11516results about "Cathode-ray tube indicators" patented technology

The invention discloses a global dynamic optimization system for an ultra-high-definition glass-based display screen. The operation process of the system specifically comprises the following steps: acquiring a real-time state data set of the display screen; generating an initial optimization parameter set based on a preset optimization strategy and the user behavior model; capturing a user interaction signal and an environment change signal in real time; generating a dynamic correction coefficient set according to the user interaction signal and the environment change signal; performing global parameter fusion based on the initial optimization parameter set and the dynamic correction coefficient set to generate a target optimization instruction set; and feeding back an optimization effect evaluation table based on the optimization effect. The method has the following advantages and effects: collaborative optimization and thermodynamic balance of global display parameters are realized, the system can balance visual experience improvement and thermal diffusion suppression requirements in real time through multi-dimensional data fusion and global parameter collaborative calculation, and the system can improve the visual experience while enhancing local contrast and optimizing color rendition. And actively inhibiting the temperature rise of the screen through thermodynamic equilibrium constraint.

The invention relates to the technical field of display control, in particular to a display self-monitoring method and system and a display, and the method comprises the following steps: collecting light intensity data, comparing and classifying ambient light as low light, strong light or reflected light with a preset standard, judging whether a real-time color temperature and a standard color temperature difference value exceed a threshold value, if yes, adjusting the color temperature and the brightness, and if not, adjusting the brightness; pixel RGB channel proportions are extracted frame by frame, a color gamut distribution diagram is generated, restoration instruction time features are recorded, the color temperature adjustment trend is counted, and a backlight gradient compensation mode is generated. In the invention, the light intensity around the display is monitored in real time, the light intensity is compared with the preset illumination condition, and the ambient light condition is automatically classified, so that the display can adjust the color temperature and the brightness according to different illumination environments, and the backlight drive of the display is adjusted in time by analyzing the coverage areas of the red, green and blue channels in the display frame frame by frame; the adaptive capacity and the long-term stability of the display under variable illumination conditions are improved, and more optimized visual experience is provided for users.

The invention relates to the technical field of display screen color adjustment, and discloses a display screen color adjustment method and system based on environment information, and the method comprises the steps: obtaining display content data, environment color data, environment light data and a display screen type of a display screen; calculating color perception data according to the environment color data and the display screen type, and performing data processing on the color perception data to obtain chromaticity feedback data; establishing a relationship between the ambient light data and user preferences through a support vector machine method to obtain user evaluation data; inputting the chromaticity feedback data and the user evaluation data into a color correction model to obtain color adjustment data; classifying the display content data and calculating a type weight index through a squirrel optimization algorithm to obtain a weight index; and generating a color adjustment instruction according to the color adjustment data and the weight index, and performing adaptive adjustment on the display content. The method solves the problems that the color adjustment of the display screen has high requirements on a light source environment and is strong in subjectivity.

A vehicular driver monitoring system includes an interior rearview mirror assembly including a mirror head that accommodates a mirror reflective element, a video display screen, and a driver monitoring camera that views at least a driver's head region of the cabin of the vehicle. The vehicular driver monitoring system, based at least in part on processing of image data captured by the driver monitoring camera, determines a gaze direction of the driver. Based at least in part on determination that the gaze direction of the driver is directed is toward the mirror assembly, the video display screen is electrically operated to display video images at a first brightness, and responsive to determination that the gaze direction of the driver is not directed toward the mirror assembly, the video display screen is electrically operated to display video images at a second brightness that is less than the first brightness.

The invention discloses a display color adjustment method and system, and the method comprises the steps: collecting the spectral data of ambient light in real time through a multispectral sensor according to the environment where a display is located; according to the visual preference of the user, utilizing a visual response model to extract visual features of the user; according to the environment light field dynamic data set and the user visual preference data set, color parameters of a display are adjusted through a dynamic optimization algorithm, and optimized color parameters are generated; according to the optimized color parameters, color presentation of the display is adjusted in real time through a color management engine, and the color management engine ensures low delay and high precision of color adjustment through a streaming computing technology and a distributed architecture to generate a final display effect. According to the embodiment of the invention, the method can adapt to the change of ambient light in real time, considers the visual preference of a user, and achieves the efficient and precise color adjustment.

