53 results about "Visual Discomfort" patented technology

The invention discloses an image enhancement method and system based on deep learning, and the method comprises the following steps: obtaining an image pixel matrix, extracting multi-region features according to a brightness difference value, a gradient direction and a texture density partition frequency, carrying out the weighting of the multi-region features, generating a response graph, carrying out the scale decomposition, extracting multi-scale features, fusing a residual image, and enhancing the detail inhibition redundancy. And calling the multi-image parameter to callback the brightness, and outputting an enhanced image. According to the method, accurate separation of high and low frequency regions is realized through region frequency attribute division, fuzzy and excessive enhancement caused by unified processing are avoided, a differentiation strategy is adopted for different regions to improve high-frequency details and suppress low-frequency redundancy, and feature response weight maps are subjected to weighted stacking and normalized enhancement of local textures and contrast. Scale decomposition is combined with multi-scale fusion to improve naturalness and avoid visual discomfort, and edge consistency matching optimizes brightness callback to enhance edge definition and overall visual performance.

A video perspective method based on virtual reality relates to the technical field of virtual reality, and comprises: at least two cameras for capturing video information in real time, the cameras being provided with spatial positions and angles; performing geometric correction on the video information; the eye movement tracking module monitors the gazing direction of the eyes of the user in real time and adjusts the display position; the eye movement tracking module tracks eyeball movement; reconstructing a three-dimensional model of the surrounding environment of the user; based on the three-dimensional model, determining a relative position relationship between the virtual object and the real object; the head posture sensor obtains head movement information of a user; performing semantic segmentation on the video frame through a deep learning algorithm; and synthesizing the video information and the virtual content on the head-mounted display device, and outputting the synthesized video information and virtual content. The technical problems of visual discomfort and dizziness caused by position mismatching can be solved, and natural fusion of a real scene and a virtual scene is realized.

The invention discloses a pixel-level screen display adjusting method and device, a storage medium and computer equipment. The method comprises the steps that current display content of a screen is acquired; dividing the current display content into a plurality of display areas, and analyzing display pixel information of each display area to determine pixel-level brightness information of each display area; determining a to-be-adjusted area in each display area based on the pixel-level brightness information of each display area; target brightness information of the to-be-adjusted area is determined, and the brightness adjustment amount of the to-be-adjusted area is calculated based on the target brightness information and the pixel-level brightness information corresponding to the to-be-adjusted area; and adjusting the current display content of the to-be-adjusted area according to the brightness adjustment amount. Through pixel-level brightness adjustment, it can be ensured that each area on the screen reaches a proper brightness level, and visual discomfort caused by brightness difference is reduced.

The invention provides an LED induction control system and method based on man-machine interaction, and belongs to the technical field of LED control, the energy efficiency, experience and intelligence are improved through data-driven dynamic illumination control and user feedback closed-loop optimization, on one hand, personnel activities are accurately matched through real-time trajectory analysis and weight dynamic adjustment, and on the other hand, the energy efficiency, experience and intellectualization are improved; only a necessary area is activated and the brightness is adaptively adjusted by using a wireless network, so that the invalid energy consumption is remarkably reduced; on the other hand, in combination with pre-judgment type illumination and gradient dimming, the method actively adapts to a personnel behavior mode and reduces visual discomfort, and the use comfort is improved; meanwhile, the system automatically identifies key lighting nodes based on historical data, improves the track precision through multi-sensor fusion, supports a user to remotely customize a coverage range, gives consideration to flexibility, privacy protection and self-learning ability, and finally forms a sustainable lighting solution with energy efficiency optimization, experience upgrading and intelligent management cooperation.

