337 results about "Human eye" patented technology

An eyepiece device configured to display an image to an eye is provided. The eyepiece device includes a waveguide, an indentation layer, and a projection module. The waveguide has a first surface, a second surface opposite to the first surface, an input coupler located at the second surface, and an output coupler located at the second surface. The indentation layer is disposed on the first surface and has a third surface facing away from the waveguide, wherein the third surface has a plurality of indentations configured to scatter an ambient light incident thereon, so as to reduce interference with a user's perception of the image. The projection module is configured to project an image beam to the input coupler, wherein the image beam travels in the waveguide and is then transmitted to the eye through the output coupler. A waveguide module is also provided.

The invention discloses an automatic focusing method and device, computer equipment and a computer readable storage medium, and relates to the technical field of focusing. The method comprises the following steps: performing multi-target tracking detection on a preview image frame to obtain a face frame set, a human eye frame set and a multi-target tracking parameter; performing scale measurement aperture unification on the face frame set and the eye frame set to obtain a target face frame width and a target eye frame width; calculating a human face available threshold value and a human eye available threshold value; determining a depth-of-field coverage judgment result of the focusing target according to a depth map corresponding to the preview image frame; and according to the target face frame width, the target eye frame width, the multi-target tracking parameter after smoothing normalization, the depth-of-field coverage judgment result, the face available threshold and the eye available threshold, determining a focusing strategy to perform focusing switching. Therefore, the stability of the exported picture, the accurate focus and the smooth switching are ensured through automatic focusing.

The application discloses an optical device, a laser lighting device and a vehicle, and belongs to the technical field of lasers, and comprises a fluorescent powder sheet, a reflector and a lens; the fluorescent powder sheet, the reflector and the lens are coaxially arranged along a transmission direction of a laser beam; a side of the lens facing the fluorescent powder sheet is provided with a groove, the reflector is arranged at the bottom of the groove, and the fluorescent powder sheet is arranged at a notch position of the groove; the direction of a light-receiving surface of the fluorescent powder sheet and the direction of a light-reflecting surface of the reflector are opposite to the transmission direction of the laser beam; the fluorescent powder sheet is used for emitting excited light under irradiation of the laser beam; the reflector is used for reflecting the laser beam or the excited light through the light-reflecting surface; and the lens is used for changing the direction of the excited light to form a high-beam lighting spot or a low-beam lighting spot. When the fluorescent powder sheet is broken or falls off, the laser beam is directly irradiated on the light-reflecting surface of the reflector, direct irradiation of the laser beam out of the lens to cause harm to human eyes can be avoided, and the use safety of the optical device is improved.

The application belongs to the technical field of lighting, and provides a glare-proof lamp and a control method thereof, wherein the glare-proof lamp comprises a lamp panel, a light reflection cup, a heat dissipation shell and a glare-proof cover; the lamp panel is installed at the bottom of the heat dissipation shell; the entrance end of the light reflection cup abuts against the lamp panel, and the lamp beads on the lamp panel are covered in the light reflection cup; the exit end of the light reflection cup is connected with the entrance end of the glare-proof cover; the entrance end of the light reflection cup is smaller than the exit end; the exit end of the light reflection cup is smaller than the entrance end of the glare-proof cover, so as to block the light emitted by the lamp panel within the range of 0-60 degrees of glare angle. The application controls the range of glare angle through the light reflection cup and the glare-proof cover, can block the range of the light entering the human eye, thereby reducing the glare, improving the glare-proof effect, and solving the technical problem of the relatively poor glare-proof effect caused by the fact that the glare-proof of the lamp in the prior art only depends on the front cover of the lamp.

This invention relates to the interdisciplinary field of assisted reproductive technology and artificial intelligence, specifically to a system and method for constructing an embryonic developmental trajectory map that integrates morphological features. By deeply integrating static morphological features with dynamic morphodynamic parameters, a more comprehensive panoramic map of embryonic development with richer information dimensions is constructed, overcoming the one-sidedness of single-dimensional assessment. Automated analysis of the map using an AI model reduces the influence of subjective human factors, enabling the discovery of subtle developmental patterns and potential differences that are difficult to discern with the human eye, significantly improving the accuracy of selecting high-quality embryos. The provided developmental trajectory map allows embryologists to intuitively examine the entire developmental process of the embryo and the performance of each key node, enhancing the interpretability and credibility of the assessment process. Through more scientific embryo selection, it is expected to improve embryo implantation and clinical pregnancy rates, and reduce multiple pregnancy and miscarriage rates.

