122 results about "Visual comfort probability" patented technology

The invention discloses a short video content accurate recommendation system based on artificial intelligence image recognition, particularly relates to the technical field of short video personalized recommendation, and is used for solving the problem of matching of user interest and visual bearing capacity. The method comprises the following steps: extracting short video key frame spatial-temporal characteristics through a multi-scale convolutional neural network, constructing a cognitive load threshold curve in combination with a user micro gesture sequence, representing the tolerance range of a user to visual complexity in different time periods, and generating a visual complexity vector; calculating a visual load matching index by using an adaptive dynamic warping algorithm, and adjusting a candidate video sequence through a load penalty factor to generate an initial recommendation probability; modeling a user dynamic interest vector based on a gated loop unit network in combination with an attention mechanism; and finally, user interests and video semantics are fused through multi-dimensional features, a final recommendation list is generated through a multi-objective optimization algorithm under the constraint of visual load, and personalized recommendation of interest matching degree maximization and visual comfort optimization is realized.

The invention discloses a multi-point defocus management method for intelligent training glasses, and particularly relates to the technical field of defocus management, and the method comprises the following steps: S1, data collection; s2, scene recognition and intention judgment; s3, generating a dynamic defocusing scheme; s4, performing out-of-focus stimulation presentation; and S5, performing effect evaluation and adaptive adjustment. Original isolated eye movement tracking, scene recognition and adjustable optical technologies are organically connected in series through an intelligent decision-making core, an autonomous system capable of managing defocus like automatic driving is formed, the fundamental pain point that a traditional technology is static and rigid and cannot adapt to the dynamic requirement of a user is solved, and the user experience is improved. According to the invention, qualitative change of defocus stimulation from fixing to following is realized, it is ensured that the defocus stimulation can continuously and accurately act on the most critical area of the retina, meanwhile, the definition of the central view is ensured to the maximum extent, the contradiction between the defocus effect and the visual comfort is solved, and accurate intervention is realized.

The invention relates to an asymmetric scattering myopia control lens based on human eye visual behaviors, which is applied to the technical field of eye vision optics, and has the design core that an asymmetric visual behavior mode shown by human eyes in an actual visual task is deeply integrated into the optical design of the lens. Therefore, an asymmetric optical structure with scattering intensity distribution highly matched with individual visual habits is constructed. According to the lens, scattering characteristics can be accurately configured in a specific area of the lens according to a preset human eye visual behavior data model, especially in the lower half part of the lens, namely a visual field area corresponding to near-distance tasks such as near-distance reading, writing or electronic equipment use of a wearer; the scattering intensity is higher than that of the upper half part (corresponding to a far task view field area), so that the myopia control efficiency is remarkably improved, and meanwhile, the visual comfort and definition of a wearer are effectively considered.

The invention discloses an image display method for a naked-eye 3D large screen, and particularly relates to the technical field of intelligent display, which comprises the following steps of: firstly, acquiring and tracking the positions of eyes of multiple audiences in front of the screen in real time through a depth camera network, and distributing a unique ID (Identity) for each audience to realize continuous tracking; thirdly, dividing the audiences into a plurality of visual areas based on a dynamic clustering algorithm, and calculating the rendering priority of each visual area according to the number of the audiences in each visual area and the importance of the content of the concerned screen; then, left and right eye views with correct parallax are rendered in parallel for each activated visual area, and digital pre-compensation is performed by using a pre-stored optical model so as to suppress crosstalk and uneven brightness; and finally, according to the distance and angle of the visual area of the audience, querying the human factor engineering database to obtain a comfortable parallax threshold, and dynamically compressing the extreme depth of field exceeding the threshold in the scene. According to the invention, multi-audience self-adaptive high-quality 3D display is realized, and the watching experience, the resource utilization efficiency and the visual comfort are effectively improved.

