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3089 results about "Human eye" patented technology

The human eye is an organ that reacts to light and allows vision. Rod and cone cells in the retina allow conscious light perception and vision including color differentiation and the perception of depth. The human eye can differentiate between about 10 million colors and is possibly capable of detecting a single photon. The eye is part of the sensory nervous system.

High-precision image processing method and system based on illumination adaptive compensation

The invention discloses a high-precision image processing method and system based on illumination adaptive compensation, and relates to the technical field of computer vision and image processing, and the method comprises the steps: inputting an original image, and dividing the image into a high-frequency edge layer, an intermediate-frequency texture layer and a low-frequency illumination layer through a multi-scale residual network; acquiring illumination intensity, color temperature and scene categories in real time by using an ambient light sensor and a scene semantic segmentation model, and generating dynamic compensation parameters; carrying out dynamic range expansion on a low-frequency illumination layer based on a physical illumination model, and adjusting the weight of highlight suppression and dark area enhancement through a self-adaptive S-shaped exposure curve; a double-branch generative adversarial network is adopted, noise suppression and super-resolution reconstruction are carried out on the high-frequency layer, and texture detail enhancement is carried out on the intermediate-frequency layer; aligning the data of the depth camera and the infrared sensor with the visible light image through a cross-modal fusion module; and performing tone mapping on the fused image based on human visual characteristics, and outputting an enhanced image with a high dynamic range and reserved details.
Owner:SHANXI UNIV

Multiband LED chip and preparation method thereof, and white light LED light source

The invention relates to the technical field of semiconductors, and particularly discloses a multiband LED chip and a preparation method thereof, and a white light LED light source, the LED chip comprises a light-emitting layer, and the light-emitting layer comprises a first cyan light multi-quantum well layer, a second long-wave blue light multi-quantum well layer, a third short-wave blue light multi-quantum well layer and a fourth purple light multi-quantum well layer which are sequentially stacked in the epitaxial direction; the first cyan light multi-quantum well layer, the second long-wave blue light multi-quantum well layer, the third short-wave blue light multi-quantum well layer and the fourth purple light multi-quantum well layer are each of a periodic structure formed by alternately stacking well layers and barrier layers, and the light-emitting wavelengths of the first cyan light multi-quantum well layer, the second long-wave blue light multi-quantum well layer, the third short-wave blue light multi-quantum well layer and the fourth purple light multi-quantum well layer are sequentially decreased. And the forbidden band widths of the barrier layers are sequentially decreased. According to the LED chip, the overall excitation efficiency can be effectively improved, and the output full-spectrum white light LED light source is higher in color rendering index, better in stability, less in damage to human eyes and high in light emitting efficiency.
Owner:JIANGXI ZHAO CHI SEMICON CO LTD

Dynamic ambient light adaptive OLED display optimization method and system

The invention relates to the technical field of display, and particularly discloses a dynamic ambient light adaptive OLED display optimization method and system, and the method comprises the steps: obtaining an ambient light time sequence data set of an environment where an OLED display screen is located, and synchronously obtaining real-time display parameters and historical brightness adjustment data of the display screen; acquiring ambient light sensing features according to the ambient light time sequence data set; obtaining photo-thermal structure coverage area data of the OLED display screen according to the real-time display parameters; and acquiring preliminary optimization parameters according to the ambient light sensing characteristics and the photo-thermal structure coverage area data. According to the invention, illumination intensity, spectrum drift and contrast change are captured in real time in combination with ambient light perception characteristics, the one-sidedness of adjustment only according to brightness traditionally is solved, reflection can be reduced through photothermal structure deformation under strong light, brightness can be improved to offset interference, and human visual characteristics can be matched under weak light. And the display definition and the visual comfort in different environments are effectively improved.
Owner:SHENZHEN DECHENGXIN TECHNOLOGY CO LTD

