114 results about "Left eye" patented technology

The invention relates to the field of image processing, and discloses a fixation point determination method, system and product. The method comprises the following steps: acquiring a first binocular image acquired by an eye camera aiming at the eyes of a user under a visible light condition; predicting a first left eye sight line of the user according to a left eye image in the first binocular image, and predicting a first right eye sight line of the user according to a right eye image in the first binocular image; predicting a first synthetic sight line of the user according to the first binocular image; the first synthetic sight line is a sight line associated with a scene camera; the scene camera is used for collecting a scene in a visual field range of the user; and determining a fixation point of the user based on two of the first left-eye sight line, the first right-eye sight line and the first synthetic sight line. By adopting the method, the near-to-eye tracking precision can be ensured under the visible light condition, and the deployment cost of eye movement tracking equipment can be reduced.

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 relates to an AR glasses binocular calculation algorithm, which is applied to AR glasses provided with left and right light machines, an eye camera and a master control module, and comprises the following steps: S1, initialization and test image projection, after system initialization and ghost image displacement correction are completed, the left and right light machines respectively project binocular calibration images to the eye camera; S2, center calibration positioning, left and right eye field images are acquired through the eye camera, and left eye center coordinates and right eye center coordinates where the binocular calibration images in the left and right eye field images are respectively extracted through an image recognition algorithm; S3, binocular alignment deviation calculation, the position alignment deviation of the left and right eyes is calculated according to the left eye center coordinates and the right eye center coordinates acquired in step S2; S4, dynamic light machine position adjustment, taking the center coordinates of the eye camera as the reference, the left and right light machines are adjusted in the horizontal direction and the vertical direction; and S5, iterative optimization, steps S2-S4 are repeated until the binocular alignment or the maximum iteration number is reached.

The embodiment of the invention provides a sub-pixel offset optimization parallax calculation method, a sub-pixel offset optimization parallax calculation device and electronic equipment. The sub-pixel offset optimization parallax calculation method comprises the following steps: acquiring a binocular image; labeling a label of a target area of the binocular image based on a preset semantic segmentation network; based on the label, extracting visual features of the target area; establishing a matching relation of the target area according to the visual features; respectively calculating a first sub-pixel offset of a left eye image in the binocular image and a second sub-pixel offset of a right eye image in the binocular image according to the matching relationship of the target areas; and calculating the parallax of the binocular image according to the first sub-pixel offset and the second sub-pixel offset. According to the method, the target area is accurately marked by introducing the semantic segmentation network, and visual feature extraction and sub-pixel offset calculation are combined, so that the precision and robustness of binocular image parallax calculation are remarkably improved.

Arrangement of artificial adaptive intraocular lenses whose operating mode is based on binocular interaction and the accommodation-convergence reflex of the eyes, i. wherein all electrically activated adaptive intraocular lenses (8)(9)(10) comprise activation mechanisms and are operated without interaction between the left and right eye, characterized in that ii. the arrangement of the novel artificial adaptive intraocular lenses, whose operating mode is based on binocular interaction (11.3)(12.3)(5) and the accommodation-convergence reflex of the eyes, is characterized by the inclusion of a microchip, wherein a microchip is used for each intraocular lens of each eye, the microchip containing magnetic nanoparticles with electromagnetic properties and made of biocompatible, non-cytotoxic material (5.1)(3.1)(4.1), wherein a conductor connected to the microchip forms a closed loop (5.2)(3.2)(4.2), and wherein the change in the distance between the microchips of the artificial intraocular lenses of the right and left eye during the convergence movements (5.3)(11.2)(12.2) and divergence movements (5.3)(11.1)(12.1) changes both the strength and the phase of the electromagnetic field (5.4) between the two microchips (5.1)(3.1)(4.1) of the two artificial intraocular lenses, which interact with each other, wherein this change in the strength and phase of the electromagnetic field (5.4) causes the generation of an electric charge or voltage at the ends of the conductor (5.5)(3.3)(4.3), which leads to an electric current flow (5.6)(3.4)(4.4) through the closed loop of the conductor (5.2)(3.2)(4.2) due to the induced voltage and according to the principle of electromagnetic induction.

