287 results about "Eye position" patented technology

A system includes a tracker, an autostereoscopic display, and at least one processor. The at least one processor is configured to track an eye position of a given eye of a given user relative to an image plane of the autostereoscopic display, using the tracker. The at least one processor is further configured to detect when the eye position of given eye is no longer trackable by the tracker. When the eye position is no longer trackable, the at least one processor is configured to generate or retrieve an image for display to the given eye, increment a tracking counter, map a value of the tracking counter to a transition level, and perform at least one of modifying pixel intensity values of the image based on the transition level to fade out the image, or interpolating a virtual depth in the image based on transition level, and display the image.

The invention discloses a data processing and interaction control system based on dynamic eye position tracking, and particularly relates to the technical field of man-machine interaction and eye movement tracking, which comprises an image acquisition module, a data processing module, an interaction control module and an equipment interface module. The image acquisition module controls a near-infrared camera to capture an eye video; the data processing module executes dynamic calibration, triggers calibration points based on a historical gaze point distribution sparse region, updates a sight line mapping model online by adopting a recursive least square method, and recognizes an interaction intention through a state machine in combination with a gaze point sequence and an eye movement event mode; the interaction control module carries out logic binding on the eye movement intention and signals such as head postures, gestures and voice, and a composite control instruction is generated through complementary fusion, concurrent binding and conflict arbitration; and the device interface module standardizes the instruction and then outputs the instruction to the controlled device. The system realizes non-intrusive dynamic calibration, effectively improves tracking precision and interaction robustness, and is suitable for a multi-modal fusion control scene.

The invention discloses a pseudo 3D display method and system based on eye movement tracking and affine transformation, particularly relates to the technical field of display and man-machine interaction, and comprises the steps of 3D model preprocessing, real-time eye movement tracking, view angle parameter calculation, dynamic projection generation, affine transformation correction, display image adjustment and dynamic pseudo 3D display effect realization. The pseudo 3D effect that the visual angle is dynamically adjusted along with the eye position of the user can be achieved through a common 2D screen, special 3D display equipment is not needed, pixel-level perspective correction is achieved, the depth perception of a pseudo 3D image observed by the user is closer to a real three-dimensional space, the visual immersion and interaction naturalness are effectively improved, and the user experience is improved. The core problems that traditional pseudo 3D depth perception is fuzzy and distortion is easily generated due to view angle deviation are solved, the user immersion and interaction naturalness are remarkably improved, and the method can be widely applied to scenes such as virtual social contact, vehicle-mounted HMI, telemedicine and education simulation.

The invention provides a fatigue screening method based on critical flash fusion frequency and multi-modal eye features, and the method comprises the steps: processing an eye response image set, extracting the diameter of a pupil, and forming reference eye position data; and finally generating a user fatigue value representing the fatigue sensitivity of the user in combination with a CFF critical value model. In the normal driving process, the system continues to collect a current monitoring image through flickering irradiation of the light source, and monitoring eye position data are extracted from the current monitoring image. And comparing the monitored eye position data with a previously generated user fatigue value, if the monitored eye position data exceeds the user fatigue value, considering that the driver is possibly in a fatigue state, generating a fatigue signal by the system, and triggering a corresponding early warning mechanism. In combination with flicker frequency induced visual perception change and eye feature analysis, the limitation of only depending on eye movement or CFF is broken through, and the detection precision of central fatigue is improved. The method is completed through light source and image acquisition and is suitable for continuous fatigue monitoring in the actual driving process.

The invention provides a vehicle rearview mirror adjusting method and electronic equipment, and the method comprises the steps: obtaining the eye position of a driver in a vehicle, and determining the target angle of a rearview mirror in the vehicle according to the eye position, thereby achieving the self-adaptive adjustment of the rearview mirror based on the eye position of the driver, enabling the rearview mirror to provide a proper visual field for the driver, and improving the user experience. Individual difference requirements of drivers are met, then driving information of the vehicle is obtained, the target angle is adjusted according to the driving information, the rearview mirror is adjusted through the adjusted target angle, rearview mirror adjustment based on the driving state of the vehicle is achieved, the view provided by the rearview mirror can further meet the requirements of the vehicle in the driving state, and the driving safety of the vehicle is improved. Therefore, the rearview mirror can provide a visual field better meeting the requirements of a driver, the driving safety of a vehicle is guaranteed, and the problems that in the prior art, the manual adjustment efficiency of the rearview mirror is low, adjustment is inaccurate, and safety risks are likely to be caused are solved.