The invention relates to the technical field of multi-point defocusing, in particular to an optical stable photochromic multi-point defocusing myopia control lens prescription generation method, which comprises the following steps of: based on eyes of a wearer, scanning cornea by using a non-contact optical device, extracting iris and pupil characteristics, monitoring an adjustment reaction, and performing three-dimensional reconstruction and multi-direction light path tracking analysis to obtain a myopia control lens prescription. And the distribution configuration of the annular belt is optimized, and the overlapping area is adjusted by combining the photochromic requirement, so that the fusion function partition structure is formed. Through collection of multi-source visual parameters and combination of spatial modeling and focusing path analysis, cut-through association of individual visual behaviors and structural attributes in lens customization is realized, functional requirements of different areas and photochromic response are dynamically fused through hierarchical adjustment of the spatial structure of an intervention area, and the visual performance of the lens is improved. And the material and microstructure data are synchronously output to a manufacturing link, so that the collaborative matching capability of the visual area partition is enhanced, and the requirements of a wearer on visual comfort and optical reaction are met.

The invention discloses a full-color LED screen optical adjustment and intelligent energy-saving detection method, and relates to the field of LED screen adjustment and energy saving. Ambient light data is collected through a bionic distributed sensor network, and features such as illumination intensity and color temperature are extracted through PCA dimension reduction; constructing a human eye visual perception model based on the CIE chromaticity diagram, and introducing a visual adaptation factor to dynamically adjust color gamut mapping; dividing a screen dimming area, and calculating an optimal brightness value by adopting a local contrast enhancement algorithm; the RGB ratio is optimized through a genetic algorithm, and the color difference between the mixed spectrum and the target color gamut is minimized; power consumption is monitored in real time, an energy consumption prediction model is established, and an optimization strategy is triggered when a predicted value exceeds a threshold value. The color gamut coverage rate is high, the local contrast ratio is excellent, and the comprehensive energy-saving rate is greatly improved; blue light harm is reduced, screen flicker is eliminated, the visual comfort is improved, the functions of peep prevention and block chain energy consumption evidence storage are achieved, and the display quality, the energy efficiency performance and the use safety of the LED screen are comprehensively improved.

The invention relates to the technical field of multi-point defocusing, in particular to an optical stable photochromic multi-point defocusing myopia control lens prescription generation method, which comprises the following steps of: based on eyes of a wearer, scanning cornea by using a non-contact optical device, extracting iris and pupil characteristics, monitoring an adjustment reaction, and performing three-dimensional reconstruction and multi-direction light path tracking analysis to obtain a myopia control lens prescription. And the distribution configuration of the annular belt is optimized, and the overlapping area is adjusted by combining the photochromic requirement, so that the fusion function partition structure is formed. Through collection of multi-source visual parameters and combination of spatial modeling and focusing path analysis, cut-through association of individual visual behaviors and structural attributes in lens customization is realized, functional requirements of different areas and photochromic response are dynamically fused through hierarchical adjustment of the spatial structure of an intervention area, and the visual performance of the lens is improved. And the material and microstructure data are synchronously output to a manufacturing link, so that the collaborative matching capability of the visual area partition is enhanced, and the requirements of a wearer on visual comfort and optical reaction are met.

The invention discloses an asynchronous space and time warping rendering system for XR equipment. The asynchronous space and time warping rendering system comprises an attitude prediction module, an asynchronous warping processing module, a synthesis and output module and a monitoring and feedback module. According to the method, space warping and time warping are decoupled from a main rendering thread, an independent asynchronous warping processing assembly line is constructed, interference of warping calculation on main rendering performance can be effectively isolated, and the stability of an application rendering frame rate is ensured; according to the system, through dynamic monitoring of rendering load and prediction precision, distortion parameters and execution strategies are adaptively adjusted, and on the premise of ensuring visual quality, perception delay can be significantly reduced and frame rate output can be smoothed; according to the method, a layered buffering and synthesizing mechanism is adopted, the problem of inter-frame asynchronization or tearing possibly caused by asynchronous execution is reduced, image coherence and visual comfort in a high-dynamic motion scene are improved, and meanwhile the overall utilization rate of graphic processing hardware is increased.