The invention provides a method for checking light leakage of a sun shield, which is used for effectively adjusting and optimally avoiding the conditions of upper light leakage or left light leakage of the sun shield, the sun shield, a ceiling boundary, an A column boundary and a front windshield black edge in the driving process of a driver and passengers. By taking the left limit point or the upper limit point of the left eye ellipse as a projection center, projecting a point on the sun shield onto the curved surface of the front windshield, projecting a point on the left A column onto the curved surface of the front windshield, and projecting a point on the ceiling onto the curved surface of the front windshield; and then processing the data. According to the method, the optimized result can be quantitatively presented, a model or an organizing person is not needed for review, and high efficiency and low cost are achieved.

Various implementations disclosed herein include devices, systems, and methods that uses a horizontal shift of left eye and right eye image content to control a stereo effect of the image content. For example, a process may include obtaining image data including images to be presented with a stereo effect at a virtual screen position within a three-dimensional (3D) viewing environment. The process may further obtain depth data corresponding to distances of elements of a scene depicted in the images. The process may further determine a horizontal positioning characteristic for presenting the images at the virtual screen with the stereo effect based on the depth data and a view of the images are presented with the stereo effect based on the horizontal positioning characteristic at the virtual screen within the 3D environment. The images may additionally be presented with a blur, a lighting, a fading, and / or a vignetting effect.

This application provides a method, apparatus, and device for left and right eye recognition. The method involves emitting a first signal at a first angle and a second signal at a second angle; receiving reflected signals, including a first reflected signal and a second reflected signal, where the first reflected signal is the signal reflected back from the first signal and the second reflected signal is the signal reflected back from the second signal; and determining whether the currently measured eye is the left or right eye based on the first and second reflected signals. Both the first and second signals are optical signals, or both are coded signals, where the coded signal is an optical signal carrying a code. Embodiments of this application can automatically identify the left and right eyes.

The application provides a multi-task driver line-of-sight estimation method and system for assisting safe driving. A plurality of driver images are obtained from a video sequence, face key feature points and a face region image of each driver image are extracted by a Dlib CNN method, eye region cropping and head posture extraction are performed on the face key feature points of each driver image, left eye region images, right eye region images and head postures of each driver image are obtained, a driver line-of-sight estimation network is constructed, the left eye region images, the right eye region images, the face region images and the head postures of each driver image are taken as inputs of the driver line-of-sight estimation network, estimated line-of-sight directions and estimated gaze region types of each driver image are obtained, real-time driver images are obtained and input into the driver line-of-sight estimation network, and estimated line-of-sight directions and estimated gaze region types of the real-time driver are obtained.

The invention relates to the technical field of optics, and discloses a display method, electronic equipment and a medium. In the display method provided by the invention, when the processor determines that the user interpupillary distance information is not in the standard interpupillary distance range, the DDIC is indicated to perform translation processing on the to-be-displayed image, and the corresponding display is controlled to display the corresponding image. For example, when the user interpupillary distance is larger than the standard interpupillary distance range, the DDIC is indicated to translate the to-be-displayed image corresponding to the left eye to the left, the display corresponding to the left eye is controlled to display the translated image corresponding to the left eye, and the to-be-displayed image corresponding to the right eye is translated to the right; and controlling the display corresponding to the right eye to display the translated to-be-displayed image corresponding to the right eye. Therefore, the watching requirements of users with different interpupillary distances can be met, the watching experience of the users is improved, in addition, the occupation of processor resources can be reduced by performing translation and other processing on the to-be-displayed image based on DDIC, and thus the power consumption of the processor is saved.

The present disclosure provides a near-eye display for augmented reality having a polygon-curved optical waveguide holographic coupler and a method of operating the same. In the present disclosure, the near-eye display for augmented reality comprises at least one source and a curved optical waveguide disposed in front of at least one of a user's right eye and left eye, which replicates light from the source by internally reflecting it through at least one of two ends and outputs the replicated light for at least one of the right eye and left eye, and the curved optical waveguide may be a polygon-curved optical waveguide having a plurality of planes disposed at points where the light is totally reflected.

The invention belongs to the technical field of fan gear box defect detection, and relates to a fan gear box defect real-time detection and three-dimensional measurement method and a related device. Comprising the following steps: acquiring a left eye image frame and a right eye image frame in the fan gearbox in real time to form an image sequence; performing defect detection on the image sequence, identifying a defect region in the image sequence and determining a defect category to obtain a defect detection result including the defect region and category information; based on the left eye image frame and the right eye image frame, reconstructing a three-dimensional surface point cloud of the gearbox by adopting a binocular stereoscopic vision algorithm; extracting three-dimensional point cloud data corresponding to the defect area from the three-dimensional surface point cloud according to a defect detection result; and based on the three-dimensional point cloud data corresponding to the defect area, carrying out quantitative measurement on defect size parameters. According to the invention, automatic and intelligent identification and high-precision three-dimensional quantitative analysis of internal defects of the fan gearbox are realized.