A method for robust adaptation of a device that is automatically trackable to a varying eye position of a user of the device for use in a vehicle, the method including ascertaining a current change in the eye position of the user, returning to ascertaining a change in the eye position if at least one of predetermined ignoring criteria that classifies the currently ascertained change as irrelevant is satisfied and none of predetermined exceptional circumstances that classify tracking as necessary is satisfied, and tracking the device according to the currently ascertained change in the eye position if none of the predetermined ignoring criteria is satisfied or if at least one of the predetermined exceptional circumstances is satisfied.

The invention is related a method and a remote eye tracking system for determining a position of at least one eye of a subject. The method comprises the steps of: illuminating a face of a subject using at least one infrared (IR) illuminator off-axis from at least one image sensor; capturing at least one image of the face using the at least one image sensor at a time instant; and using a processing circuitry of the remote eye tracking system, performing processing steps of: determining at least one pupil candidate associated with the at least one image; determining at least one glint candidate associated with the at least one image; determining at least one pupil-glint candidate group, comprising at least one pupil candidate and at least one corresponding glint candidate; generating a score value for each of the at least one pupil-glint candidate groups; and determining an eye position of at least one eye of the subject in the at least one image based on the pupil-glint candidate group with the highest score value.

The invention provides a display screen adjusting method and a vehicle, and relates to the technical field of display, and the display screen adjusting method comprises the steps: obtaining the eye position of a user, and the illumination intensity and incident direction vector of incident light of a display screen; determining a reflection direction vector of reflected light corresponding to the incident light based on the incident direction vector of the incident light; and determining an included angle between a reflection direction vector and human eyes based on the reflection direction vector of the reflected light and the position of the human eyes of the user, judging whether a dazzling risk exists or not according to the illumination intensity and the included angle, and adjusting a display screen under the condition that the dazzling risk exists. According to the method, the illumination intensity and the direction vector of the incident light and the human eye position of the passenger are analyzed at the same time, the dazzling risk is actively recognized and responded, and therefore the screen brightness and the contrast ratio can be correspondingly adjusted under the condition that the illumination condition changes or strong light is reflected, and it is ensured that the display content is always clear and visible.

This invention discloses an interactive method and system for automotive taillights with anti-glare and active warning functions. Addressing the problem that single-dimensional dimming based solely on ambient illuminance is insufficient to simultaneously address glare from following vehicles and glare caused by sudden brightness spikes from brake lights, this invention detects the relative distance, relative azimuth angle, and visibility of the following vehicle to determine the driver's eye position area. Based on the inverse square ratio, cosine incidence, and propagation transmission triple attenuation, the current luminous intensity of the taillight is converted into an estimated eye position illuminance. When the estimated eye position illuminance is not less than a first preset threshold, the luminous intensity is reduced without falling below a second preset threshold. During brake light spikes, the rate of increase in estimated eye position illuminance is limited to a third preset threshold to suppress transient glare. Based on the calculated collision time, a rear-end collision warning is output when it is not greater than a fourth preset threshold. This unified illuminance measurement supports both anti-glare and warning functions, achieving a balance between anti-glare and driving safety without the need for a neural network.

The invention relates to a method for adjusting a display area of ​​a display unit (110) of a vehicle (100), wherein a detection unit (120) detects an eye position of a driver and a size and / or position of the display area is adjusted based on the eye position, wherein - the playback area is divided into a driver playback area (111) and a passenger playback area (112), the passenger playback area (112) being equipped with a privacy technology which makes it difficult for the driver to recognize content displayed on the passenger playback area (112) depending on the angle, - the detection unit (120) captures a view angle of the driver during a journey - then, when the driver looks at the passenger playback area (112), an edge (113) of the passenger playback area (112) facing the driver is shifted away from the driver by reducing the width or the overall size of the passenger playback area (112) so that the driver's view of the passenger playback area (112) is at least partially reduced and - then, when the driver no longer looks at the passenger playback area (112), it is returned to its original state.

The utility model relates to the field of blasting construction technology especially relates to a blast hole arrangement positioning device, including the light shield, the projection box, the light source and the power supply component for the device power supply, the projection box is the box structure of one side opening, the projection box opening place is provided with the clamping component, the light source sets up in the projection box inside and sets up towards the opening place, the light shield is through the clamping component and blocks the opening of projection box, the light shield is provided with the same blast hole position proportion hole eye on, according to different blasting design, according to the proportion of blast hole position design, the eye is drilled on the light shield, infrared laser can be penetrated through the hole eye position and be projected on the working face needing construction, realizes the one -time accurate positioning of design blast hole, improves the construction efficiency of worker. Through setting up the clamping component, can according to different construction demand, replace the light shield at any time, convenient and fast, further improves the construction efficiency.