System and method for delivering multiple ocular implants

Systems and methods for delivering multiple ocular implants to reduce intraocular pressure are disclosed. The ocular implants can be implanted at multiple sites within a single human eye without requiring removal of the delivery apparatus from the eye. A system for delivering multiple ocular implants can include at least two implants preloaded within a delivery device and configured to be implanted within the eye, a metering device configured to transfer energy to the implants for delivery at selected locations within the eye, wherein the metering device is configured to meter a variable amount of energy for each implant delivery event in the eye. The system can further include an injector mechanism configured to serially engage and drive each of the implants.
Owner:GLAUKOS CORP

Intelligent lighting street lamp system and control method thereof

The invention discloses an intelligent lighting street lamp system and a control method thereof, and the method comprises the steps: obtaining an LED drive current and a dual-energy output parameter, and generating a PWM drive characteristic through frequency decomposition; performing pre-dimming compensation on the LED based on the human eye brightness sensitivity to obtain a luminous flux control feature and an energy prediction feature; obtaining LED junction temperature change data and carrying out thermal characteristic analysis to obtain LED driving compensation characteristics; dividing an illumination control time window and dynamically adjusting an LED driving current waveform to obtain a time sequence driving characteristic; and fluctuation analysis is carried out according to the real-time luminous flux data, and linkage adjustment is carried out on PWM driving characteristics, luminous flux control characteristics, LED driving compensation characteristics and time sequence driving characteristics. According to the invention, the rapid and accurate adjustment of the LED driving current can be realized, the influence of the dual-energy output fluctuation on the illumination quality is effectively inhibited, and the accurate matching problem of the energy supply and the illumination demand in a key time window is solved.
Owner:SHENZHEN LONG SUN OPTOELECTRONICS TECH CO +1

Brightness control method and system for vehicle-mounted head-up display and display

The invention relates to a brightness control method and system for a vehicle-mounted head-up display and the display. A dynamic adaptation model based on ambient light intensity is constructed by combining human eye visual adaptation characteristics and HUD field angle characteristics, visual adaptation behaviors of human eyes under different illumination conditions can be simulated, and the brightness of the HUD is automatically adjusted according to different light intensity changes, so that information display better conforms to the visual comfort of the human eyes. According to the invention, the maximum HUD display brightness acceptable by human eyes under different illumination conditions can be calculated, the brightness adjustment values under different illumination conditions are dynamically calculated by using the De Boer coefficient, and the brightness of the HUD display is adjusted in real time according to the external light environment, so that the brightness adaptive dynamic closed-loop adjustment is realized, the HUD is effectively prevented from being too bright under low ambient light, and the HUD display quality is improved. The visual blinding phenomenon caused by instantaneous strong light reflection or bright element emerging in a dark scene is avoided, the function safety level of the vehicle-mounted HUD system is remarkably improved, and the ISO 26262ASIL-B level safety requirement is met.
Owner:WUHU HUAYANG TECHNOLOGY CO LTD

Infrared image processing method, apparatus and device, and storage medium

An infrared image processing method, apparatus and device, and a storage medium are provided. The infrared image processing method includes: acquiring an infrared image; performing target detection on the infrared image to determine target objects within the infrared image and obtaining a target detection result that include a category of each of the target objects; determining a target object of interest from the target objects; determining a contour area of the target object of interest; performing true-color processing on the contour area to highlight the target object of interest. By highlighting the target object of interest in the infrared image through true-color processing, the target object of interest can be displayed more prominently with different colors and textures according to its category, so that the target object of interest can be presented more clearly in the infrared image clearer and easier for the human eye to observe and recognize.
Owner:YANTAI RAYTRON TECH CO LTD