The invention relates to the technical field of functional food, in particular to an eye-protecting and brain-strengthening composition as well as a preparation method and application thereof. The aronia, the astaxanthin, the DHA, the medlar, the hovenia dulcis thunb and the saffron crocus extract are compounded, various functional raw materials have a synergistic effect, the visual problem is improved through multiple channels, the cognitive ability is synchronously improved, and the astaxanthin eye drops have the effects of preventing retina oxidative damage, promoting eye blood circulation, relieving visual fatigue, protecting nerve cells and improving the cognitive state. Through reasonable proportioning, the composition for protecting eyes and strengthening brain has better effects of relieving visual discomfort, improving vision and improving brain health.

The invention discloses a tunnel internal illumination control method based on multi-data analysis, and relates to the technical field of tunnel illumination control. According to the invention, the construction of the brightness control curve takes the Gaussian function as the core, the continuous attenuation of the brightness from the natural brightness of the hole to the reference brightness in the hole is realized through the brightness transition curve, and the Gaussian attenuation coefficient is solved in combination with the length of the transition section, so that the smoothness of the brightness along with the position change is ensured; the problem of visual discomfort caused by sudden brightness change in traditional stepped dimming is solved; in addition, by judging whether the intersection point exists in the brightness transition curves of the transition sections of the entrance and the exit, the curves are intercepted or recalculated, and the illumination control conflict caused by overlapping of the transition sections in the short tunnel is effectively solved. According to the technical scheme, the illumination in the tunnel is accurately controlled, so that the vision of a driver is always in a comfortable and adaptive state in the whole process of entering, driving out of the tunnel and passing through the short tunnel, the obstacle recognition distance is remarkably prolonged, and the risk of accidents such as rear-end collision and lane departure is reduced.

The invention relates to an AI-based binocular double-screen display enhancement method and device, and the method comprises the following steps: carrying out the collection and distortion correction of a target scene through a binocular camera, and obtaining a binocular correction image; graying the image into a binocular grey-scale image, and carrying out pixel block matching based on the binocular grey-scale image to obtain a pixel matching pair; and calculating a left and right target pixel coordinate difference value according to the matching pair, generating a scene disparity map, and extracting scene depth data from the scene disparity map. And mapping the binocular correction image to a left display screen and a right display screen of the double-screen display equipment by using the depth information to form a double-screen initial image. And performing brightness consistency adjustment on the double-screen initial image to obtain a brightness balanced image. The edge detail enhancement including contrast adjustment and texture sharpening is performed on the brightness-balanced image based on the scene depth data, and then the processed edge enhancement region map and the texture enhancement image are fused, so that the technical problem of visual discomfort caused by lens distortion and non-uniform illumination in an actual scene in the traditional technology is solved.

The invention discloses a pair of frame glasses external auxiliary adjustment light splitting glasses and a use method thereof, and particularly relates to the technical field of glasses, the frame glasses external auxiliary adjustment light splitting glasses comprise a glasses frame and glasses legs, the glasses legs are fixedly mounted at the rear end of the glasses frame in a bilateral symmetry manner, and lenses are fixedly connected to the inner surface of the glasses frame in a bilateral symmetry manner; central optical areas are arranged at the centers of the two lenses, the two lenses are provided with peripheral annular optical areas around the central optical areas, and a plurality of micro-cylindrical lenses are arranged in the areas where the peripheral annular optical areas are located. According to the frame glasses external auxiliary adjustment light splitting glasses and the use method thereof, through personalized design and adjustment, the vision correction requirements of different users are met; the size of the central optical area is customized according to comprehensive consideration of the diameter of the macular area, the eyeball curvature, the cornea shape and the personal eye using habit of the user, it is ensured that light is accurately focused on the retina of the user, the correction effect is optimized, and visual discomfort caused by mismatching of the sizes of the optical areas is reduced.

