal systems and electromagnetic equipment technology, and discloses a coil structure for use in a confocal system, placed on a confocal lens. The structure includes: a ring-shaped magnetic core with a placement notch; the placement notch is used to place a cell container, with the confocal lens located below the cell container; a hollow coil wound around the magnetic core; and a coolant circulation mechanism connected to the coil, which is used to introduce a cooling medium into the coil to cool the coil structure. This coil structure can be placed in the lens area to operate, avoiding excessive attenuation of the magnetic field strength. The hollow coil allows the coolant to circulate within it and carry away the heat generated by the coil, avoiding the risk of heating the lens when using the coil directly. It solves the compatibility problem between alternating magnetic fields and confocal microscopes, and provides a reliable solution for studying the effects and mechanisms of alternating magnetic fields at the cellular level.

The present invention discloses an online adaptive waveform parameter adjustment method for synthetic aperture radar imaging, the method comprising: obtaining an initial value of an azimuth angle, an initial value of a ground-grazing angle, and an initial value of a waveform parameter based on a flight trajectory of a flight platform; determining relevant data of synthetic aperture radar imaging; judging whether the relevant data meets a preset synthetic aperture radar imaging index; if so, constructing an offline waveform library based on current waveform parameters; and adjusting the waveform parameters online based on the offline waveform library and in combination with the flight trajectory of the flight platform. The method enables the synthetic aperture radar imaging waveform to adapt to the flight trajectory error, can guarantee the imaging performance under certain error conditions, and is applicable under both positive side and front oblique geometric conditions, and can improve the synthetic aperture radar imaging performance.

The present invention provides an imaging component and an imaging device, wherein the imaging component is made of a transparent material, and the imaging component comprises: an imaging surface, which is used to reflect the light generated by an image source to form a virtual image in the imaging component; a first supporting surface connected to the imaging surface and arranged obliquely to the imaging surface; a second imaging surface connected to the imaging surface and arranged obliquely to the imaging surface; the second supporting surface is arranged obliquely to the first supporting surface, or the second supporting surface is arranged perpendicularly to the first supporting surface; a first transition surface, which is connected to both the imaging surface and the first supporting surface, and is arranged perpendicularly to the imaging surface; a second transition surface, which is connected to both the imaging surface and the second supporting surface, and is arranged perpendicularly to the imaging surface, and is parallel to the first transition surface. Through the present invention, the serious glare problem of the imaging component is solved, the imaging effect of the imaging component is guaranteed, and the stimulation of glare to the human eye is avoided or reduced.

The application relates to the optical field, in particular to an optical lens, an optical fingerprint module and an electronic device. The optical lens is configured between a display screen and an imaging surface. The optical lens comprises three optical lenses. The three optical lenses are a first lens, a second lens and a third lens arranged in sequence along an optical axis of the optical lens from the display screen to the imaging surface. The optical lens satisfies 1 <= TTL / airgap <= 1.4. According to the optical lens, the miniaturization of the optical lens can be realized under the condition of ensuring the imaging performance, and the cost is reduced.

The invention discloses an ultrasonic and optical dual-mode imaging system, and relates to the technical field of dual-mode imaging. The ultrasonic and optical dual-mode imaging system comprises a host, a catheter, an imaging head, a sleeve and a display which are arranged on a dual-mode imaging system body, the side wall of the sleeve is fixedly sleeved with a supporting plate, the bottom of the supporting plate is fixedly connected with a base, the side wall of the supporting plate is fixedly connected with a fixing ring, and the fixing ring is fixedly connected with the base. A hollow annular cover is fixedly inserted into the end, away from the supporting plate, of the fixing ring, an annular mounting groove is formed in the inner side wall of the annular cover, and an annular air bag is fixedly connected into the mounting groove. According to the ultrasonic and optical dual-mode imaging system, the constant pressure of carbon dioxide gas filled into the abdominal cavity can be guaranteed, meanwhile, the air bag can abut against the side wall of the catheter after being expanded, the sealing effect is achieved, dissipation of the carbon dioxide gas is avoided, and therefore the imaging effect is guaranteed.

The utility model discloses a prick reading instrument, and provides corresponding instrument equipment for realizing automatic operation of a skin prick test. According to the technical scheme, the prick reader comprises a case, an arm lifting cushion, an image acquisition mechanism and an industrial control computer, an opening is formed in the front end of the case and used for placing an arm into the case, the arm lifting cushion is arranged in a cavity in the front of the case, the image acquisition mechanism is arranged above the arm lifting cushion, and the image acquisition mechanism is connected with the industrial control computer. The image acquisition mechanism comprises a camera for acquiring a skin pricking area and a light source.

The utility model discloses a preparation device of an ultrasonic microbubble contrast agent for judging the position of a deep venous catheter, which is used for preparing the microbubble contrast agent and comprises a foam maker, an injector and a connector, and the injector is connected with the foam maker through the connector; the foam maker comprises a stirring bin, a driver and stirring fan blades, the stirring bin is connected with the injector through a connector, the stirring fan blades are arranged in the stirring bin, and the driver is arranged outside the stirring bin and connected with the stirring fan blades. According to the utility model, the foam maker is used for automatically foaming, so that rapid, stable and uniform foaming is realized, the consistency of the effect of a microbubble contrast agent is ensured, the foaming efficiency is higher, the quality is more stable, and the imaging effect of the contrast agent is ensured; after foaming is conducted through the foam maker, injection of the microbubble contrast agent can be directly conducted, operation is simplified, consumed time is shortened, microbubble ablation is avoided, and the quality of injection operation of the microbubble contrast agent is effectively guaranteed.