Visual work efficiency evaluation method for cockpit

PendingCN121211673AGeometric CADImage analysisVisual ErgonomicsComputer software
The invention discloses a cockpit visual work efficiency evaluation method. The method comprises the following steps: establishing a cockpit geometric model according to a real cockpit; establishing a cockpit light environment model according to the cockpit light environment parameters; establishing a cockpit optical material model according to the optical material parameters of the inner and outer surfaces of the cockpit; fusing and establishing a cockpit optical model; a simulation detector is arranged on the cockpit optical model; according to the cockpit optical model and the analog detector, human eye vision optical simulation and dazzle source space tracking and positioning are carried out; according to a glare source space tracking and positioning result, a cockpit structure is optimized; and performing cockpit visual work efficiency evaluation according to a cockpit structure optimization result. According to the cockpit visual work efficiency evaluation method, reasonable evaluation of cockpit visual work efficiency readable visibility in various environments is achieved, simulation is conducted on the cockpit light environment through computer software, and adjustment can be conducted according to the working habit, the vision condition, the age and other factors of each pilot.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

System for delivering multiple ocular implants

Systems and methods for delivering multiple ocular implants to reduce intraocular pressure are disclosed. The ocular implants can be implanted at multiple sites within a single human eye without requiring removal of the delivery apparatus from the eye. A system for delivering multiple ocular implants can include at least two implants preloaded within a delivery device and configured to be implanted within the eye, a metering device configured to transfer energy to the implants for delivery at selected locations within the eye, wherein the metering device is configured to meter a variable amount of energy for each implant delivery event in the eye. The system can further include an injector mechanism configured to serially engage and drive each of the implants.
Owner:GLAUKOS CORP

Low-illumination underwater image enhancement method based on double-domain adaptive collaboration

The invention relates to a low-illumination underwater image enhancement method based on double-domain adaptive collaboration, and the method employs a multi-scale mixed attention mechanism to collaboratively integrate the spatial domain and frequency domain information of an image, and obtains the key feature information of the image. And on the basis of the obtained image key feature information, adaptive parametric convolution is used, convolution kernel parameters are dynamically adjusted by using a multi-branch convolution structure, and image dynamic key information is obtained. And a dynamic content perception Markov discriminator is used to cooperatively perceive space and frequency characteristics, and the authenticity of the enhanced image is discriminated, so that the fidelity of the texture is improved. And finally, optimizing the generator and the discriminator by using adversarial training, and finally outputting an enhanced underwater image by using the optimized generator. The method can be embedded into an underwater robot platform, image quality enhancement is achieved with fewer computing resources in a low-illumination complex water environment, image definition, contrast and color consistency are improved, the enhanced image is closer to human eye visual perception, and the visual perception capability and operation reliability of an underwater robot are remarkably improved.
Owner:HENAN INST OF SCI & TECH

Eyepiece system and optical apparatus

The embodiment of the invention provides an eyepiece system and optical equipment. The eyepiece system comprises a first element group and a second element group; the first element group is arranged close to the human eye side and comprises a first lens, the first lens is provided with a first surface close to the display side and a second surface close to the human eye side, the first surface is provided with a light splitting element and a circularly polarized light generation assembly, and the circularly polarized light generation assembly is located on the side, away from the first lens, of the light splitting element; a first phase retarder and a polarization reflection element are sequentially arranged on the second surface; the second element group is arranged close to the display side and comprises at least two lenses, and the Abbe number of at least one lens is less than or equal to 40; the eyepiece system satisfies the following conditions: 0.01 < = (D1max * phi1) / (D2max * phi2) < = 0.3; wherein phi 1 is the focal power of the first element group, phi 2 is the focal power of the second element group, D1 is the maximum effective optical aperture of the first element group, and D2 is the maximum effective optical aperture of the second element group.
Owner:GOERTEK OPTICAL TECHNOLOGY (QINGDAO) CO LTD