The invention discloses a partitioned scattering optical lens for myopia control and a design method of the partitioned scattering optical lens, which are applied to the technical field of optics, and aims to solve the problem that the central visual quality and the peripheral myopia control effect cannot be considered at the same time in the prior art, the optical lens comprises a central optical region, a peripheral optical region and a smooth transition zone, the central optical area is low in scattering coefficient and high in MTF, a high modulation transfer function and low scattering loss are achieved, the peripheral optical area is high in scattering coefficient and low in MTF, the central optical area is used for inducing peripheral myopic defocus, the smooth transition area is used for achieving continuous gradual change of the scattering coefficient, visual sudden change is avoided, and visual comfort is ensured. The design method comprises the steps of eye parameter acquisition, optical performance target definition, microstructure design and simulation optimization, through the scheme, effective decoupling of central vision and peripheral myopia control is achieved, high-definition vision is ensured, myopia progress is restrained, and wearing comfort is improved.

The invention discloses a light environment ergonomics visual comfort evaluation method based on human intelligence, an edge computing device and a medium. The light environment visual comfort evaluation method comprises the steps of obtaining light environment data for a light environment scene where a user is located; inputting the light environment data into at least one trained visual prediction model for visual comfort correlation analysis to obtain a visual comfort correlation structure corresponding to the light environment data; determining a target visual prediction model based on the visual comfort correlation structure; the light environment scene where the user is located is analyzed through the target visual prediction model, the visual comfort evaluation result is output, and by applying the method, the reliability, accuracy and effectiveness of light environment ergonomics visual comfort evaluation can be improved.

The invention discloses a tunnel light environment dynamic dark adaptation experiment method based on driver view, and relates to the technical field of tunnel illumination, and the method comprises the steps: collecting the view data and behavior data of a driver, obtaining the perception data of the driver in real time, and obtaining a driver view behavior data set; through a light source configuration strategy, tunnel illumination changes are simulated in combination with the virtual reality environment, experiment simulation is conducted, the visual adaptation process of a driver is evaluated, and virtual reality experiment evaluation data are obtained; and based on virtual reality experiment evaluation data, analyzing a visual adaptation condition of a driver and feeding back and adjusting a light source configuration strategy, obtaining a light adaptation strategy, and combining real-time driver feedback data and light environment changes to generate a light adaptation adjustment scheme. The visual comfort, alertness and safety of the driver are improved, the fatigue feeling caused by uncomfortable illumination is reduced, and the safety and comfort of tunnel driving are effectively improved.

An adaptive display buffering method for enhanced visual comfort includes: original display data is obtained from an off-screen display buffer; an encoded vector is generated based on the original display data, and content feature scoring is performed based on the encoded vector; content features of the original display data are modified based on the content feature scoring and a user gaze direction, and a content regulator applies different modification methods to a foveal region and a peripheral region; and modified display data is stored into an on-screen display buffer. An adaptive display buffering system for enhanced visual comfort is also provided.

The invention provides an information processing method and device, equipment and a medium. The method comprises the steps that the stroboscopic frequency of ambient light is determined; determining a first exposure parameter according to the stroboscopic frequency of the ambient light; determining the brightness fluctuation state of the ambient light according to the first exposure parameter; determining a target multiple value corresponding to the stroboscopic period of the ambient light according to the brightness fluctuation state of the ambient light; and outputting the multimedia content according to the target multiple value and the stroboscopic period of the ambient light. The stroboscopic phenomenon can be reduced or even eliminated, so that the output image quality of related content is optimized, the visual comfort of human eyes is improved, and eye fatigue is relieved.

The utility model discloses an 84-bead operation illuminating lamp, relates to the technical field of medical instruments, and solves the problems that an existing operation illuminating lamp usually only generates one kind of white light during use, and can cause visual fatigue of medical staff and reduce the concentration ratio of vision during long-term use, and the 84-bead operation illuminating lamp comprises a first mechanical wall connected with a cantilever, one end of the first mechanical wall is rotationally connected with a second mechanical wall; during use, the distribution state of the yellow bulbs and the white bulbs can improve the adjustment of color temperature, the green light compensation function of the green bulbs can relieve the visual fatigue of medical staff in a long-time operation, the stimulation of green light waves to eyes is relatively small, the attention and the working efficiency of the medical staff can be kept, and the medical staff can be prevented from being damaged. According to the function, a green operation environment is created, visual fatigue can be relieved, and medical workers can keep good visual comfort and concentration degree in the long-time operation process.