This application relates to the field of smart glasses technology, and discloses a light source detection method, device, equipment, and storage medium. The method is applied to smart glasses equipped with an image acquisition component, and includes: acquiring images of the user's left and right eyes using the image acquisition component; determining the brightness parameters of the user's left eye based on the left eye image, and determining the brightness parameters of the user's right eye based on the right eye image; and performing uniform illumination detection on the current light source based on the left and right eye brightness parameters to obtain a light source detection result. Because this application can acquire images of the user's eyes using the image acquisition component, it allows for direct detection of whether the light source provides uniform illumination based on the left and right eye brightness parameters determined from the eye images. This enables accurate identification of high-contrast lighting environments with significant differences in brightness between the left and right eyes, thereby improving the user's eye health.

The present disclosure relates to a data processing method, an apparatus, and an electronic device, which relates to the technical field of data processing. The method comprises: a VR device decodes received image data to obtain a planar image to be processed; first acquiring field of view information of a user; then generating, according to the field of view information and the planar image, a left eye image and a right eye image at a same timestamp; and displaying a virtual reality image according to the left eye image and the right eye image at the same timestamp. The present disclosure can reduce the amount of transmitted data by half, reduce the pressure on network bandwidth by half, reduce the situation of network congestion, and correspondingly reduce the transmission delay. The simplified processing procedures result in no problem of asynchronous transmission between the left eye and the right eye.

The invention relates to a method of processing data representative of a person's binocular motricity, the method comprising the following steps: —stimulating the binocular motricity of a person by means of a binocular motricity stimulation device (21) configured to specifically stimulate saccades, vergences or a combination of both or of a reading test (22); physical stimuli in 3D real space seen with both eyes naturally (without artifices); acquiring the movement of the right eye (RE) and left eye (LE) of a person (P) during said stimulation and, if applicable, a stimulation signal from the binocular motor stimulation device; the method comprising the following steps implemented in a processing unit (3); determination from the movement of the left eye (LE) and the right eye (RE), of an effective trajectory (Tr1) of the eyes in response to each stimulation, an effective trajectory corresponding to a saccade and / or a vergence movement of the eyes.

The application discloses a line-of-sight evaluation method and system for calibrating assistance, comprising the following steps: acquiring line-of-sight evaluation video frame data collected by a collection device; wherein the line-of-sight evaluation video frame data comprises dynamic data and static data; performing data segmentation on the line-of-sight evaluation video frame data to obtain left eye line-of-sight data, right eye line-of-sight data and face line-of-sight data; performing convolution operation on the left eye line-of-sight data, the right eye line-of-sight data and the face line-of-sight data respectively to extract features and calculate line-of-sight landing point coordinates; performing data cleaning on the line-of-sight landing point coordinates according to a preset multi-rule joint data cleaning method, calibrating the cleaned data through a convolutional neural network and a full connection layer to output a line-of-sight evaluation result. The application can obtain an accurate line-of-sight evaluation result.

Eyeglasses (20) for treating myopia comprise an eyeglasses frame (25) and first and second optical elements (22, 24) having a controllable optical phase distribution and mounted in the eyeglasses frame such that when a user wears the eyeglasses, the optical phase distribution of the first and second optical elements (22, 24) is controlled by the optical phase distribution of the first and second optical elements (22, 24). The first and second optical elements are positioned in respective lines of sight of the left and right eyes of the user. The eyewear further comprises a control circuit (26) configured to control an optical phase distribution of the first optical element and the second optical element, the first optical element and the second optical element are arranged so as to apply optical disturbances to light incident on the left eye and the right eye through respective peripheral regions (39) of the first optical element and the second optical element in a time alternation between the first optical element and the second optical element.