Smart Swimming Goggles

ActiveUS20260000938A1Swim gogglesSwim capsComputer hardwareTerminal equipment
The disclosure provides smart swimming goggles, including a swimming goggle eyecup, a housing attached to the swimming goggle eyecup and internally provided with a closed cavity, and a near-eye display system arranged in the closed cavity of the housing; the near-eye display system includes a light source device, an optical assembly at least including a waveguide lens, a processor, and a wireless communication module; an area, right facing the waveguide lens, of the housing is a light-transmitting area; the optical assembly is configured to transmit projection light outputted by the light source device to a human eye through the waveguide lens; the processor is in communication connection with an external terminal device through the wireless communication module, so that information interaction between the processor and the external terminal device is facilitated; and the housing is further provided with a waterproof key-attached to the processor and configured to send a trigger instruction to the processor when pressed, so that the processor controls a working state of the light source device according to the trigger instruction. According to the smart swimming goggles in the disclosure, more swimming information data is able to be provided for a swimmer, the swimming interestingness is enhanced, and the personalized requirements of a user are met.
Owner:LIGHTIN INC

Screen shooting traceability method, device and equipment and readable storage medium

The invention discloses a screen shooting traceability method, device and equipment and a readable storage medium, which are applied to the field of computer software, and comprise the following steps: encoding watermark information to obtain a watermark information sequence; embedding the watermark information sequence into the image through an R channel, a G channel and a B channel of RGB (Red, Green, Blue) to obtain an image with a watermark; and acquiring the shot image with the watermark image, and tracing to obtain watermark information based on the shot image. According to the method, the watermark is generated by using the RGB channel of the single pixel image, so that the visual concealment of the watermark image is improved, the difficulty in perceiving of human eye recognition is ensured, and the visual quality of a user is not influenced; the watermark embedding position is not influenced by an original image carrier, and watermark information can be hidden in any area of the image; and the watermark information recovery success rate is high.
Owner:CETC CYBERSPACE SECURITY TECH CO LTD

Naked eye 3D transparent display imaging system

The invention discloses a naked eye 3D transparent display imaging system, and relates to the technical field of 3D transparent imaging. The method comprises the steps that a multi-scale parallax layer construction module is used for decomposing a multi-scale parallax layer and dividing regional images; the dynamic viewpoint prediction module is used for generating two-eye three-dimensional space coordinates through human eye parameters; the parallax scheduling mapping module is used for performing space mapping according to the binocular three-dimensional space coordinates to generate a target visual angle image; the background compensation module is used for carrying out brightness correction on the target view angle image to obtain a compensated view angle image; the directional light field regulation and control module is used for processing the compensation view angle image and generating directional light field information; and the full-layer fusion module is used for processing directional light field information, eliminating interface artifacts between layers and generating a naked-eye 3D transparent display image. Through multi-scale parallax construction, dynamic viewpoint tracking and multi-layer light field fusion, the visual angle adaptability and image fusion quality of naked eye 3D display are improved, and a transparent three-dimensional imaging effect with high immersion, high consistency and high definition is realized.
Owner:ANHUI SHENGZI TECH CO LTD

Human-eye-imitating lens

The invention provides a human-eye-imitating lens, and the lens sequentially comprises a first lens group from the object side to the image side, the first lens group sequentially comprises a first lens to an eleventh lens from the object side to the image side of the human-eye-imitating lens, and the combined focal length of the first lens group is negative; the second lens group sequentially comprises a twelfth lens to a seventeenth lens from the object side to the image side of the human eye imitating lens, and the combined focal length of the second lens group is positive; wherein the first lens to the seventeenth lens are spherical lenses; the distance TTL from the object side surface of the first lens to the imaging surface of the human-eye-imitating lens on the optical axis of the human-eye-imitating lens and the effective focal length f of the human-eye-imitating lens meet the following conditions: 24.0 lt; tTL / flt; 34.9). The problem that in the prior art, miniaturization and high image quality of a human-eye-imitating lens are difficult to consider at the same time is solved.
Owner:ZHEJIANG SUNNY OPTICAL CO LTD