The invention relates to the technical field of illumination control, and provides an illumination lamp control method, an illumination lamp and electronic equipment. The illumination lamp comprises an illumination part and a detection part, the illumination part is used for being installed in the tunnel and used for adjusting the light intensity in the tunnel, and the detection part is used for being installed outside the tunnel and used for detecting the light intensity outside the tunnel; the control method comprises the following steps: acquiring current light intensity in a tunnel and current light intensity outside the tunnel; determining that the difference value between the current light intensity in the tunnel and the current light intensity outside the tunnel is greater than a threshold value; and controlling the illumination part to adjust the light intensity in the tunnel, so that the difference value between the current light intensity in the tunnel and the current light intensity outside the tunnel is smaller than a threshold value. According to the illumination lamp control method provided by the embodiment of the invention, the illumination intensity in the tunnel is dynamically adjusted to be coordinated with the illumination intensity of the external environment, so that visual discomfort and potential safety hazards caused by rapid change of brightness when a driver enters and exits the tunnel are eliminated or remarkably reduced.

The invention discloses a method for detecting brightness outside a tunnel based on generating capacity of a solar panel. The method comprises the following steps: (1) detecting open-circuit voltage and short-circuit current of a main loop of the solar panel outside the tunnel; (2) establishing a mathematical model according to the measured open-circuit voltage and short-circuit current in combination with the environmental temperature and the characteristic parameters of the solar panel, and calculating the brightness value outside the tunnel hole; and (3) comparing the calculated brightness value outside the tunnel portal with a preset brightness threshold value of the tunnel portal, and adjusting the illumination intensity of the tunnel portal so as to reduce visual discomfort of a driver. The brightness outside the tunnel is judged through the open-circuit voltage and the short-circuit current of the solar panel, so that the cost is reduced, and the stability and the reliability of the system are improved. In addition, the method has the advantages of being easy and convenient to maintain, high in adaptability and the like.

The invention provides a display method and device for a vehicle screen, a vehicle and a storage medium, and the method relates to the field of vehicles, and comprises the steps: obtaining the display type of to-be-displayed prompt information in the vehicle screen and the number of first display regions, wherein the first display area is used for representing a display area for highlighting the to-be-displayed prompt information; based on the display type and the number of the first display areas, determining a target eye protection level of a target display area in the vehicle screen, the target display area being a display area except the first display area in the vehicle screen; determining a target display parameter of the target display area based on the target eye protection level; and displaying the to-be-displayed prompt information in the first display area based on the display type, and controlling the target display area to display based on the target display parameter. According to the method, visual discomfort of a user can be avoided when the vehicle screen is locally highlighted, and the visual experience of the user is improved.

To provide a lighting system capable of mitigating visual discomfort of a person existing in an object space.SOLUTION: A lighting system 100 comprises a plurality of lighting apparatuses 1, an acquisition unit 21, a calculation unit 22, and an indication unit 23. The acquisition unit 21 acquires a desired light color, which is a light color of light with which irradiation is desired for each of the plurality of lighting apparatuses 1, for each of the plurality of lighting apparatuses 1. When respective desired light colors of the plurality of lighting apparatuses 1 are different, the calculation unit 22 calculates a difference between desired light colors on a combination of any two lighting apparatuses 1 of the plurality of lighting apparatuses 1. The indication unit 23 indicates an indication light color, which is a light color of light with which each of the two lighting apparatuses 1 must perform irradiation, to at least one of the two lighting apparatuses 1 so that the difference between the desired light colors is equal to or smaller than a previously set color difference limit value.SELECTED DRAWING: Figure 1

Provided in the embodiments of the present application are a blinking guidance method, a method for updating a screen display parameter, and an electronic device. In the blinking guidance method, after the current operating state of an electronic device is acquired, when the current operating state of the electronic device satisfies a first predetermined state, the electronic device performs blinking measurement on a user who uses the electronic device, so as to obtain a blinking frequency of the user; and when the blinking frequency of the user is less than or equal to a blinking threshold value, the electronic device performs blinking guidance on the user, such that when the blinking frequency of the user is relatively low, the user is prompted to appropriately blink, thereby improving the stability of a tear film, and relieving dry eyes and visual discomfort.