The present application provides a human eye simulation camera, comprising a corneal lens, a simulated iris, and a photosensitive element which are sequentially arranged along a photosensitive path, and a filter medium for infrared cut-off is provided on the photosensitive path between the surface of the corneal lens facing away from the simulated iris and the photosensitive element. In this way, the human eye simulation camera provided by the present application, by providing the filter medium, can eliminate unnecessary infrared light reflection, thereby improving the recognition accuracy of an eye movement algorithm.

Method for verifying the currency of an image (1) of a vehicle environment (2) of a motor vehicle (3), comprising the steps: a) Generating the image (1) by means of an optical sensor unit (4) of the motor vehicle (3); b) Inserting a digital stamp (5) into the image (1) using the optical sensor unit (4), wherein the stamp (5) is inserted according to a time-dependent rule, wherein - the time-dependent rule specifies which pixel (15) of the image (1) is to be replaced by one or more pixels (15), - a color of the replacement pixel (15) or replacement pixels (15) is specified, - the incorporated stamp (5) of the image (1) is not recognizable to a user when the image (1) is displayed on a display unit (7), and - the stamp (5) used is small and / or has insufficient contrast for human perception; c) Transferring the image (1) with the stamp (5) from the optical sensor unit (4) to a receiving unit (6) of the motor vehicle (3); d) Checking the currency of the stamp (5) of the transmitted image (1) using the time-dependent rule by means of the receiving unit (6), wherein a time signal is generated by a central timer unit (8) of the motor vehicle (3) and is received by the optical sensor unit (4) and the receiving unit (6), wherein the time-dependent rule depends on the generated time signal.

This invention proposes a non-contact in-vehicle alcohol screening device and system. It includes a transmitting module, a receiving module, a main control and power module, a housing, and a light-shielding structure. The alcohol screening device is connected to a remote management platform. The device also includes a communication module for sending test results, test time, and device identification information to the remote management platform. The transmitting module uses dual Class 1 low-power lasers, combined with real-time current monitoring and a self-locking switch in the main control module, providing triple protection for human safety through light source, circuitry, and mechanical operation. This ensures that even direct laser light into the eyes is harmless, meeting the safety and compliance requirements of law enforcement scenarios. The receiving module is equipped with a bandpass filter with a corresponding center frequency to effectively suppress ambient stray light and circuit noise. Simultaneously, the dual-wavelength differential design, through the ratio calculated by the main control module, jointly cancels common interferences such as water vapor and window reflections, significantly improving the reliability of the screening signal in complex environments.

An Artificial Intelligence Gaze Interface Sensor (AI GIS) system and method for precisely tracking human gaze on a digital or projected view plane without head-mounted hardware. A context camera detects a user's face and matches it against stored biometric profiles using AI facial recognition, automatically loading personalized eye geometry, inter-pupillary distance and gaze calibration data. A conditional activation controller initializes a second Peregrine Foveal Camera (PFC), modeled after the dual-fovea retina of the Falco peregrinus, only upon confirmed eye detection. An AI algorithm triggers visual effects, hidden content, animations, gaze-based engagements and semantically mapped audio on the digital or projected plane based on gaze coordinate outputs, from a dedicated computational pipeline, correlated to the digital or projected plane. This invention serves as the sensing layer for U.S. application Ser. No. 18 / 395,290.

Rodeo and / or equestrian event competition timing systems and associated devices and methods are disclosed. The competition may be an equestrian or rodeo event, including livestock riding and roping including break-away roping. Methods, devices and systems for timing such events are provided. Methods replacing manual and human-eye based event timing for at least one of event starting, event stopping, or both, with automated methods are explained.

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.

This application provides a focusing method and electronic device based on human eye gaze recognition. The focusing method based on human eye gaze recognition is applied to electronic devices with shooting capabilities, such as mobile phones and cameras. By implementing this method, during the shooting process, the electronic device can identify the user's eye gaze point, determine the subject corresponding to the gaze point as the focus, and perform automatic focusing, thereby providing the user with a more user-friendly autofocus service and improving the user experience.