Tattoo detection-based video authentication method and system

A tattoo detection-based method and system of performing an authentication of video of a person in order to authorize access to a secured resource is disclosed. The user provides image data in which they present a region of skin on which a pattern or code has been tattooed with ink that is invisible to the human eye. The system and method are configured to evaluate the image data to determine whether the cloaked token is present. If a cloaked token is present, the system determines the image is authentic and can verify an identity of the person. In some cases, the system can further be configured to automatically grant the person access to one or more services, features, or information for which he or she is authorized.
Owner:UNITED SERVICES AUTOMOBILE ASSOCIATION (USAA)

Tunnel portal illumination control method and control system

The invention relates to the technical field of tunnel lighting, in particular to a tunnel portal lighting control method and system, and the method comprises the steps: S1, obtaining a first image in a short exposure time mode; obtaining a second image in a long exposure mode; s2, synthesizing the second image and the first image into a high-dynamic-range image, and dividing the high-dynamic-range image into a low-brightness area, a transition area and a high-brightness area; s3, generating a brightness transition curve of the transition area; s4, determining a brightness adjusting curve of the transition area according to the maximum brightness of the tunnel portal and the light and shade adaptive pupil area change rate; s5, determining the target brightness of each part of the transition area according to the brightness transition curve and the brightness adjustment curve; and S6, adjusting the brightness of the illumination lamp in the transition area to enable the brightness of each part of the transition area to reach the target brightness. The target brightness is determined according to the brightness transition curve in combination with the brightness adjustment curve, the influence of the brightness adaptive pupil area change rate on the sight line is fully considered, and the change of the brightness of the tunnel portal is more adaptive to the function of human eyes.
Owner:SICHUAN ENERGY INVESTMENT SMART OPTOELECTRONICS CO LTD

Low-illuminance image enhancement method based on virtual exposure and dual fusion

A low-illuminance image enhancement method based on virtual exposure and dual fusion, which relates to the technical field of image processing. The method comprises the following steps: step 1, receiving an original image; step 2, performing different levels of exposure on the original image to acquire a plurality of virtual images, and generating a virtual-image sequence; step 3, calculating a weight map for each virtual image in the virtual-image sequence, and obtaining a brightness-enhanced image after fusion; and step 4, extracting detail information from the brightness-enhanced image and fusing same with details of the original image, so as to obtain an enhanced image. The method has a relatively small brightness distortion and contrast distortion, and can effectively preserve visual information of an image itself, making it more compatible with the visual enjoyment of human eyes.
Owner:WEIFANG UNIVERSITY

Multiband light emitting diode epitaxial structure and preparation method thereof

The invention relates to the technical field of semiconductor devices, in particular to a multiband light-emitting diode epitaxial structure and a preparation method thereof. The multiband light-emitting diode epitaxial structure sequentially comprises a substrate, a buffer layer, an N-type semiconductor layer, a low-temperature stress release layer, a multi-quantum well light-emitting layer, an electron blocking layer and a P-type semiconductor layer from bottom to top, the multi-quantum well light-emitting layer comprises four sub-layers, namely a first long-wave cyan light multi-quantum well layer, a second short-wave cyan light multi-quantum well layer, a third long-wave blue light multi-quantum well layer and a fourth short-wave blue light multi-quantum well layer which are sequentially stacked and grown from bottom to top, and the light-emitting wavelengths are sequentially decreased. Meanwhile, by combining the design of the sub-layers of the multiple quantum well light-emitting layers and through the synergistic effect of exciting light of all wave bands, the overall excitation efficiency can be improved, full-spectrum white light is output, the full-spectrum white light is closer to sunlight, the light-emitting efficiency is high, the color rendering property is good, the stability is better, and harm to human eyes is small.
Owner:JIANGXI ZHAO CHI SEMICON CO LTD