Provided in the present application are vehicle window glass and a vehicle. The vehicle window glass comprises laminated glass and an anti-reflection layer, wherein the vehicle window glass has a signal transmission area, and the projection of the anti-reflection layer in the signal transmission area at least completely covers the signal transmission area; when observed from the outside of a vehicle, a reflection color, on the vehicle window glass, of visible light incident at an angle of 60° has a Lab1 value, where a1≤0 and b1≤0; and when observed from the inside of the vehicle, a reflection color, on the vehicle window glass, of visible light incident at an angle of 60° has a Lab2 value, where a2≤0 and b2≤0. By means of the vehicle window glass and the vehicle which are provided in the present application, reflection colors of visible light on the vehicle window glass, when observed from the outside and inside of the vehicle, are both neutral colors, so that the problems caused by an anti-reflection layer, such as a camera capturing reddish images, captured images being blurred, and visual comfort being affected, are solved, thereby ensuring the photographic effect of a camera device, enabling a LiDAR and the camera to share a window, and facilitating a functional integrated layout design of the vehicle window glass.

The invention discloses a lens and a lens customization design method, belongs to the field of ophthalmosurgery devices, and is used for treating myopia, realizing compensation of ocular refraction, and realizing accurate quantification and design optimization of scattering performance by processing the lens through target angle resolution scattering distribution and target surface power spectral density based on the lens. And determining the target optical structure parameter of the lens based on the target optical performance parameter, thereby realizing quantitative correlation between the microstructure parameter and the optical performance of the lens, and improving the design credibility. Target angle resolution scattering distribution of the processed lens accords with ideal Lambert scattering characteristics, retina illuminance distribution is effectively homogenized, and local light intensity peak value is reduced, so that image signal contrast is reduced, high light transmittance is maintained, specific light scattering control is realized, visual comfort is remarkably improved, myopia is treated, asthenopia symptoms are relieved, and the lens has good application prospects. And scattering characteristic parameters can be adjusted according to different user requirements.

The invention belongs to the technical field of illumination control, and particularly relates to a stroboflash-free eye-protection lamp based on high-frequency constant-current driving and a control method thereof, and the stroboflash-free eye-protection lamp comprises a power conversion module, a high-frequency constant-current driving module, a light source module, a current sampling module, a signal processing module and a feedback adjustment module. The power supply conversion module is used for accessing power frequency alternating current electric energy, rectifying and filtering the power frequency alternating current electric energy and outputting direct current basic voltage; and the high-frequency constant-current driving module is connected with the power supply conversion module and is used for receiving the direct-current basic voltage, converting the direct-current basic voltage into high-frequency pulse voltage and driving the light source module to work in a high-frequency modulation mode. According to the utility model, the visual comfort of the light source can be improved, the problem of low-frequency pulsation existing in a simple direct-current conversion circuit is effectively solved, it is ensured that no stroboscopic stripe appears in a fast moving sight line or a shooting scene, and the technical advantage and the practical value are remarkable.

The invention discloses a panel lamp multi-area light source cooperative control management system, and relates to the technical field of intelligent illumination, and the system comprises a request receiving module, a layout management module, an initial calculation module, a cooperative optimization module and an instruction execution module. The system calls corresponding partition light source distribution information from a light source layout database by receiving a cooperative regulation and control request containing a target area identifier and a preset light environment parameter. According to the preset light environment parameters and the partition light source distribution information, a light field coupling calculation model is used for generating a driving parameter initial value set for the independent controllable light sources in the logic partitions. And then, iterative optimization is carried out based on the initial value set and a preset cooperative constraint rule, and a final driving parameter set meeting the smooth transition requirement of the cross-partition light field is obtained through solving. And finally converting the parameter set into a control instruction to be distributed and executed. According to the invention, the illumination uniformity and the visual comfort are improved.

This invention belongs to the field of intelligent lighting technology, and discloses an intelligent adjustment method and system for the spectrum of quantum dot luminaires; aiming to solve the problem that existing lighting systems cannot meet the needs of personalized and healthy lighting. First, multi-dimensional data acquisition is used to obtain user biorhythms, environmental spectra, usage scenarios, user preferences, and physiological health data to construct a feature dataset; then, human-caused optical features are extracted and cross-contextual needs analysis is performed to establish a spectral response model; based on this model, the photoelectric properties of quantum dot materials are mapped and spectral synthesis modeling is performed to determine the luminescence parameter space; a spectral optimization model is constructed, comprehensively considering visual comfort, energy efficiency, and health impacts for multi-objective optimization, generating a dynamic spectral control strategy; based on real-time physiological feedback, closed-loop verification and adaptive optimization are performed to form an intelligent spectral adjustment scheme. This invention fully leverages the spectral tunability advantage of quantum dot materials, realizing truly personalized intelligent lighting.