To suppress deterioration in image quality according to the position of an observer eye.SOLUTION: The head-mounted display apparatus includes: a detection unit for detecting the position of eyes of a user; an eyepiece lens; a first display panel for displaying a first image; a second display panel disposed closer to the eyepiece lens than the first display panel for displaying a second image; and a control unit for moving at least one of the first image and the second image on the basis of a change in the eye position detected by the detection unit.SELECTED DRAWING: Figure 1

The utility model relates to the technical field of clothes, and provides a hat connecting structure and clothes, the hat connecting structure and the clothes are integrally connected, the hat connecting structure comprises a left hat piece, a right hat piece, a middle piece and a front piece, and the left hat piece is provided with a first opening at the eye position; a second opening is formed in the eye position of the right cap piece; the middle piece is connected between the left cap piece and the right cap piece, and one end of the middle piece is connected with a neck or a collar of the garment; the front piece is connected between the left cap piece and the right cap piece, and the front piece, the middle piece, the first opening and the second opening are connected and enclosed to form an eye opening; the front piece is arranged at the neck position of the garment. A full-wrapping cap connecting structure is formed by sewing a plurality of pieces, so that the protection performance and all-around wrapping on the head and the neck are achieved, the good windproof and sun-proof effects are achieved, meanwhile, the breathability is enhanced, the oppressed feeling is reduced, and the wearing comfort is improved.

A display controlling device including an image acquiring unit that acquires an image of periphery of a vehicle; a viewpoint position acquiring unit that acquires information related to eye position of an occupant; a horizontal display region setting unit that sets a horizontal display region on a horizontal reference plane parallel to the ground in real space in the input image; a vertical display region setting unit that sets a vertical display region in a vertical reference plane extending in a direction perpendicular to the ground in the input image; a ground projection range applicable rate calculating unit that calculates a ground projection range applicable rate; and a display processing unit that displays the output image on the display unit by associating the coordinates of the input image with the coordinates of the output image displayed on the display unit based on the ground projection range applicable rate.

According to an embodiment of the disclosure, a media content rendering method may be provided. The method may include determining a plurality of eye attributes of a user, based on eye position for each of a left eye and a right eye. The method may include identifying eye movement for each of the left eye and right eye, based on the plurality of eye attributes. The method may include determining a constraint for a movement of each of the left eye and right eye, based on the eye movement. The method may include determining a binocular field-of-view (FOV) of the user, based on the constraint for each of the left eye and right eye. The method may include determining transformation values, based on the binocular FOV of the user. The method may include providing a transformed media content based on the transformation values to render the transformed media content.

The application belongs to the technical field of attention monitoring, and discloses an attention monitoring method, device, equipment and storage medium. The method comprises the following steps: when the use time length of a user is greater than a preset time length, collecting a face video of the user in a preset time period through a head-mounted device, and obtaining a face image in the face video; determining an eye position in the face image, and extracting eye information in the face image according to the eye position; determining eye opening and closing information of the user in the preset time period according to the eye information, and determining gaze information of the user in the preset time period; determining an attention monitoring result of the user based on the eye opening and closing information and the gaze information, and taking an intervention measure according to the attention monitoring result. In the above manner, an intervention measure can be taken in time when it is monitored that the user has attention dispersion.

The invention provides a climbing mechanism structure for an operator to operate in a standing position, comprising a support, a first slide rail set, a second slide rail set, a first pedal, a second pedal, a first handle, a second handle, and a transmission unit, characterized in that the first slide rail set and the second slide rail set are arranged side by side on the support, the first slide rail set has a first top end, the second slide rail set has a second top end, and the first top end and the second top end are both lower than an eye position of the operator in the height direction. In this way, the operator's line of sight is not blocked by the first slide rail set and the second slide rail set.

The application discloses an eye movement detection method and system and a storage medium, which are applied to eye movement measurement requiring a subject to gaze at a visual target, and relate to the biomedical field, in particular to the technical field of eye movement detection. The eye movement detection method comprises the following steps: acquiring head posture data of the subject; determining a compensation amount of the visual target according to the head posture data, wherein the compensation amount comprises a compensation displacement amount and / or a compensation rotation amount; updating a display position and / or an orientation of the visual target according to the compensation amount of the visual target, so that a direction in which a center of an eyeball of the subject points to the visual target is consistent with a direction in which the center of the eyeball of the subject points to the visual target in a preset reference state; collecting eye image data of the subject during presentation of the visual target; determining at least one eye movement parameter based on the eye image data; and outputting an eye movement measurement result of the subject based on the head posture data and the eye movement parameter. According to the scheme, the influence of non-target eye position adjustment of the subject on the eye movement measurement result caused by the subject for maintaining the gaze is reduced, and the accuracy of the eye movement measurement is improved.