Brightness adjustment control method and brightness adjustment device

The invention discloses a brightness adjustment control method and a brightness adjustment device, and relates to the technical field of vehicle-mounted systems. The brightness adjustment control method comprises the following steps: acquiring light parameters, position data and time information; determining a current scene of the vehicle; and generating a corresponding control signal to drive the backlight source to work. According to the method, the light parameters, the position data and the time information are fused to realize multi-dimensional environment perception and dynamic scene discrimination, so that the environment state of the vehicle is accurately identified, the scene classification accuracy is improved, and then, the adaptive brightness mapping algorithm based on scene feature matching is utilized to improve the accuracy of scene classification. Smooth and continuous control signals are generated according to human eye perception characteristics to drive a backlight source, and visual fatigue caused by brightness step in a traditional scheme is avoided; meanwhile, instantaneous environment interference is filtered out through position pre-judgment and illumination trend analysis, and the system stability under the complex working condition is enhanced.
Owner:SHENZHEN PLUCKYSTONE TECH CO LTD

Energy operator and multi-modal feature fused screen defect detection method and system

The invention discloses an energy operator and multi-modal feature fused screen defect detection method and system, and the method comprises the following steps: carrying out the form energy calculation of an extracted defect contour, and representing the curvature through a low-frequency component energy value; calculating a defect width standard deviation; a defect area brightness mean value is extracted in the HSV space, the scratch brightness mean value is higher than the broken filaments, gray gradient changes are calculated in the defect long axis direction, and the broken filament gradient fluctuation amplitude is smaller than that of scratches; constructing a manual annotation data set, and establishing a mapping relationship between the multi-modal features and manual scores through a regression model; the classification threshold is dynamically adjusted, and it is ensured that the Kappa consistency coefficient of a machine judgment result and manual reinspection is larger than or equal to 0.85. According to the method, the defect form energy operator and the multi-mode optical characteristics are fused, a quantitative classification model is constructed, calibration mapping of a machine vision result and human eye detection is achieved, and the defect classification precision and production line detection consistency are improved.
Owner:FREESENSE IMAGE TECH

Beer sealing cover defect identification method based on image intelligent identification

The invention discloses a beer sealing cover defect identification method based on image intelligent identification, and relates to the field of image identification, and the method comprises the steps: extracting the brightness distribution, color histogram and edge gradient features of a picture shot by a camera; constructing a precise light type calculation model, and dynamically adjusting brightness transition curves of adjacent partitions; identifying a high-contrast edge in the picture, and dynamically adjusting a brightness decay curve of adjacent partitions according to an edge brightness difference; color calibration is carried out through a three-dimensional color lookup table; and performing defect identification on an actual sealing cover image by using a dual mechanism. The light rays of the light source emitter are regulated and controlled, so that under the contrast condition, a machine and human eyes are easy to identify, the halo diffusion radius is reduced, and color calibration is carried out through the three-dimensional color lookup table, so that the machine and the human eyes are prevented from being influenced by images during identification, and the overall identification accuracy is ensured.
Owner:BUDWEISER BEER FOSHAN

LED energy-saving street lamp system capable of self-adapting to environment lighting effect and illumination adjusting method of LED energy-saving street lamp system

The invention discloses an LED (Light Emitting Diode) energy-saving street lamp system self-adaptive to an ambient light effect and an illumination adjusting method thereof, and belongs to the technical field of novel illumination control and green energy conservation. The system comprises a light environment sensing module, a traffic flow monitoring module, an LED driving power supply and an electroluminescent illumination module composed of a plurality of light emitting diodes. The main control module is configured to execute active lighting effect decoupling logic, namely, when the electroluminescent lighting module keeps steady-state lighting, the driving power supply is controlled to inject a micro-disturbance modulation signal which cannot be perceived by human vision into output current, and illuminance response data of the light environment perception module are synchronously collected; the road surface reflectivity coupling coefficient is obtained in real time by calculating the change ratio of the response data to the modulation signal, then the reflected light component excited by the street lamp itself is accurately removed from the total illumination value, and the pure environment background illumination is decoupled. The problems of misoperation and energy waste caused by self-luminous interference of a traditional light-operated street lamp are solved.
Owner:盐城市路灯管理处 +1

Human eye dynamic refraction detection method based on three-dimensional phase deflection method