The invention relates to the technical field of display screen driving, in particular to a low-power-consumption display screen driving method and system based on the OLED technology, and the method comprises the steps: S1, carrying out the image feature detection, collecting the inter-frame brightness change rate, the sub-pixel gray level distribution and the regional temperature gradient, and generating a dynamic driving signal parameter; s2, voltage compensation adjustment: dividing a power consumption area according to a brightness change rate, calculating a brightness compensation coefficient and correcting the voltage by combining gray level distribution and a temperature gradient, and realizing sub-pixel voltage dynamic adjustment; and S3, refresh frequency control: adjusting a local refresh rate according to the compensation coefficient and the correction voltage, executing a frequency reduction strategy on a high-power-consumption area, triggering ghosting suppression on a low-power-consumption area, and applying a temperature threshold to constrain a refresh upper limit. According to the invention, energy-saving driving, ghost suppression and brightness balance of the OLED display screen are realized, and the display performance and the system intelligence are effectively improved.

The present invention relates to an aperture unit having an optical axis. The aperture unit includes a fixed portion, a guiding element, a first blade and a driving assembly. The guiding element is movably connected to the fixed portion, and the first blade is movably connected to the guiding element and the fixed portion. The driving assembly is disposed on the guiding element for driving the guiding element to move relative to the fixed portion in a first moving dimension. When the guiding element moves relative to the fixed portion in the first moving dimension, the first blade is driven by the guiding element to move relative to the fixed portion in a second moving dimension, and the first moving dimension and the second moving dimension are different.

An interactive device is described that is configured to: display an output of a remote device, wherein an output delay exists between the output being generated by the remote device and the output being displayed on the interactive device, generate an interaction data in dependence on an interaction with the interactive device at a location, transmit the interaction data to the remote device, display an updated output of the remote device, the updated output being generated by the remote device subsequent to receiving the interaction data, wherein the interactive device being further configured to: generate an interaction image of an area of the updated output of the remote device corresponding to the location of the interaction, determine an interaction indication in dependence on the interaction image, displaying an interaction indication on the interactive device at a location of one or more further interactions with the interactive device.

An information provision device, information provision method, and a non-transitory recording medium storing a program for causing a computer to execute the information provision method. Each of the information provision device and the information provision method includes projecting an image light to a light transmission member to display a for-driver information image indicating for-driver information to be provided to a driver of a mobile object in a prescribed display area, and displaying at a first point where a normal for-driver information image is displayed a priority for-driver information image in place of the normal for-driver information image, where the displaying includes displaying the normal for-driver information image at a second point different from the first point for at least some of a period during which the priority for-driver information image is displayed at the first point.

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.

Methods and apparatus for generative rendering. In some embodiments, an input visual content is operated on by a computational to perform a computer vision function and output generative display content. The generative display content may overlay the input content to be shown on a display system. In some embodiments, the generative display content replaces the video input stream for display.

Some embodiments provide a method for initiating a video conference using a first mobile device. The method presents, during an audio call through a wireless communication network with a second device, a selectable user-interface (UI) item on the first mobile device for switching from the audio call to the video conference. The method receives a selection of the selectable UI item. The method initiates the video conference without terminating the audio call. The method terminates the audio call before allowing the first and second devices to present audio and video data exchanged through the video conference.

The invention relates to the technical field of XR display screens, and discloses a high-resolution rendering method and system for an XR display screen, and the method comprises the steps: carrying out the distributed sampling of the optical characteristics of the XR display screen, obtaining a four-dimensional rendering sampling matrix, executing the Latin hypercube sampling, and obtaining a plurality of rendering parameter combinations and corresponding high-resolution rendering image data; performing spatial geometric correction processing on the rendering parameter combination and the high-resolution rendering image data to obtain spatial geometric correction parameters; performing local enhancement processing on the fixation point coordinate sequence and the space geometric correction parameter to obtain local resolution enhancement data; and calculating rendering channel parameters of a plurality of display channels according to the spatial geometric correction parameters and the local resolution enhancement data, and executing multi-channel synchronous control to obtain target stereo image display parameters, thereby improving the rendering quality and the calculation efficiency of XR display, and reducing the resource consumption of the system at the same time.

The invention relates to the technical field of display, and particularly discloses an intelligent self-adaptive eye protection display system which sequentially comprises a content analysis module, an ambient light detection module, an eye protection parameter calculation module, a display parameter adjustment module and a user feedback module. The system identifies the screen content type and the dynamic degree in real time, synchronously detects the ambient light intensity and the color temperature, obtains the optimal combination of the blue light proportion, the brightness, the contrast ratio, the color temperature and the sharpness through a multi-target optimization model, and smoothly adjusts the display through driving; a user can score, finely adjust and mark a scene, and feedback data enters a self-learning engine to iteratively update a parameter weight so as to form a content-environment-user closed loop. The system can significantly reduce blue light harm and improve visual comfort without external hardware.