The display position of an image is corrected during acceleration and deceleration so that a driver does not experience visual discomfort. A display system 10 for a moving body displays an image on a display unit in such a way that it is superimposed on an actual landscape. The display system 10 for a moving body comprises an information acquisition means 230 that acquires angular velocity information and acceleration information, a control means 210 that establishes correction information for correcting a display position of an image based on an angular velocity (from the angular velocity information) and an acceleration (from the acceleration information) acquired a predetermined period before the angular velocity information was acquired, and a display position adjustment means 100 that adjusts the display position of the image based on the correction information.

A virtual reality (VR) system can be implemented to identify potential eye strain issues through prolonged engagement. The system employs an electronic device featuring a high-resolution VR headset with integrated eye-tracking sensors. It generates a VR user interface corresponding to a three-dimensional virtual environment and renders it on the VR headset. Within this environment, the system presents a series of progressively challenging visual tasks. Throughout these tasks, the system continuously monitors the user's eye movements and behavior using the eye-tracking sensors. The collected data is then evaluated for indicators of eye strain, potentially allowing for early detection and intervention in cases of visual discomfort during extended VR use.

This application provides an image processing method, system, and device for eliminating laser delamination. This application locates and corrects the laser delamination area in an image frame so that the corrected laser delamination area and other image areas in the current image frame meet preset approximation conditions. This ensures that the display of the current image frame (including the corrected laser delamination area) is close to a normal image, avoiding the phenomenon of dynamic "bright light bars" appearing from time to time when it is displayed. This can reduce the visual discomfort of physicians during laser surgery and enable the surgery to achieve the desired effect smoothly.

The disclosure relates to a device (100) for evaluating the visual discomfort of a person (1) comprising at least one neuro-physiological sensor (5) and at least a processing unit configured to determine, with a trained supervised machine learning model, the visual discomfort of the person (1).

The present invention corrects the display position of an image during acceleration / deceleration so as not to cause an operator a sense of visual incongruity. A mobile body display system 10 makes a display unit display an image such that the image is superimposed over an actual view. The mobile body display system 10 comprises an information acquisition means 230 that acquires angular velocity information and acceleration information, a control means 210 that configures correction information for correcting the display position of the image on the basis of an angular velocity from the angular velocity information and an acceleration from the acceleration information as acquired a prescribed time before the time at which the angular velocity information is acquired, and a display position adjustment means 100 that adjusts the display position of the image on the basis of the correction information.

[Task] It reduces visual discomfort when turning, which occurs due to an image displayed over an actual landscape. [Solution] A control element of a display control device calculates a first position adjustment amount to correct the display position of an image based on the tilt state of a moving body (p. 4), wherein, if the moving body is not in a turning state (p. 5 No) and the tilt state is in a first position fluctuation range (p. 7 Yes), the control element specifies the first position adjustment amount as correction information (p. 8), wherein, if the moving body is not in a turning state (p. 5 No) and the tilt state is not in the first position fluctuation range (p. 7 No), the control element specifies a second position adjustment amount, which is reduced compared to the first position adjustment amount, as correction information (p. 10), wherein, if the moving body is in a turning state (p. 5 Yes) and the tilt state is in the second position fluctuation range (p.12 Yes), the control means specifies the first position setting amount as correction information (p. 08), and where, if the moving body is in a turning state (p. 05 Yes) and the inclination state is not in the second position fluctuation range (p. 12 No), the control means specifies a third position setting amount, which is reduced compared to the first position setting amount, as correction information (p. 14) and outputs it to a display position setting means (p. 15).

The present invention provides an LED sensing control system and method based on human-computer interaction, which belongs to the field of LED control technology. The present invention achieves a triple improvement in energy efficiency, experience and intelligence through data-driven dynamic lighting control and user feedback closed-loop optimization. On the one hand, it accurately matches personnel activities through real-time trajectory analysis and dynamic weight adjustment, and uses wireless networks to activate only necessary areas and adaptively adjust brightness, significantly reducing ineffective energy consumption; on the other hand, combined with predictive lighting and gradient dimming, it actively adapts to personnel behavior patterns and reduces visual discomfort, thereby improving user comfort; at the same time, the system automatically identifies key lighting nodes based on historical data, improves trajectory accuracy through multi-sensor fusion, and supports users to remotely customize coverage, taking into account flexibility, privacy protection and self-learning capabilities, and ultimately forming a sustainable lighting solution that optimizes energy efficiency, upgrades experience and coordinates intelligent management.