The utility model discloses a mouse brain fixing instrument capable of being flexibly adjusted, which comprises a base, and a mouse body fixing mechanism is arranged at the rear end of the base; a mouse brain fixing table is arranged in the middle of the base, two locking stand columns are arranged at one end of the mouse brain fixing table, adjustable supporting arms are arranged at the top ends of the two locking stand columns, the tail ends of the adjustable supporting arms are connected to mouse brain fixing pieces, four stand columns are arranged at the other end of the mouse brain fixing table, and ear rods are inserted into the middles of the two stand columns respectively. The position of the mouse brain fixing piece is finely adjusted front, back, left and right through the adjustable supporting arm, a micropore of the fixing piece is accurately aligned with a laboratory mouse skull windowing position, adjustment and use are flexible, the laboratory mouse is convenient to take and place, applicability is higher, and the brain imaging effect is effectively guaranteed.

The utility model provides a water circulation system suitable for microsection imaging, which relates to the technical field of medical equipment and comprises a water tank, a scrap suction pipe, a water pump, a water outlet pipe, a filter, a water return pipe, a water replenishing pipe and a water replenishing tank, a first end of the scrap suction pipe is inserted into the water tank, and a second end of the scrap suction pipe is connected to a water pumping port of the water pump; the first end of the water outlet pipe is connected to the water outlet of the water pump; the first end of the water return pipe is connected to the outlet of the filter, and the second end is connected to the water tank; the first end of the water replenishing pipe is inserted into the water tank; in the vertical direction, the first end of the scrap suction pipe is lower than the first end of the water supplementing pipe, and the first end of the water supplementing pipe is higher than the second end of the water supplementing pipe. Therefore, the functions of chip suction, filtering, automatic water replenishing and the like can be achieved. In addition, the liquid level height of the sample imaging solution in the water tank can be kept unchanged, and the imaging effect is guaranteed. Meanwhile, the whole system realizes modular design and assembly, and is low in cost and good in stability.

The utility model provides a drying structure for an endoscope and the endoscope. The drying structure comprises a ring seat, a ring cover, a plurality of spherical drying agents and an annular semi-permeable membrane, the ring seat, the ring cover and the ring-shaped semipermeable membrane are ring-shaped, and center holes of the ring seat, the ring cover and the ring-shaped semipermeable membrane are coaxially arranged; one surface of the ring seat is provided with an annular groove, and the annular groove is coaxial with the central hole of the ring seat and surrounds the periphery of the central hole of the ring seat; a plurality of spherical drying agents are arranged in the annular groove; the annular cover covers the annular groove and is used for pressing the annular semi-permeable membrane on the annular seat; at least one strip-shaped opening is formed in the annular cover and is located within the projection range of the annular groove; the annular semi-permeable membrane covers and blocks the opening of the annular groove, and water molecules can penetrate through the annular semi-permeable membrane. The device can effectively adsorb water vapor in the cavity of the endoscope, so that the imaging performance of the endoscope is effectively improved.

The present application relates to a model training method, device, equipment and medium based on image processing. The method includes: generating prediction data corresponding to the sample image data of the training set through a generator model to be trained; calculating the generator loss value according to the generator loss function, and calculating the discriminator loss value according to the discriminator loss function; according to the generator loss value and the discriminator loss value, respectively, using back propagation to repeatedly and alternately optimize the generator model to be trained and the discriminator model to be trained, and when the accuracy requirement or the preset number of iterations is reached, the generator model parameters of the generator model to be trained and the discriminator model parameters of the discriminator model to be trained are saved to obtain the trained generator model and discriminator model. By using the trained model in this method, images that match the actual shooting situation can be adaptively generated without the need for professional resources or complex adjustment techniques, saving resources and time costs, and ensuring the imaging effect.

The application provides a prism module and an electronic device, and relates to the field of lenses. The prism module comprises a prism module, a fixing frame and a support frame. The prism module comprises a first lens, a prism and a second lens which are sequentially bonded. The fixing frame comprises a fixing surface, a first side wall and a second side wall. The fixing surface is provided with at least a first opening and a second opening. The support frame is an integral structure comprising a first support surface, a second support surface, a first side surface and a second side surface which are respectively located on the two sides of the first support surface and the second support surface. The two sides of the prism are fixed with the first side surface and the second side surface of the support frame through a side glue layer. The first support surface is provided with a first support, and the second support surface is provided with a second support. The first support passes through the first opening of the fixing frame, and the second support passes through the second opening of the fixing frame. The structure of the prism module is more compact, the prism module can be prevented from displacement and deflection, and the light path precision and imaging effect of the prism module are ensured.

The invention discloses an intelligent virtual fitting method based on three-dimensional human body modeling, which is applied to the technical field of virtual reality, and comprises the following steps: obtaining two-dimensional images of a user body and clothes to be fitted, adjusting and synthesizing a three-dimensional image based on perspective transformation, and extracting three-dimensional features by using a three-dimensional convolutional neural network; based on the three-dimensional features, performing three-dimensional text description prediction by using a bidirectional long-short-term memory network, and outputting a three-dimensional fitting image by using a three-dimensional deconvolution neural network in combination with the three-dimensional features; judging the authenticity of a three-dimensional fitting image based on the combination of three-dimensional convolution and a full-connection layer, calculating a cross entropy to determine a first loss, performing three-dimensional text description prediction after three-dimensional fitting by using a bidirectional long-short-term memory network, calculating a second loss based on term frequency-inverse document frequency, and performing three-dimensional text description prediction after three-dimensional fitting. And three-dimensional features after three-dimensional fitting are extracted based on the three-dimensional convolutional neural network, third loss is calculated through the Euclidean distance, and iterative parameter adjustment is performed respectively. According to the invention, the three-dimensional virtual fitting effect and precision are effectively improved.