The invention relates to the technical field of brain wave scanning monitoring, in particular to a brain wave scanning user eyelid state recognition method and device, equipment and a storage medium. The method comprises the following steps: responding to brain wave scanning task triggering, and continuously obtaining a user face image; performing feature collection on the user face image to obtain an eyelid feature coordinate pair and a reference feature coordinate pair; determining a reference feature spacing value based on the reference feature coordinate pair, and determining an upper and lower eyelid spacing value of the current detection single eye based on the eyelid feature coordinate pair; combining the upper and lower eyelid spacing value with the reference feature spacing value to obtain a normalized spacing value corresponding to the current video frame; judging whether the normalized interval value is in a preset eye closing judgment interval in the continuous video frames or not, and if yes, determining that the current detected single eye is in an eyelid closing state; and when and only when both the left eye and the right eye of the user are in the eyelid closed state, judging that the user is in the eyelid closed state. The method can support self-service brain function detection in a non-professional environment.

The utility model relates to eye drying thermal therapy equipment which comprises a mirror frame, two lens sets, two heating assemblies and a bandage. The two lens groups are respectively mounted at positions, corresponding to the left eye and the right eye, on the glasses frame, each lens group and the glasses frame form a heating cavity, the two heating assemblies are mounted at the side parts of the two heating cavities in a one-to-one correspondence manner, and the bandages are mounted at the two sides of the glasses frame; the lens group comprises an inner lens and an outer lens, and graphene coatings are coated on one side, facing eyes, of the inner lens and one side, facing the front of the sight line, of the outer lens. The pair of glasses has the beneficial effects that fog on the lenses can be remarkably reduced, so that water vapor condensation caused by temperature difference is reduced, and the visual degree during wearing is improved. Moreover, the lens can be kept clean, and accumulation of bacteria and stains on the lens can be reduced.

The present invention enables accurate line-of-sight tracking to be supported. This display device is characterized by comprising: a display module including a display corresponding to the right eye of a wearer and a display module including a display corresponding to the left eye of the wearer; a first imaging device for imaging the right eye of the wearer and a first imaging device for imaging the left eye of the wearer; and a movement mechanism for moving, in accordance with the position of the right eye, the display module corresponding to the right eye together with the first imaging device for imaging the right eye, and independently of the display module corresponding to the right eye, moving, in accordance with the position of the left eye, the display module corresponding to the left eye together with the first imaging device for imaging the left eye.

An image correction method include providing a left eye image and a right eye image; providing a left eye gazing position and a right eye gazing position; dewarping the left eye image according to the left eye gazing position and dewarping the right eye image according to the right eye gazing position to acquire a dewarped left eye image and a dewarped right eye image; correcting a brightness of the dewarped left eye image according to the left eye gazing position and correcting a brightness of the dewarped right eye image according to the right eye gazing position; and 3D rendering the dewarped left eye image and the dewarped right eye image to acquire a stereoscopic left eye image and a stereoscopic right eye image.

This contrast evaluation method for an eyeglass lens includes: acquiring an eyeball model, created on the basis of a prescription of the eyeglass lens, and a contrast binocular addition model indicating a contrast recognized in binocular vision; acquiring coordinate information about a plurality of index points set in a three-dimensional space based on the midway point between the corneal apex of the left eye and the corneal apex of the right eye of the eyeball model; calculating a left eye contrast value and a right eye contrast value for each index point, by tracing a ray that reaches the retina of the eyeball model from the index point via the eyeglass lens, on the basis of the eyeball model and the coordinate information about the index points; and calculating a binocular addition contrast value for each index point on the basis of the calculated left eye contrast value and right eye contrast value and the contrast binocular addition model.

Provided is a binocular visual function system for evaluating binocular single vision. The system comprises: a line-of-sight guiding unit that directs line-of-sight directions of the left eye and the right eye of a subject in a second direction different from a first direction while fixing the head of the subject in the first direction; and a processing unit that presents images spatially separately to the left eye and the right eye of the subject the line-of-sight directions of which have been guided in the second direction by the line-of-sight guiding unit. The images has feature amounts as indices indicating visual characteristics. The feature amount of a left eye image, which is the image presented to the left eye, is different from the feature amount of a right eye image, which is the image presented to the right eye.

The invention discloses a non-contact blink detection method and system based on a video stream, and the method comprises the steps: 1, capturing an eye video image sequence of a user in real time, calculating the average gray value of the ROI of the left eye and the right eye in each frame of image, and forming a gray value data sequence of the left eye and the right eye; step 2, maintaining a data sequence in a sliding window with a fixed length L for the gray value data sequences of the left eye and the right eye; step 3, on the basis of the threshold parameter of the selected threshold mode, traversing the data sequence in the sliding window obtained in the step 2, determining an effective blink wave crest, and calculating the normalized depth of the effective blink wave crest; and 4, for the normalized decline depth of the effective blink wave crest calculated in the step 3, carrying out joint judgment by adopting a double-threshold mechanism so as to judge a blink event. The method solves the problems that a blink detection mode is extremely sensitive to the change of ambient light, so that misjudgment is easily caused, the ability of identifying the complete form of a blink signal is lacked, and the robustness is poor.