The invention belongs to the technical field of LEDs, and particularly relates to a double-cup double-color high-color-rendering LED light source and a packaging technology thereof.The double-cup double-color high-color-rendering LED light source comprises a packaging support, a first cup body and a second cup body, the first cup body and the second cup body are arranged on the packaging support, and the first cup body and the second cup body are both PCT or EMC bowl cups; a blue light wafer is arranged in the first cup body, the dominant wavelength of the blue light wafer is 450-460 nm, a purple light wafer is arranged in the second cup body, and the peak wavelength of the purple light wafer is 405-415 nm. The method at least has the following advantages that the photobiological characteristics are highly matched with sunlight, the super-high color rendering performance is similar to the natural spectrum, and the performance stability, the visual comfort and the application adaptability in the wide color temperature adjusting range are excellent.

The present disclosure relates to a game picture enhancement method and device, electronic equipment and medium, and belongs to the technical field of intelligent cockpit. The method comprises the following steps: determining the game type of a game to which a game picture belongs based on the game picture required to be displayed by a vehicle machine; obtaining in-vehicle environment information of a cockpit in which the vehicle machine is located; and performing picture quality enhancement on the game picture based on the game type and the in-vehicle environment information. By coordinating the game type with the actual in-vehicle environment information in the cockpit, different visual requirements of the game picture can be met when facing different game types, immersive fusion of the game world and the cockpit space is realized, and the display quality of the game picture is improved. Further, the game and the cockpit environment can be intelligently matched, the visual comfort of the game picture can be ensured without manual adjustment by the user, and the experience of the user is improved.

The application discloses a wireless intelligent iris system, which comprises a controller and an electronic corneal contact lens located on the visual axis, and the controller is wirelessly connected with the electronic corneal contact lens. The controller comprises a light intensity sensor, a microprocessor and a wireless energy emission module. The electronic corneal contact lens comprises a wireless energy receiving module, a ring-shaped transparency adjustable diaphragm and a corneal contact lens front base and back base for encapsulating the wireless energy receiving module and the transparency adjustable diaphragm. The light intensity sensor on the controller converts the environmental light intensity into an electric signal and transmits the electric signal to the microprocessor. The microprocessor controls the electric energy to act on the specific diaphragm through the wireless energy emission module and the wireless energy receiving module on the electronic corneal contact lens, thereby independently controlling the visible light transmittance of each layer of diaphragm. When the transparency of the diaphragm gradually changes and expands from the inner circle to the outer circle, the light entering the eye can be adjusted, thereby improving the vision and visual comfort.

The embodiment of the invention provides a display method of a user interface of virtual reality equipment and the virtual reality equipment, and relates to the technical field of VR. The method includes: acquiring diopter and interpupillary distance of a user; according to the diopter and the interpupillary distance, determining a display distance and an interface size of a first user interface of the virtual reality device, the display distance being used for representing a distance between the first user interface and a user virtual viewpoint in a virtual environment constructed by the virtual reality device, the interface size is used for representing the spatial scale of the first user interface in the virtual environment; and displaying the first user interface in the virtual environment according to the display distance and the interface size. The embodiment of the invention is used for improving the visual comfort of the user and the universality of the VR equipment.

The utility model discloses a light-sensitive self-adaptive anti-drop mobile phone film. The light-sensitive self-adaptive anti-drop mobile phone film comprises a PET release film, an AB adhesive layer, an eye-protecting color-changing film, a tempered film and an AF smooth layer which are sequentially connected from bottom to top. The eye-protecting color-changing film automatically adjusts the color temperature of the screen through a photosensitive material and filters harmful blue light; a honeycomb buffer structure is arranged in the tempered film and combined with an arc-shaped edge to disperse impact force; and the AF smooth layer improves the touch smoothness. Each layer is subjected to composite structure and material optimization, and light sensation self-adaption, anti-falling protection and visual comfort are synergistically improved while the ultra-thin thickness is maintained.