The invention relates to an exception handling circuit and exception handling method for clock data recovery. According to the method and the device, the data sender can be supported to implement data scrambling with direct current balance as a target on the target data to be transmitted, so that the data receiver can receive scrambled data with a direct current balance characteristic through a physical channel. On the basis, periodic samples of sampled data obtained by sampling the scrambled data by a data receiver can be obtained, and when it is judged that a sampling clock phase of the scrambled data is locked at a false eye position in an eye pattern of the scrambled data according to periodic direct-current unbalance deviation of a plurality of continuous periodic samples, the scrambled data is locked at the false eye position in the eye pattern of the scrambled data. According to the method, the phase of the sampling clock can be separated from the false eye position by implementing unlocking phase adjustment on the phase of the sampling clock, so that the dynamic calibration of the phase of the sampling clock can be recovered in time, and the failure risk of clock data recovery can be reduced.

A head-mounted display may include a display system and an optical system in a housing. The display system may have displays that produce images. Positioners may be used to move the displays relative to the eye positions of a user's eyes. An adjustable optical system may include tunable lenses such as tunable cylindrical liquid crystal lenses. The displays may be viewed through the lenses when the user's eyes are at the eye positions. A sensor may be incorporated into the head-mounted display to measure refractive errors in the user's eyes. The sensor may include waveguides and volume holograms, and a camera for gathering light that has reflected from the retinas of the user's eyes. Viewing comfort may be enhanced by adjusting display positions relative to the eye positions and / or by adjusting lens settings based on the content being presented on the display and / or measured refractive errors.

The invention discloses a dynamic compensation method and system for guiding lamplight in the manual landing process of a shipborne aircraft, and belongs to the field of shipborne aircraft guiding lamplight compensation. The problems that in an existing lamplight compensation method, adaptability to complex motion of a ship is insufficient, the dynamic relative position relation between the pilot eye position and a guiding lamplight coordinate system is not fully considered, and compensation precision is low in different stable states are solved. The method comprises: defining a coordinate system; ship motion parameters are obtained in real time; based on the coordinate system and the ship motion parameters, calculating the coordinate of the pilot eye position under the guide lamp coordinate system; calculating the coordinate of the focus of the Fresnel lamp in the guide lamp coordinate system; determining a height error, a transverse error and a pitch angle based on the pilot eye position coordinate and the light focus coordinate; executing longitudinal compensation and transverse compensation; and dynamically adjusting the guide light based on the compensated light control angle. The method is mainly used for guiding lamplight to accurately counteract ship swing in real time.

The invention discloses a three-section zoom head-up display light path system. The light path system comprises an image generation unit, a free-form surface reflector and a zoom path optimization module, the image generation unit is used for generating an image light beam, and the image light beam is reflected by the free-form surface reflector and then is reflected to the eye position of a driver through a windshield to form a virtual image; the free-form surface reflector supports imaging of different virtual image distances according to preset multi-section surface type parameters; the zoom path optimization module controls the distance change between the image generation unit and the free-form surface reflector according to the vehicle speed information, adjusts the virtual image distance, and achieves three-section zoom display. The invention further discloses a vehicle-mounted head-up display device and / or a motor vehicle comprising the light path system. The invention further discloses a three-section type zooming head-up display light path regulation and control method which has wide application value.

The embodiment of the invention provides a quality control method for an eye fundus image, and the method comprises the steps: firstly, recognizing a region of interest in a target eye fundus image; secondly, extracting eye features and image features from the region of interest; and finally, based on a preset scoring rule and a preset weight, performing weighting processing on a scoring result corresponding to the eye feature and a scoring result corresponding to the image feature, and generating an image quality score. According to the embodiment of the invention, the eye position judgment result, the eye type judgment result, the average definition, the average exposure and the image resolution judgment result of the region of interest are combined for evaluating the quality of the eye fundus image; therefore, the quality of the eye fundus image can be evaluated more comprehensively and accurately; in addition, according to the embodiment, the image feature scoring result and the eye feature scoring result are weighted, so that the eye fundus image can be evaluated in a targeted manner in combination with the characteristics of the eye fundus, the fineness of quality evaluation of the eye fundus image is improved, and later detection of eye fundus diseases is facilitated.