The invention relates to the technical field of electronic equipment, and discloses a screen projection method and device and electronic equipment, which are used for realizing multi-screen simultaneous watching during different-source screen projection. The method is applied to a screen projection system and comprises the steps that first electronic equipment responds to screen projection operation of a user for an application, creates a first virtual screen and generates a user interface of the application on the first virtual screen; the first electronic equipment can copy the user interface generated on the first virtual screen to the display screen of the first electronic equipment for display while projecting the user interface of the application generated on the first virtual screen to the second electronic equipment, so that multi-screen simultaneous watching of the first electronic equipment and the second electronic equipment is realized.

A multi-view (MV) system with multiple MV displays utilizes state information to assign personalized versions of content to display to viewers, thereby providing a coordinated MV display experience. These systems may include a sensing system for detecting viewers and other environmental conditions, and a controller to manage the content assignments for the MV displays. The controller can manage the viewer states, viewer state transitions, and content assignment changes based on changes of those viewers and conditions. The systems can be utilized to simultaneously present coordinated and personalized content to multiple viewers of multiple MV displays.

Disclosed are apparatuses, systems, and techniques that reduce latency of frame processing pipelines. The techniques include but are not limited to causing a display to set a refresh rate that matches a frame rendering rate of an application and rendering, with the frame rendering rate, a plurality of frames. Rendering frames includes generating, using a first processing unit, sets of instructions associated with respective frames and generated starting at times spaced with the refresh rate, processing, using a second processing unit, the sets of instructions to render the frames, and causing the display to display the rendered frames.

In some examples, an electronic device includes a first display device including a first sensor and a second display device including a second sensor and a controller to, in response to a detection of a user presence via the first sensor, cause the first display device to display a focus indicator, and in response to a detection of the user presence via the second sensor, cause the second display device to display the focus indicator.

An image processing method and apparatus, and an electronic device (1000) and a storage medium (1100). The image processing method is applied to a display screen, and comprises: on the basis of a time-window weight and historical brightness images, recording historical heat time accumulation information of a display screen, so as to obtain the current heat time accumulation image of the display screen, wherein the time-window weight is used for describing a weight coefficient of the current impact of the historical brightness images in a time window up to the present moment on the temperature of the display screen (S100); and on the basis of the heat time accumulation image, compensating a first image frame among a plurality of image frames to be displayed on the display screen, so as to obtain a first compensated image frame after compensation, wherein the first compensated image frame is used for driving the display screen to present the first image frame (S200). In the image processing method, an image frame displayed on a display screen is compensated, thereby preventing the problem of afterimage caused by differences in LED luminous efficiencies and thermal effects resulting from prolonged image display.

The invention discloses a liquid crystal display screen efficient refresh rate control method and system and a medium, and relates to the technical field of display screen control. The method comprises the steps of obtaining a display state of a display screen; constructing cascade refreshing logic and deploying a driving controller; the method comprises the following steps: carrying out first-order display partitioning in a display mode, carrying out second-order display partitioning in a mode plate, matching a distributed refresh rate interval and writing the interval into a register, determining a real-time refresh rate by taking the distributed refresh rate interval as a constraint according to interface dynamics, and generating a vertical synchronizing signal by taking a necessary pixel region as a refreshing target. And writing the vertical synchronizing signal into a register, and performing display state refreshing control on the display screen. The technical problems that in the prior art, control over the refresh rate of a liquid crystal display screen is not flexible, the refresh rate cannot be accurately adjusted according to different display states and interface dynamics, energy consumption is high, and the display effect is poor are solved, the refresh rate is adjusted in a self-adaptive mode according to the interface dynamics, and the technical effect of reducing energy consumption while the display performance is guaranteed is achieved.

The invention relates to the technical field of liquid crystal display, in particular to a liquid crystal display driving control method and system. Comprising the following steps: SS01, multi-modal sensing and state triggering: fusing a user distance, a fixation point coordinate and ambient light illumination in real time by using an integrated sensor, and triggering an eye protection mode or a self-adaptive sleep mechanism according to the user distance, the fixation point coordinate and the ambient light illumination, SS02, image partitioning and strategy generation: dividing a screen into N * M partitions, and SS03, distinguishing a dynamic region from a static region according to the brightness histogram and the motion vector of each partition, and outputting differentiated refresh rates and backlight strategies, and SS03, performing big data learning and model optimization, and collecting user behaviors. The system has the advantages that the infrared proximity sensor, the eyeball tracking sensor, the distance sensor and the ambient light sensor are integrated through the multi-mode sensing and state triggering module, multi-dimensional data such as user distance, fixation point coordinates and ambient light illuminance are fused in real time, and active intelligent sensing of the user state and the environment is achieved.