To provide a method and apparatus for evaluating discomfort from chromatic flicker, configured to evaluate visual discomfort.SOLUTION: A method includes: a chromaticity storage step (Steps S1, S2) which acquires multiple pieces of image data in a row in a chronological order, and sequentially stores, for each pixel, chromaticity from each image data; a detection step (Steps S4, S10) which compares the stored chromaticity for each pixel and detects distances between the chromaticity, as color differences; and an evaluation step (Steps S3, S5, S7, S9, S11, S12) which evaluates visual discomfort on the basis of the chromaticity and the color differences. The evaluation step evaluates that the image data causes discomfort in the case where the chromaticity stored in the chromaticity storage step is highly saturated red and where color differences detected in a range beyond a predetermined area exceed a predetermined color difference more frequently than a predetermined frequency or number of time, or in the case where the chromaticity is not highly saturated red and where the color differences detected in the range beyond the predetermined area exceed the predetermined color difference more frequently than the predetermined frequency.SELECTED DRAWING: Figure 2

The application discloses a key, which comprises a key cap, a bottom plate, a light-emitting device and a lifting mechanism. The light-emitting device is combined with the bottom plate and located below the key cap. The lifting mechanism is arranged around a light-emitting component of the light-emitting device, and comprises an outer support and an inner support. The outer support and the inner support are pivotally connected with each other and movably connected with the key cap and the bottom plate, so that the key cap can move up and down relative to the bottom plate. The inner support is arranged around the light-emitting component, and the outer support is arranged around the inner support. The bottom of the bottom plate connecting end of the outer support is provided with a light-shielding baffle extending towards the direction of the key cap connecting end of the outer support, so as to block the light emitted by the light-emitting component. The key has the advantages of controlling the halo performance around the key and avoiding the visual discomfort of a user.

The embodiment of the invention provides a blink guiding method, a screen display parameter updating method and electronic device.In the blink guiding method, after the current running state of the electronic device is obtained, when the current running state of the electronic device conforms to a first preset state, the electronic device carries out blink detection on a user using the electronic device, and the screen display parameter updating method is used for updating the screen display parameter. And obtaining the blinking frequency of the user. When the blinking frequency of the user is smaller than or equal to the blinking threshold value, the electronic equipment guides blinking of the user, so that when the blinking frequency of the user is low, the user is prompted to blink properly, the tear film stability is improved, and eye dryness and visual discomfort are relieved.

The myopia prevention and control glasses comprise a first lens and a second lens which are distributed in the first direction, and each of the first lens and the second lens is provided with a clear area and an out-of-focus area. Due to the position distribution of the clear areas and the defocus areas, the sight lines of the two eyes of a wearer simultaneously pass through the clear area of the first lens and the defocus area of the second lens and fall at the same position, or simultaneously pass through the defocus area of the first lens and the clear area of the second lens and fall at the same position. Therefore, the light is prevented from simultaneously passing through the defocus areas of the two lenses. The design is based on an out-of-focus principle, the out-of-focus degree is + 1.0 D to + 5.0 D, ocular axis extension can be inhibited, the myopia progress of teenagers can be slowed down, and meanwhile the problem of visual discomfort can be reduced. Through test verification of the eye tracker, a fixation line is prevented from simultaneously passing through the defocus areas of the two lenses at different fixation angles, and clear vision and prevention and control effects are considered.