An automatic optical device comprises a structured light source configured to project a predetermined pattern, an optical split group, preferably a prism, configured to divide the pattern into a first pattern for a right eye and a second pattern for a left eye, a right mirror and a left mirror, arranged opposite the optical split group and respectively receiving the first and second pattern, a support configured to carry the optical split group, the right mirror, and the left mirror so as to define respective windows for framing, in use, the right and left eyes and the corresponding optical axes by means of an image acquisition unit and to capture an image of the right and left eyes while the corresponding first and second patterns are projected thereon.

The utility model discloses an ophthalmology nursing liquid dropping device, including mirror frame, lapping frame and liquid dropping pot, liquid dropping pot includes pot body and liquid dropping head, the outer surface wall of mirror frame is fixedly connected with the front frame, the outer surface wall of the front frame is in sliding connection with the sliding sleeve, the liquid dropping head passes through the sliding sleeve. According to the application, the glasses frame and the lapping frame are arranged in a profiling manner of a conventional glasses frame, the glasses frame and the lapping frame can be folded to be quickly combined with the head of a patient, the two groups of guide cards are respectively combined into the two groups of transparent interlayers, and then the liquid dropping tank penetrates through the sliding sleeve and is fixed through the locking rod; the sliding sleeve is moved to enable the liquid dropping head to be aligned with the left eye of a patient, the guiding card guiding the eyes of the patient to look towards the right side is arranged, the tank body is squeezed to achieve liquid dropping operation, in the same way, liquid dropping of the right eye can be completed in a corresponding mode, and therefore it is guaranteed that the position of the liquid dropping tank can be switched conveniently and accurately while the collision feeling caused by the fact that the patient directly looks at eye drops is avoided.

1. Name of the design product: Creative big-eye clock. 2. Use of the design product: for displaying time, left eye and right eye respectively represent hour hand and minute hand. 3. Design points of the design product: in the combination of shape and pattern. 4. Picture or photo best indicating the design points: perspective view.

A tapered dynamic out-of-focus lens comprises a first group of lenses and a second group of lenses, the first group of lenses and the second group of lenses comprise left lenses and right lenses, and the left lenses and the right lenses of the first group of lenses and the second group of lenses comprise lens substrates. A circular central optical area at the circle center, an annular defocusing area at the periphery of the central optical area and an annular edge area at the periphery of the defocusing area are arranged on the lens base body. Dynamic defocus intervention is realized by periodically and alternately wearing the first pair of glasses and the second pair of glasses, so that retinal cells periodically and alternately receive defocus stimulation and alternately rest and recover within a set time, and the problem that the myopia prevention and control efficacy is greatly weakened on the premise that human eyes have self-adaptability is effectively solved.

The utility model belongs to the technical field of optical devices, more particularly to a kind of lens group and glasses, the lens group includes: first lens, for left eye, be provided with a plurality of first preset area on the first lens;Second lens, for right eye, be provided with a plurality of second preset area on the second lens;When first lens and second lens coincide, the edge of the projection of first preset area in preset direction to preset surface, with the edge of the projection of second preset area in preset direction to preset surface, meet or have interval;First preset area and second preset area are shadow area with luminousness, or first preset area and second preset area are provided with microlens, when image is imaged in human eye by first lens and second lens, different regions of image have different contrast.

This application provides an eye-tracking method, apparatus, device, and storage medium for a near-eye display device. The near-eye display device includes a first optical waveguide, a second optical waveguide, a first light source, a second light source, and a camera. The camera is located between the first and second optical waveguides in a preset direction. The method includes: controlling the first light source to provide a first light to the user's left eye with first light source parameters; controlling the second light source to provide a second light to the user's right eye with second light source parameters; the second light source parameters are different from the first light source parameters; acquiring an eye image sequence through the camera; the eye image sequence includes multiple frames of eye images within a preset time period; and performing eye tracking on the user's left and right eyes respectively based on the eye image sequence to obtain first eye movement information corresponding to the user's left eye and second eye movement information corresponding to the user's right eye. This reduces the power consumption and structural complexity of the near-eye display device while improving the convenience of eye tracking.