22 results about "Visual Discomfort" patented technology

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.

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.

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 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 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.

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 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 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.

This application relates to the field of vehicles, and particularly to laminated glass, its manufacturing method, and vehicles. The laminated glass includes an outer glass plate, an inner glass plate, and an intermediate layer disposed between the outer and inner glass plates. The intermediate layer includes at least one nonlinear optical composite layer, each of which independently includes a polymer matrix and a nonlinear optical medium dispersed within the polymer matrix. The laminated glass of this application can maintain high light transmittance even in low light conditions without affecting driving activities. When encountering strong glare, it reduces light transmittance, protecting the driver from glare-induced blindness, blurred vision, or visual discomfort. After the strong glare disappears, it restores high light transmittance.

The invention discloses a motion state adaptive augmented reality picture anti-dizziness control method and system, and the method comprises the steps: obtaining an acceleration sequence and an angular velocity sequence outputted by an inertial measurement unit, and adding a sensing timestamp to the acceleration sequence and the angular velocity sequence; determining a current motion state based on the acceleration sequence and the angular velocity sequence and outputting state confidence; calculating a jitter risk index based on the energy distribution of the angular velocity sequence in combination with the state confidence; generating an image stabilization control parameter set based on the jitter risk index and the time delay estimation result, and determining a cutting budget; and determining compensation transformation for the current augmented reality rendering frame, and performing resampling and cutting on the augmented reality rendering frame by a two-dimensional graph acceleration unit on the display synthesis side according to the compensation transformation to generate an output frame and outputting the output frame to a display end for presentation. According to the technical scheme, artifacts caused by boundary cutting are restrained while the stability of the output picture is guaranteed, and therefore dizziness and visual discomfort in a motion scene are reduced.

The application provides a front-end pop-up window color determination method and system, equipment and medium, applied to interactive games, the front-end pop-up window is displayed on the main interface, the determination method comprises the following steps: determining a color sampling area in the main interface according to the display area of the front-end pop-up window; determining a target color according to the color of the color sampling area; determining the color of the front-end pop-up window according to the target color. The front-end pop-up window color determination method and system, equipment and medium of the application determine the color sampling area in the game main interface and sample the color, determine the target color and use it for the coloring of the front-end pop-up window, thereby keeping the front-end pop-up window and the main interface color dynamically adapted, making the content presented to the user more coordinated and consistent in overall color, which can reduce the visual discomfort or interference that may be caused to the user due to high color contrast without sacrificing the game experience, helping the user to concentrate on learning and practice, providing a healthy and efficient learning environment.

The invention relates to the technical field of sensory image rendering, and provides an anti-dizziness sensory image rendering method for VR simulated driving practice, which comprises the following steps: step 1, acquiring real-time image data of a VR simulated driving practice scene; step 2, dynamically suppressing a strong light area in the image based on a DSP technology, and enhancing details of a dark part; 3, capturing eyeball movement data of the user in real time, and obtaining a sight line direction and a movement track; 4, predicting the future view field demand of the user according to the sight line direction, and dynamically adjusting the image rendering range; and step 5, improving image definition and detail performance in the predicted high-attention area. Through multi-dimensional image optimization and accurate visual regulation and control, the dizziness in VR simulation driving practice is effectively relieved. Based on a strong light suppression and dark part enhancement algorithm of a DSP technology, image processing in a wide dynamic range is realized by dynamically adjusting a nonlinear brightness transformation function of a suppression coefficient, and visual discomfort caused by dazzling of strong light and loss of details of a dark part is avoided.

The application discloses a kind of self-adapting naked eye 3D display system and method based on physiological parameter real-time feedback, comprising: a naked eye 3D display panel, multiple display parameters thereof are configured to be dynamically adjustable;A multi-modal physiological monitoring module is integrated in the display system, for non-contact real-time acquisition of the physiological data of viewer, and the physiological data at least includes heart rate variability, blood pressure fluctuation and pupil dynamic parameter;A processing unit is configured to generate visual load index representing visual discomfort level based on the physiological data.The application can realize real-time sensing of the physiological state change caused by visual vergence adjustment conflict of viewer, and dynamically optimize display parameters according to individual differences, thereby significantly reducing visual fatigue and dizziness, improving the comfort and immersion experience of naked eye 3D viewing, and effectively solving the technical problems that existing naked eye 3D display technology cannot adapt to individual physiological differences due to the use of fixed parameter setting.