The application discloses a kind of progressive lenses and glasses, wherein the progressive lenses include: lens body, and microlens region is located on lens body, and microlens in microlens region is arranged in close-packed manner on lens body;Wherein, microlens region is at least arranged in astigmatic region of progressive lenses, and in first direction, the refractive power of each microlens in astigmatic region gradually increases, and the first direction is the direction from the far use area of progressive lenses to the near use area.Due to the surface of lens body is provided with a large number of close-packed microlens, each microlens can bear a part of refractive power change respectively, and originally large-scale aberration can be dispersed into multiple small-scale aberration accumulation. Dispersed aberration can avoid the impact of large-scale continuous distortion on vision, and reduce the visual discomfort brought by large-scale distortion to wearer.

In the present invention, correcting the display position of an image during deceleration prevents a driver from experiencing visual discomfort. A display system 10 for a mobile object causes a display unit to display an image so as to be superimposed over an actual view. The display system 10 for a mobile object comprises: an angular velocity information acquiring means 230 for acquiring angular velocity information indicating the angular velocity of the mobile object; a stop information acquiring means 230 for acquiring stop operation information pertaining to a mobile object stop-operation; a control means 210 for setting as correction information a first correction amount for correcting a display position of an image on the basis of the angular velocity of the angular velocity information; and a display position adjusting means 100 for adjusting the display position of the image on the basis of the correction information. The control means 210 sets, as the correction information, a second correction amount obtained by suppressing the correction amount more than the first correction amount if it is determined that a predetermined stop operation has been performed by the mobile object on the basis of the stop operation information; and the display position adjusting means 100 adjusts the display position of the image on the basis of the second correction amount set as the correction information.

To provide a projection device for a vehicle that can alleviate visual discomfort.SOLUTION: As shown in Fig. 1(a) and Fig. 1(b), a projection device 1 for a vehicle is schematically configured to include a projection unit 2 that projects a projected image onto a projection region including an interruption portion 6 located on an inner side of a design surface 5 where the continuity of the design surface 5 is interrupted inside a vehicle cabin. This projection device 1 for a vehicle can alleviate visual discomfort.SELECTED DRAWING: Figure 1

A light-emitting diode (LED) luminaire comprising two sets of LEDs, a phase-amplitude circuit, and an LED driving circuit is used to replace a conventional luminaire with a possible severe temporal light artifact. The phase-amplitude circuit is configured to produce two sets of modulating signals with a predetermined phase retardation between the two. The LED driving circuit is configured to produce two sets of LED driving current in response to the two sets of modulating signals and to drive the two sets of LEDs, resulting in imperceptible visual stimuli at temporal modulation frequencies as a result of possible frequency pre-mix. On the other hand, the imperceptible visual stimuli in another embodiment may cause human brain to perceive modulated lighting stimuli and to demodulate thereof into a benign stimulus in the brain without an apparent flicker, thereby endogenously entraining a gamma oscillation, and drastically reducing eyestrain and visual discomfort.

The present disclosure relates to a display method, device, electronic equipment, storage medium and computer program product. The method comprises: in a process in which a first device receives screen projection data transmitted by a second device for an initial picture, determining and displaying a screen projection picture on the first device based on a brightness parameter of a display screen of the first device, a brightness parameter of a display screen of the second device and a display parameter of display content of the initial picture. Through the joint action of the brightness parameter and the display parameter, the display effect of the screen projection picture on the display screen of the first device is the same as the display effect of the initial picture on the display screen of the second device, that is, the visual effect of the screen projection picture on the first device is consistent with the visual effect of the initial picture on the second device, reducing visual discomfort caused by device differences and improving the overall user experience.

The application discloses an image processing method and system. The method comprises the following steps: obtaining a description page of a target object, wherein the description page contains an original image corresponding to the target object and description information of the original image; determining whether the original image is a target image based on the original image or the description information, wherein the target image is an image that causes visual discomfort; obtaining a target replacement image corresponding to the original image in the case that the original image is the target image; and replacing the original image with the target replacement image to obtain a processed description page. The application solves the technical problem that the original image that causes visual discomfort is directly displayed to a user in the related art, thereby affecting the user's browsing experience.