The invention discloses a highway cutting slope photovoltaic panel anti-dazzle belt setting method and device. The method comprises the steps that a plane where a slope toe of a road slope is located serves as a reference plane, eye positions of a driver during driving serve as original points, and the geometrical relationship among the driver, the road, an anti-dazzle zone and the slope is constructed; constructing an equivalent visual field cone formed by the original point and the anti-dazzle visual angle threshold value of the vehicle; the vision field range of a driver during driving is within the equivalent vision field cone; the highway cutting slope is equivalent to a triangular prism; based on the geometrical relationship, solving a section curve at the intersection of the visual field cone and the triangular prism inclined plane, and respectively obtaining a first intersection point of the section curve and the slope top and a second intersection point of the section curve and the slope bottom; based on the original point, the first intersection point, the second intersection point and the geometrical relationship, the effective anti-dazzle interval of the anti-dazzle belt in the vertical direction and the effective length of the anti-dazzle belt in the driving direction are determined. According to the method, the determined anti-dazzle belt can relieve the visual impact of the photovoltaic panel on a driver, and the driving safety is ensured.

The utility model provides a cap-connected neck protection pillow which comprises a neck pillow body and a cap body, and the cap body is connected with the neck pillow body. Wherein the cap body is provided with an eyeshade corresponding to the eyes of a user, the two ends of the eyeshade are connected with the cap body, and the lower edge of the eyeshade is provided with a structure conforming to the outline of the nose of the user. According to the neck protection pillow connected with the cap, the cap body can cover the head, the back face of the neck and the side face of the neck of a user, the neck can be prevented from being sunburnt by dazzling sunlight, the eyeshade can better conform to the face of the user, the eyes can be effectively shielded, the eyes are prevented from being stimulated by the sunlight, and through cooperation of the neck pillow, the cap body and the eyeshade, the user can feel more comfortable. When a user wears the hat, sun shading and sun blocking can be effectively achieved, the better shading effect is provided, the comfort requirement of the user in the journey is met, and the sleep quality is improved.

The invention relates to the technical field of intelligent automobile driving, and discloses a method, device, equipment and medium for preventing a marker from being shielded, and the method comprises the steps: obtaining an environment image of a vehicle in a real environment, and determining the marker coordinates of the marker in the environment image; eye position coordinates of a driver are obtained, and the relative coordinate position of the marker in the sight line plane of the driver is determined based on the marker coordinates; and based on the relative coordinate position, judging the shielding condition of the marker and the head-up display image, and adjusting the head-up display image according to the shielding condition, so that the marker and the head-up display image are not shielded. According to the technical scheme provided by the invention, the sight overlapping can be avoided while the driver can quickly and accurately obtain the key information.

A stereoscopic image display device includes a display panel configured to display an image and an optical member that refracts image display light emitted in the display area of the display panel, outputting it as stereoscopic image display light. A plurality of image sensors arranged in the display area capture front-side image data. A main driver circuit analyzes the front-side image data to track a user's location and / or the user's right and left eye positions and controls pixels in the display area to display right-eye and left-eye image data. The main driver circuit further adjusts the viewing points of the right-eye and left-eye image data based on the tracked user's location and / or eye positions and drives the pixels to display a stereoscopic image aligned with the adjusted viewing points.

The application provides a blind area collision warning method and system, which screens a high-risk moving target set from a moving target set detected by a vehicle-mounted environment perception sensor according to a preset detection range; when there is a first high-risk moving target for a vehicle in the high-risk moving target set, a blind area range relative to the vehicle is calculated according to the eye position of the driver of the vehicle; when there is a second high-risk moving target in the blind area range, whether there is an intersection point is determined according to the moving trajectories of the two high-risk moving targets, and a warning is given to the outside of the vehicle when the intersection point exists. The application calculates the moving trajectories of the high-risk moving targets and determines whether there is an intersection point in the blind area range, thereby providing a blind area reminder between other road participants, reducing traffic accidents caused by the vehicle, and improving road safety.

This application discloses a vehicle A-pillar blind spot display system and method. It acquires a real-time image of the driver's front view from inside the vehicle using an in-vehicle binocular camera, and a data processing module performs eye recognition and positioning on the driver's front view to achieve real-time eye position acquisition. It also acquires real-time images of the outside environment using an external camera, and the data processing module, combined with wide-angle perspective transformation technology, adaptively crops and adjusts the images based on eye positioning. This allows for the acquisition of the A-pillar blind spot image inside the vehicle, where the external image is obscured by the A-pillar. The A-pillar display screen then displays this blind spot image in real-time, achieving complete integration of the blind spot image inside the vehicle with the external scenery.