The invention relates to the technical field of intelligent illumination control, and discloses a light brightness adaptive adjustment method and system for an outdoor lamp. The method comprises the following steps: fusing multi-source heterogeneous sensor information to construct a dynamic environment perception scene map, and generating a stage illumination demand blueprint; performing noise filtering and confidence fusion on the real-time monitoring data to form a high-credibility environment state snapshot; performing multi-target collaborative optimization calculation based on the demand blueprint and the environment snapshot in the virtual illumination control space, and generating a preliminary regulation and control instruction; and finally, a final brightness control signal is output after physical constraint checking and smoothing processing. According to the method, active perception and foresight regulation and control of the complex outdoor environment are achieved, and the energy-saving effect and the visual comfort degree are optimized on the premise that safe illumination is met.

A veiling glare reduction system comprising a glass dashboard part providing increased driver visual comfort, particularly a glass dashboard part arranged so that light passing through the windshield and reflected off the glass dashboard surface is partly reflected by the inner windshield surface towards a driver position providing a reduced veiling glare. A head up display system provided with a glass dashboard part having reduced veiling glare is also provided.

The application provides a kind of car interior intelligent light control method and system, it is related to car interior intelligent light control technical field, wherein the method comprises: obtaining the influence information of car interior lamp to driver future driving car;Based on the influence information, decision influence elimination light control scheme;Based on influence elimination light control scheme, control car interior lamp.The application obtains the influence information of car interior lamp to driver future driving car, based on its decision influence elimination light control scheme, finally based on the influence elimination light control scheme of decision, control car interior lamp, realize real-time elimination of the influence of car interior lamp to driver future driving car, avoid affecting the visual comfort and sensory experience of driver, more avoid increasing driving risk.

The invention discloses a pulse laser-based myopia prevention and control lens processing method and system. The method comprises the steps of planning distribution and morphology of micro-optical structures on a lens according to user parameters; fixing the lens on a processing system; the method comprises the following steps of: selectively processing a microstructure array of a transition area and a peripheral functional area on the surface or inside a lens by adopting pulse laser through cooperative control of a galvanometer and a displacement platform, wherein the transition area is positioned on the outer side of a central non-processing area; wherein the structural size of the transition area is distributed in a gradual change mode, so that visual buffering is achieved. According to the invention, the cold processing characteristic of the pulse laser is utilized, the construction of a die-free and high-precision three-dimensional micro-optical structure is realized, the prepared lens can form an effective myopic defocus signal at the periphery of the retina while the central vision is ensured to be clear, and the lens has the advantages of high light transmittance, good visual comfort, high individuation degree and the like.

The application provides a display method of a head-up display device, a head-up display system and a carrier. The display method comprises the following steps: obtaining a gaze point position of both eyes in a virtual image display area; determining a gaze area in the virtual image display area according to the gaze point position; and performing 2D image display on at least part of a target 3D information image if the target 3D information image is located outside the gaze area. The embodiment of the application can reduce the vergence-accommodation conflict and the visual separation of a user, thereby improving the visual comfort of the user and reducing the fatigue of the user.

The application is suitable for the technical field of lamp effect control, and provides a lamp effect control method, a sound and an atmosphere lamp device. The method comprises the following steps: after detecting a current rhythm point, first determining an expected cut-off position of a lamp effect according to an intensity value of the current rhythm point, a starting lamp bead position of a lamp strip and an end lamp bead position of the lamp strip, then performing phase conversion on the expected cut-off position to obtain a target motion phase; if it is determined that phase resetting is needed according to the target motion phase and a current motion phase, then controlling the lamp effect motion according to the predicted cut-off position. After detecting the rhythm point, the application immediately detects whether lamp effect adjustment is needed, instead of forcibly completing the current motion cycle, thereby eliminating the problem of response lag under high-frequency rhythm. In addition, the application performs phase resetting only when the phase deviation reaches a threshold value, thereby avoiding the jump, flicker and motion disorder caused by simple hard interruption, making the lamp effect start and stop and turn naturally smooth, and significantly improving the visual comfort.