The application discloses a laser and target debugging device with self-reference light and a debugging method thereof. The application comprises a seed source, a stretcher, a first amplifier, a first pump source, a menu system, a second amplifier, a second pump source, a compressor, a reference light loop, a reference light switch and a three-phase switch. The application does not need to place reference light externally, is more economical, and has the same quality of the main laser beam, including the same spot size, divergence angle and wavelength, which can accurately replace the original laser for subsequent target system debugging, and the debugging result is equivalent to that of the main laser. The addition of the reference light switch increases the use safety and avoids accidents caused by misoperation. The mKHz laser has high frequency, is beneficial to the observation of the human eye, and is very convenient for subsequent adjustment as the self-reference light.

A display device (100) can include an antireflection pattern (152) or a column spacer (154) positioned between a light-emitting diode (D) and a bank layer (150), wherein the antireflection pattern (152) or the column spacer (154) contains a blue dye (135b). The blue light reflected by the antireflection pattern (152) or the column spacer (154) is barely perceptible to the human eye, thus helping to reduce visible spots such as rainbow mura caused by external light reflections. Furthermore, the blue light emitted by the light-emitting diode (D) can pass through the antireflection pattern (152) and / or the column spacer (154), thereby increasing the intensity of the transmitted light. This can improve image quality while minimizing brightness loss.

The present invention relates to an apparatus (110) and a method (210) configured to determine a choroidal topography (218) on a region (114, 114') of the retina (116) of a human eye (117), and to the use of the apparatus (110) for determining the effect of at least one ophthalmic lens design on the choroidal topography (218). In this document, the device (110) includes: - at least two separate displays (122, 122'), each configured to provide retinal stimulation (112, 112'), thereby providing two independent retinal stimuli (112, 112'); - at least two optical transmission elements, including a first optical transmission element and a second optical transmission element, each configured to project at least one of the retinal stimulation (112, 112') or a phase map onto a region of the retina of a human eye, wherein the phase map includes a modified retinal stimulation; - a measuring device (142) for capturing a human eye by using reflected light received from a region (114, 114') on the retina (116) of the human eye (117). (117) Choroidal topography (218) on region (114, 114') of retina (116); - Optical filter (152) configured to separate reflected light received from region (114, 114') of retina (116) of human eye (117) from phase map of region (114, 114') of retina (116) of human eye (117), wherein the second optical transmission element is further configured to simultaneously project each of the at least two separate phase maps at different retinal eccentricities onto each of at least two separate regions (134, 134') of retina (116) of human eye (117), wherein these separate regions (134, 134') include peripheral region and foveal region of retina (116) of human eye (117).

Devices and methods for replacing a human lens after cataract surgery. The device is an insert for the eye capsule and is formed of two or more rings that are connected to one another. A primary lens is affixed to the insert. A secondary add-in lens can be added to the insert in a subsequent surgery to correct, or further optimise, the optical results obtained with the initial surgery.

This application discloses a voice interaction method, an electronic device, and a computer-readable storage medium for resolving control matching conflicts. The method includes: the electronic device processing acquired first voice to obtain a first voice command; acquiring text description information and position information of each first control within the current interface; determining the visual focus area of ​​the human eye on the screen; matching the first voice command with target information, the target information including the text description information of each first control; if the current interface includes at least two first target controls, for each first target control, determining whether the first target control is located within the visual focus area based on the position information of the first target control, wherein the first target control is the control whose text description information matches the first voice command; when the visual focus area includes only one first target control, performing a preset operation on the first target control within the visual focus area.

The application relates to a plurality of curved surface integrally-formed myopia glasses lenses, and belongs to the technical field of glasses lenses. The plurality of curved surface integrally-formed myopia glasses lenses are of an integrally-formed structure, are more practical, and are of a light-transmitting structure. The side of the myopia glasses lenses close to the human eye is an inner arc surface, and the side far from the human eye is an outer arc surface. The outer arc surface is a smooth mirror surface, the mirror surface can realize a large-curvature mirror surface, and is more beautiful than a traditional mirror surface. In the inner arc surface, concave surfaces are uniformly distributed on the left and right sides to perform diopter compensation. The myopia glasses lenses can be a plurality of curved surface lenses, a spherical myopia lens or a double-curved surface myopia glasses lens or a cylindrical myopia glasses lens, and the whole is more practical and beautiful.