The invention belongs to the technical field of refraction detection, and particularly relates to a human eye dynamic refraction detection method based on a three-dimensional phase deflection method. The method comprises the following steps: S1, based on a three-dimensional phase deflection imaging system and an iterative representation integral algorithm, obtaining a 3D shape of a to-be-detected human eye in place in real time; s2, on the basis of the 3D shape of the to-be-detected human eye, the current staring direction of the to-be-detected human eye is obtained in real time in place by combining a ray tracing method; s3, establishing a refractive imaging system, and obtaining a diopter value of the to-be-measured human eye in the current staring direction in real time in place based on the refractive imaging system; and S4, fitting different staring directions of the to-be-detected human eyes and the dynamic numerical curve of the diopter values in the corresponding staring directions to realize human eye dynamic refraction detection. According to the method, an accurate treatment scheme can be accurately provided for the ametropia patient in a real scene, and guidance can be provided in the aspect of personalized customization of the spectacle lenses.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI

High-precision dot matrix density cosmetic contact lens development method and system, medium and product

The invention provides a high-precision dot matrix density cosmetic contact lens development method and system, a medium and a product, and relates to the technical field of cosmetic contact lens production, and the method comprises the steps: obtaining multi-mode fashion data through a crawler technology, and extracting a trend language intention vector from the multi-mode fashion data; based on a pre-trained neural network model, mapping the trend language intention vector into a microscopic physical parameter for defining a cosmetic contact lens pattern to obtain an initial dot matrix parameter set; performing graphical rendering on the initial dot matrix parameter set to obtain a plurality of initial cosmetic pupil dot matrix patterns; simulating the wearing effect of each initial cosmetic contact lens dot matrix pattern on the three-dimensional human eye model through simulation software to obtain a plurality of virtual wearing effect pictures; and determining the initial cosmetic contact lens dot matrix pattern of which the aesthetic evaluation score is greater than a preset score threshold as a final cosmetic contact lens dot matrix pattern. By implementing the method, the limitation of a traditional design element library can be broken, the generation of the cosmetic contact lens pattern is more innovative and diversified, and the innovativeness and the popular integrating degree of the cosmetic contact lens pattern are improved.
Owner:IRIS (XIAMEN) TECH CO LTD

Display device and defect pixel compensation method of display device

The invention discloses a display device and a defect pixel compensation method of the display device, the display device comprises a display panel and a processor, the processor determines the defect type of a defect sub-pixel and an initial gray scale value corresponding to the defect sub-pixel; determining at least one target gray-scale value according to the defect type of the defective sub-pixel, the initial gray-scale value and a plurality of to-be-displayed gray-scale values corresponding to the defective pixel to which the defective sub-pixel belongs; based on the at least one target gray-scale value, updating the to-be-displayed gray-scale values corresponding to other sub-pixels in the defective pixels; and the display panel displays the to-be-displayed image after the plurality of to-be-displayed gray-scale values corresponding to the defect pixels are updated. According to the target gray-scale value, the to-be-displayed gray-scale values of other sub-pixels except the defective sub-pixels in the defective pixels are updated, so that the display color cast problem caused by the defective sub-pixels is compensated, the perceptibility of the defective sub-pixels in human eyes is reduced, and the display effect of the display device is improved.
Owner:QINGDAO HI-IMAGE TECH CO LTD

Naked eye three-dimensional image display method and device, computer equipment and storage medium