The invention relates to the technical field of panel display brightness adjustment, and discloses a panel display module brightness adjustment method based on multi-sensor fusion. The method comprises the following steps: collecting multi-source sensor data of a panel display module; processing multi-source sensor data by using a dynamic feature fusion algorithm, distributing dynamic weights according to the real-time confidence of each sensor data source through a weighted fusion mechanism, and generating a brightness adjustment feature set; constructing a dynamic brightness adjustment index table, representing display partition brightness parameters by nodes, representing visual relevance among display partitions by edges, and updating node attributes and edge relevance strength in real time based on an environment change triggering mechanism; according to the brightness adjustment feature set, executing hierarchical association extension calculation in a dynamic brightness adjustment index table, and dynamically determining a brightness optimization action range; and in the optimization action range, synchronously analyzing the color deviation tolerance, the power consumption constraint condition and the visual comfort index through a multi-dimensional evaluation algorithm, and generating a brightness adjustment decision parameter.

The invention relates to the technical field of multi-screen display, in particular to a multi-screen display picture control method and system for an unmanned aerial vehicle, and the method comprises the following steps: comparing the flight height with an obstacle position parameter according to the flight path planning data of the unmanned aerial vehicle and real-time obstacle information; and performing path segmentation calculation of adjacent areas by combining the speed and the flight direction of the unmanned aerial vehicle, evaluating the minimum safety distance of the obstacle, and outputting a path planning safety coefficient. According to the invention, through multi-parameter dynamic comparison of the flight height, the obstacle position, the speed and the direction, the flexibility of path adjustment and the obstacle avoidance precision are improved, and the dynamic distribution of the flight picture and state information is combined with the view angle switching position parameters, so that efficient distribution of multiple devices is realized; real-time environment data processing is combined with image frame feature extraction and region division scheduling, navigation data priority distribution is optimized, information synchronization is optimized through path overlapping parameters and communication delay, and multi-machine cooperation efficiency and task execution reliability are improved.

The invention provides a visual fatigue relieving method based on ambient light self-adaption and an AI algorithm, and relates to the technical field of visual health protection. The visual fatigue relieving method based on ambient light self-adaption and the AI algorithm comprises the following specific steps: S1, data acquisition: acquiring a user eye image sequence in real time through a high-frame-rate camera; and S2, parameter extraction: when the user uses the eye for the first time, testing the eyes by combining the adjustable light source with ambient light. Multi-dimensional features (such as eyeball movement, blinking mode, pupil function and the like) of eyes are collected in real time through a high-frame-rate camera, an individualized base line is established and a fatigue rate value is dynamically calculated in combination with data of an ambient light sensor, and conversion from passive response to active prevention is realized. Through a hierarchical intervention strategy (such as brightness adjustment, blue light control and forced rest), the visual load is remarkably reduced, the intervention efficiency is improved, and the problem of insufficient adjustment hysteresis and individual adaptability in the prior art is solved.

According to an example embodiment, an electronic device outputs, on a second display screen, a page layout output on a first display screen along with another page layout grouped together with the page layout in response to a screen switch from the first display screen to the second display screen having a greater display area than a display area of the first display screen, and switches the grouped page layouts in response to a swipe input being detected.

An electronic device and method are disclosed. The electronic device includes a first and second housing movable relative to each other. The second housing supports a flexible display which may be at least partially exposed to an exterior, and at least partially stowed within the first housing based on the movement of the housings. A processor implements the method including detecting movement of the housings such that a visible display area of the display is changed, detecting whether the resizing meets a predetermined condition, and if resizing does not meet the predetermined condition, executing image processing on a portion of the resized visible display area.

The invention provides a backlight dynamic refreshing method and system based on content change frequency, and is applied to the field of image data processing. According to the method, the inter-frame variable quantity of the current image content of the display screen is pre-collected, whether the image refreshing speed is matched with the backlight response or not is judged, the pixel change rate in unit time is calculated based on the frame difference method, the content change frequency index is reasonably divided, the backlight PWM parameters are dynamically adjusted in combination with user setting, and the display quality is improved. The response coordination of the display screen under the dynamic image is effectively improved, when the frame rate fluctuation is recognized, the gray scale compensation frame is introduced and the brightness change slope is limited, and the problems of smear, splash screen and the like caused by asynchronous refreshing can be relieved.

A HUD includes an image generation unit and a controller. The image generation unit emits first light for generating a first virtual image object to be displayed at a position apart from a vehicle by a first distance, and second light for generating a second virtual image object to be displayed at a position apart from the vehicle by a second distance longer than the first distance. The controller controls the image generation unit. The controller causes information being displayed on at least one of the first virtual image object and the second virtual image object to be displayed on the other of the first virtual image object and the second virtual image object, based on information related to traveling of the vehicle and an instruction from an occupant of the vehicle.