The invention relates to a corneal inlay for a human eye, wherein the inlay comprises a biocompatible base material and a colorant that mimics the optical appearance of the iris of a human eye. The invention also relates to a method for changing the visible eye color of a human eye, comprising the steps of preparing a pocket in the cornea of ​​the eye and inserting an implant into the corneal pocket, wherein the implant is configured as a corneal inlay comprising a colorant to simulate an iris, and a method for preparing a corneal inlay for a human eye, comprising the steps of providing a biocompatible base layer and applying a colorant to the base layer, wherein the colorant mimics the optical appearance of the iris of a human eye.

This application provides a dimming method, apparatus, system, and vehicle, applied in the field of display technology, to reduce situations where the brightness of a display screen, even at its maximum, is insufficient to meet the viewing needs of the human eye. The dimming method includes: acquiring the ambient illuminance of the space where the electronic device used to display content is located; and adjusting the ambient light transmittance of the space and / or the output brightness of the electronic device based on the acquired ambient illuminance and the output brightness of the electronic device; wherein the electronic device includes a projector or a screen.

This utility model discloses an intelligent reminder device, including a mounting bracket and a device body. The mounting bracket is used to install and fix it to the center of the inner surface of a toilet seat, and the device body is detachably mounted on the mounting bracket. The device body has a protruding part on its front, and a recessed groove is formed on the bottom surface of the protruding part, with a light installed in the groove. A control component is installed inside the device body, including a sensing module. This control component controls the on / off state of the light by sensing the human body. Thus, this intelligent reminder device can be installed on the inner surface of the toilet seat, and the light, located in the groove, will not directly stimulate the user's eyes, but can accurately illuminate the inside of the toilet, making it easy for the user to observe the toilet's position. Furthermore, the device body is detachable from the mounting bracket, allowing for convenient disassembly and maintenance.

An engraved solid piece carries data comprising specific information on a surface of the engraved solid piece. The surface is covered by a plurality of block structures, comprising at least a first block structure. Each block structure is a spatially restricted collection of modulated features and base features, which are spread over the surface of the engraved solid piece. Each modulated feature and each base feature has respectively a three-dimensional modulated-feature profile and a three-dimensional base-feature profile. Each of the modulated-feature profiles is the result of applying a corresponding modulation to one of the three-dimensional base-feature profiles, according to a specific, corresponding information. Each modulated feature further is a symbol, which is a transcription of a character of an alphabet. The alphabet is a collection of characters, which are distinct objects of well-defined elementary data. Each of the base features is an engraved elementary three-dimensional topographical element of the surface. Each of the modulated features is an engraved three-dimensional topographical element of the surface. At least a part of the data is transcribed by a code-block structure of modulated features, the code-block structure thereby constituting at least a part of a block structure corresponding to the at least one part of the data. The modulated features of the first block structure are arranged according to a first ordered map, the first ordered map comprising at least a first finite ordered set of first positions of the modulated features of a first code-block structure on the surface, the first block structure corresponding to a first part of the data, and the first ordered map further is configured to arrange the modulated features of the first block structure to constitute an aesthetic ensemble on the surface and render the respective symbols corresponding to the modulated features of the first code-block structure imperceptible to the human eye, but retrievable by means of a software-driven image-sensor / processor combination.

This invention relates to the field of intelligent control technology and discloses a method and system for adaptive brightness adjustment of a display screen. The method includes: acquiring ambient light intensity data and analyzing its changing trends to determine the directional characteristics of light intensity as the basis for adaptive speed adjustment; inputting the adaptive speed adjustment basis into a visual adaptation model to generate smooth curve parameters adapted to human eye characteristics, generating a brightness transition sequence through discretization sampling, and converting the brightness transition sequence into an adjustment instruction set; obtaining a target reference value from the adjustment instruction set, calculating the deviation between the actual brightness and the target reference value through a feedback mechanism to obtain a corrected brightness value; fusing real-time light intensity and historical data to construct a time series set and predicting the expected light sequence to generate a primary and backup adjustment path, adaptively switching based on the light intensity deviation; extracting the current adjustment instruction and transmitting it to the display driver module to achieve gradual brightness adjustment and a visually comfortable state. This method can achieve precise adaptation between human eye characteristics and display device hardware.