The embodiment of the invention discloses a naked eye three-dimensional image display method and device, computer equipment and a storage medium. The method comprises the following steps: acquiring a plurality of three-dimensional virtual sub-objects and initial display parameters corresponding to the plurality of three-dimensional virtual sub-objects in a target naked-eye three-dimensional scene, wherein the plurality of three-dimensional virtual sub-objects have a logic association relationship; displaying initial naked-eye three-dimensional pictures corresponding to the plurality of three-dimensional virtual sub-objects in the naked-eye three-dimensional display screen according to the initial display parameters; generating space display parameters of the plurality of three-dimensional virtual sub-objects according to the logic association relationship; and dynamically adjusting the three-dimensional space positions of at least part of the three-dimensional virtual sub-objects in the plurality of three-dimensional virtual sub-objects according to the space display parameters so as to update the initial naked-eye three-dimensional picture to obtain a target naked-eye three-dimensional picture. In this way, the spatial display parameters are generated through the logic incidence relation to adjust the three-dimensional space position of the three-dimensional virtual sub-object, and simulation stimulation of the human brain in the three-dimensional space can be achieved when the human eyes watch the three-dimensional virtual sub-object.
Owner:SHENZHEN LITITONG TECH CO LTD

Warning method and system of intelligent tripod warning lamp

The invention provides a warning method and system of an intelligent tripod warning lamp, and relates to the technical field of intelligent vehicle-mounted technologies. When a vehicle is in danger, vehicle state information is collected to automatically generate a warning trigger instruction, and a rear target projection point is determined based on a road type and a vehicle position; projection parameters are calculated in combination with vehicle postures, a vehicle-mounted projection light source is driven to generate a triangular warning graph on the ground at the target distance, meanwhile, light beam output is adjusted in a self-adaptive mode according to environment illumination and visibility, and it is guaranteed that the graph is clear and visible and conforms to human eye safety; the projection position and parameters are dynamically updated to maintain stable warning during the duration of the dangerous state, and the system is automatically closed and reset when the danger is relieved or manual termination is performed, so that the risk of manual arrangement is avoided, and long-distance stable warning is realized.
Owner:殷锁柱

Evaluation and feedback method and system combining eye movement and visual and auditory algorithms

The invention discloses an evaluation and feedback method and system combining eye movement and visual and auditory algorithms, and relates to the technical field of eye movement and visual and auditory. The evaluation and feedback method combining the eye movement and the visual and auditory algorithm comprises the following steps: acquiring human eye image information by wearing head-mounted eye movement tracking equipment, and mapping to obtain a real-time human eye staring position under a scene camera coordinate system in combination with a scene image acquired by a scene camera in the equipment; a scene camera in the head-mounted eye movement tracking equipment and acoustic acquisition equipment arranged in an environment are utilized to analyze and process acquired scene images and sound signals through a visual / auditory processing algorithm, so that scene contents are identified, detected, segmented and positioned. According to the method, the problems that most of current researches are still limited to single-mode analysis, a joint modeling and intelligent evaluation mechanism for multi-mode sensing signals is lacked, and the requirement for panoramic, real-time and intelligent feedback of individual states is difficult to meet are solved.
Owner:INST OF NEW DISPLAY TECH HENAN ACAD OF SCI

Coaxial scanning type ultra-long distance detection laser radar system

The invention relates to the technical field of target distance detection and 3D scanning reconstruction, and discloses a coaxial scanning type ultra-long distance detection laser radar system, which comprises a laser light source module, which adopts a 1550nm optical fiber laser to output high-power laser, and ensures sufficient laser energy and human eye safety; according to the invention, by adopting the high-power 1550nm fiber laser, the ultra-long distance detection is realized on the premise of ensuring the safety of human eyes, and the detection range of more than 10km can be reached, so that the limitation that the detection distance of the traditional laser radar is only 500m is broken; according to the invention, by selecting the 1550nm laser device which is safer to human eyes and greatly improving the laser power to kilowatt and even myriawatt levels, stronger echo signals are realized, so that the detection signal-to-noise ratio is remarkably improved; the micro-lens array is adopted to replace a traditional DOE diffractive optical element, efficient beam shaping of a one-dimensional or two-dimensional dot matrix is achieved through flexible regulation and control of the curvature radius and the distance of the micro-lenses, meanwhile, the manufacturing cost is reduced, and the design freedom degree is expanded.
Owner:HENAN BOXIANG OPTICAL TECHNOLOGY CO LTD