40 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.

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 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.

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 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.

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.

The invention discloses an AR enabling AI hotel illumination intelligent control furniture removal system. The system comprises a multi-dimensional data acquisition terminal, an edge computing server and an Internet of Things illumination control subsystem. The system extracts furniture texture features and environmental spectral features by using a double-flow twin neural network, calculates a Mahalanobis distance and constructs a spatial conflict matrix in combination with a shielding attenuation coefficient, so as to generate a removal decision. In combination with an intrinsic image decomposition technology, textures are repaired in an albedo layer, and indirect illumination color overflow is eliminated in a colored layer. Meanwhile, the system reconstructs an ideal light field by using a spherical harmonic function based on the removed luminous flux vacancy and the radiance residual error, generates a PWM duty ratio and an RGB gain instruction to drive a physical lamp, and realizes closed-loop luminous efficiency compensation of virtual-real fusion. The technical problems of visual violation, subjective style evaluation and incapability of cooperative compensation of physical illumination caused by indirect light residue can be solved.

A virtual reality (VR) system can be implemented to evaluate visual discomfort in users with eye strain sensitivity. The system utilizes an electronic device equipped with a high-resolution VR headset and eye-tracking sensors. The system generates a VR user interface that simulates visually demanding tasks and renders this interface on the VR headset. Within this virtual environment, the system presents a series of interactive scenarios designed to potentially induce visual stress. Throughout these scenarios, the system continuously monitors the user's eye movements and behavior using the eye-tracking sensors. The collected data is then analyzed for indicators of eye strain and visual discomfort, potentially providing insights into individual susceptibility to visual stress and informing strategies for mitigating discomfort in VR and other visually demanding environments.

The application provides a backlight module operation method and system based on artificial intelligence, the method comprises the following steps: S1: acquiring the motion speed and angular speed data of the user's head, and predicting the head motion trend; S2: establishing a backlight brightness calculation model, taking the head motion trend as the input, and acquiring the theoretical value of the backlight module brightness; S3: based on the theoretical value of the backlight brightness, establishing a curve of the backlight brightness changing with time, and performing smoothing processing on the curve of the backlight brightness changing with time through smoothing filtering; S4: converting the curve of the backlight brightness changing with time after the smoothing processing into the control signal of the backlight module, and sending the control signal to the backlight driving circuit in real time, so as to realize the control of the backlight module. Through the fusion of head motion data prediction and ambient light perception, the dynamic backlight brightness calculation model is established, the 'brightness lag' problem caused by the fact that the traditional backlight control does not consider the head motion state of the user is solved, and the risk of motion sickness caused by the visual discomfort of the user is reduced.

The invention belongs to the technical field of light environment control, and provides an intelligent light environment cooperative control method and system based on multi-parameter feedback, and the method comprises the steps: calculating the visual indexes of adjacent regions, judging whether the adjacent regions have visual discomfort or not according to the visual indexes, recognizing the adjacent regions having visual discomfort, and carrying out the calculation of the visual indexes. The method comprises the following steps: acquiring illumination parameters of adjacent areas, calculating an illumination abrupt change amplitude through the illumination parameters of the adjacent areas, identifying abrupt change adjacent areas in the adjacent areas according to the illumination abrupt change amplitude, judging whether visual discomfort is caused by illumination abrupt change or not through correlation analysis, and obtaining a standard illumination abrupt change amplitude in combination with a correlation analysis result. And further determining the width of the buffer zone and the illumination gradual change rule of the buffer zone, and arranging the buffer zone between the adjacent areas with visual discomfort, thereby solving the problems that the illumination strategies of the adjacent areas are independently optimized and the visual coherence of the transition areas is ignored, so that obvious light sudden change occurs when the human eyes are switched in different areas, and visual fatigue or discomfort is caused.

The present application provides for mitigating motion ocular discomfort in live streaming media. In some embodiments, a media server performs a calibration for motion sensitivity for a user. For example, the media server may access calibration data based on receiving user feedback as to the level of comfort or discomfort (e.g., the user may select an emoji that corresponds with their level of comfort). The media server may then select a sensitivity setting for the user based on the feedback indicating the user experienced undesirable visuals in the video stream. The media server may, based on determining that visual characteristics of a first portion of the video stream correspond to a sensitivity setting for the user, cause a visual modification to be applied to the video stream to adjust the visual characteristics to mitigate the ocular discomfort.

The invention provides a backlight module operation method and system based on artificial intelligence, and the method comprises the steps: S1, obtaining the data of the movement speed and angular speed of the head of a user, and predicting the movement trend of the head; s2, establishing a backlight brightness calculation model, and acquiring a theoretical value of the brightness of the backlight module by taking the head movement trend as input; s3, based on the theoretical value of the backlight brightness, establishing a curve of the backlight brightness changing along with time, and smoothing the curve of the backlight brightness changing along with time through smoothing filtering; and S4, converting the smoothed curve of the backlight brightness along with the time change into a control signal of the backlight module, and sending the control signal to a backlight driving circuit in real time to realize the control of the backlight module. According to the method, the dynamic backlight brightness calculation model is established by fusing head motion data prediction and ambient light perception, so that the problem of'brightness lag 'caused by the fact that the head motion state of the user is not considered in traditional backlight control is solved, and the motion sickness risk caused by visual discomfort of the user is reduced.

The invention discloses an automatic tracking type naked eye stereoscopic display equipment system and method, and relates to the technical field of stereoscopic display equipment, and the method comprises the following steps: building a dynamic viewpoint tracking chain based on the continuous collection result of the eye movement of an audience, synchronously collecting the environment light intensity change information through a photosensitive sensing unit, and transmitting the environment light intensity change information to a display unit; generating a double-reference baseline containing audience position information and environment illumination information in the time sequence; time segmentation rearrangement is carried out on viewpoint drift caused by rapid movement of audiences by utilizing double reference baselines, and illumination abrupt change sections are independently marked and then written into a delay buffer zone. The stereoscopic display output rhythm is stabilized through the double reference baselines and the time control mechanism, left and right parallax signals are kept consistent under the condition that audiences move or illumination fluctuates, visual discomfort is reduced, and watching stability is improved. Meanwhile, light field balance and frame-by-frame connection modes are combined, smooth reconstruction of brightness and time sequence is achieved, abnormal impact is reduced, stable display operation is guaranteed, and the service life of equipment is prolonged.