Method for determining a center point (504) of an eye (202) of an occupant of a vehicle (100), the method comprising the following steps: Determining (803) reference pupil pixel coordinates (140) and reference eye angle pixel coordinates (142) using a reference image signal (110) representing a reference image (300) captured by a camera (106) of at least a portion of a face of the occupant exhibiting a reference head pose, wherein the reference pupil pixel coordinates (140) represent a position of a center point (504) of a pupil (506) of the eye (202) of the occupant in the reference image (300) and the reference eye angle pixel coordinates (142) represent a position (312) of an eye angle of the eye (202) of the occupant in the reference image (300);Determine (805) homogeneous reference pupil coordinates (144) in a camera coordinate system (120) of the camera (106) using the reference pupil pixel coordinates (140) and homogeneous reference eye angle coordinates (146) in the camera coordinate system (120) of the camera (106) using the reference eye angle pixel coordinates (142); Determine (809) reference eye angle camera coordinates (148) using the homogeneous reference eye angle coordinates (146) and an eye angle associated depth information (588), wherein the reference eye angle camera coordinates (148) represent a position (312) of the eye angle in the camera coordinate system (120);and determine (811) reference eye center camera coordinates (150) assigned by the reference head pose as the intersection of a reference vector formed from the homogeneous reference pupil coordinates (144) and the homogeneous reference eye angle coordinates (146) and a reference sphere, wherein a center of the reference sphere is defined by the reference eye angle camera coordinates (148) and a diameter of the reference sphere by a mean eye diameter of a human eye (202).

This invention relates to the field of physics experiments, and more particularly to a convex lens imaging experimental method and system based on machine vision and data collaboration. The system includes a guide rail, a convex lens, a sliding frame, a light source, a support frame, a stepper motor, a lead screw, a screen, an extension arm, a camera, a controller, and a processor. This invention automatically identifies the optimal imaging position by combining a camera and a processor, eliminating the subjectivity of human judgment, improving the objectivity and reliability of experimental conclusions, and uploading experimental data to the cloud in real time. This enables the aggregation, sharing, and visualization analysis of multiple sets of data, ensuring the objectivity and accuracy of a single measurement while supporting the summarization of imaging patterns from multiple sets of data, thus enhancing the scientific rigor and depth of the experiment.

This application discloses a device control method and an electronic device, relating to the field of electronic device technology, and applied to electronic devices. It includes: when the electronic device has its sleep aid function activated, acquiring environmental data. If the electronic device detects that the environmental data indicates a resting scenario, and detects that the user's eyes are focused on the display screen, the electronic device acquires the user's sleep aid data. Based on the sleep aid data, when the user is nearing sleep, the electronic device performs corresponding sleep aid operations. These operations include lowering the volume of the electronic device and / or dimming the brightness of the display screen. When it is determined that the user is nearing sleep, the electronic device can remind and assist the user to fall asleep by lowering its own volume or dimming the brightness of the display screen, thereby interrupting the user's continuous use of the electronic device as much as possible. This helps the user fall asleep more easily and quickly, thus improving the user's sleep quality and rest quality.

Abstract Apparatus and methods are presented for spectral domain optical imaging, in particular for single shot 3-D spectral domain imaging of the retina of the human eye. In certain embodiments one or more 3-D images across elongated areas of an object are acquired, with scanning perpendicular to the long axis of the elongated areas for imaging extended volumes of 5 the object. In preferred embodiments the captured light is sampled in the Fourier plane, in a dimension substantially perpendicular to the long axis, with a cylindrical lenslet array, while in other embodiments the captured light is sampled in the image plane. Apparatus and methods are also presented for hyperspectral imaging of the retina, with the illuminating beams preferably angled to suppress interference from corneal reflections. Apparatus and methods are 10 also presented for multi-wavelength wavefront sensing, with simultaneous capture of light in two or more paths with different delays. 5 1020 26 20 47 51 19 J un 2 02 6 A b s t r a c t 1 9 J u n 2 0 2 6 5 2 0 2 6 2 0 4 7 5 1 1 0