78 results about "Frame rate control" patented technology

The invention discloses a display panel, a driving method and device thereof and a computer readable storage medium, and belongs to the technical field of display. The driving method of the display panel comprises the following steps: acquiring the number of carry points of a single reference sample in a preset frame rate control algorithm; configuring a jitter pattern according to the number of the carry points, wherein the jitter pattern is used for keeping the same number of times that each carry point presents positive polarity and negative polarity in cycle display of a specified frame number; and driving the display panel based on the jitter pattern and a preset frame rate control algorithm. According to the method, the preset frame rate algorithm is optimized by configuring the jitter pattern capable of keeping the number of times that each carry point presents the positive polarity and the negative polarity in the cycle display of the specified frame number, and the problem that the display effect is poor due to the fact that the jitter scheme of the preset frame rate algorithm is poor can be avoided.

Detailed camera systems and methods achieve rich light field sampling within limited cost and power constraints. Exemplary arrangements include designs for heterogeneous array cameras, including multifocal arrays, arrays matching depth of field to have uniform pixel density, array-aware focus, exposure and frame rate control, multispectral arrays, and multiscale arrays. One embodiment incorporates lens assemblies of two different types: a first type in which all lens elements move under control of a focus actuator, and a second type in which only some of the lens elements move under control of a focus actuator—the others are stationary. A great number of other features and arrangements are also detailed.

The invention relates to the technical field of ship intelligent navigation, and provides a dynamic rendering engine implementation method and system based on multi-source data fusion, and the method comprises the steps: collecting multi-source data in real time, carrying out the preprocessing, and obtaining multi-modal data; performing time alignment and coordinate transformation on the multi-modal data through space-time registration, performing prediction through adaptive Kalman filtering, calculating a residual error according to prediction data, and performing sensor anomaly detection according to the residual error; carrying out weighted fusion according to the state of the sensor, carrying out Mercator projection transformation on fused data to obtain rendering coordinates, and carrying out detail level marking according to the rendering coordinates; performing alarm judgment according to the detail level marks, and performing rendering sorting according to the alarm judgment; and carrying out load detection and rendering parameter adjustment through a frame rate control module according to the rendering sequence. According to the invention, the whole process optimization from data acquisition and processing to visual display is realized, the navigation precision and reliability are improved, and the ship navigation safety is improved.

The invention provides a dynamic frame rate control multi-target tracking method based on reinforcement learning, and aims to improve the adaptive capability and tracking performance of a video processing system in a computing resource limited environment. According to the method, a video is divided into fixed time windows, multi-dimensional features including target motion features, frame rates, system state information and the like in the windows are extracted, and state vectors are constructed and input into a reinforcement learning model to predict frame rate adjustment actions of the next window. The system controls frame rate switching according to the action confidence, and calculates an award by comparing the current tracking performance with the reference performance for feedback policy performance. The method combines proportional frame rate control, frame rate smooth transition and a cooling period mechanism, realizes dynamic balance between tracking performance and computing resources, and is suitable for scenes of edge computing, intelligent monitoring and the like.

The invention provides a low-power-consumption display module system based on refresh rate dynamic switching. The low-power-consumption display module system comprises a driving integrated circuit, a storage module and a frame rate control module. Wherein when the high frame rate mode and the low frame rate mode are switched, the driving integrated circuit does not need to burn driving codes again, frame rate switching is achieved by switching a parameter table in real time and synchronously updating the MI PI clock frequency, the switching delay is smaller than or equal to 20 ms, and the Gamma voltage curve deviation corresponding to the high frame rate and the low frame rate is smaller than or equal to 0.1 V. Through the combined design of pre-burning full codes and dynamic parameter switching, remarkable technical advantages are formed in the aspects of frame rate switching speed (smaller than or equal to 20 ms), power consumption control (amplification is smaller than or equal to 35%) and display stability (brightness fluctuation is smaller than or equal to 5%), and the industrial application value is achieved.

The invention discloses a window frame rate control method and electronic equipment, and relates to the technical field of electronic equipment. The window frame rate can be controlled, the frame rate of the focus window is ensured, and the smoothness of operating the focus window by a user is improved. The method comprises the steps that the electronic equipment can obtain the system load size; when the size of the system load is the first load, the first window is displayed at a first frame rate, the second window is displayed at a second frame rate, the first window and the second window are windows displayed on the display screen, the first window is a non-focus window, the second window is a focus window, and the first frame rate is lower than or equal to the second frame rate. Then, the size of the system load is increased from the first load to a second load, when the size of the system load is the second load, the electronic equipment displays the first window at a third frame rate or displays the second window at a second frame rate, and the third frame rate is lower than the first frame rate and the second frame rate.

The electronic device may include: an image input unit; a display; a memory storing instructions; and at least one processor operably connected to the image input unit, the display, and the memory. The at least one processor may be configured to execute the instructions to: receive data about a first frame through the image input unit; generating first screen data on timing control and frame rate control of the first frame, and storing the first screen data in a memory; stopping generation of new screen data for controlling the display, the generation of the new screen data being stopped based on a difference between a first pixel value of the first frame and a pixel value of a frame following the first frame being not greater than a predetermined value; and controlling the display to display the screen based on the first screen data.

The invention relates to an unmanned aerial vehicle channel perception adaptive image transmission device and method. The method comprises the following steps: detecting current transmission channel parameters in real time, wherein the channel parameters comprise but are not limited to received signal strength, a signal-to-noise ratio and a packet error rate; the method comprises the following steps of: obtaining real-time image data by using a camera, performing de-noising processing on the image data, and outputting the de-noising processing; detecting and analyzing whether an obvious abnormal image appears in the image data, combining with the current transmission channel parameter, adaptively and dynamically adjusting a coding parameter to carry out coding control and frame rate control, the abnormal image including a blurred screen or / and mosaic in the image; according to the method, the channel state can be sensed in real time, the transmission code rate and the frame rate can be automatically adjusted according to the complex environment and the changing scene so as to meet the image transmission requirements of different environments, the overall energy consumption can be reduced by automatically adapting the transmission bandwidth, and the transmission efficiency can be improved. And low-delay transmission can be better realized.

The invention discloses a frame rate control method and device, equipment, a storage medium and a computer program product, and the method comprises the steps that an application layer responds to a first operation of shooting control, and issues a first instruction for triggering frame rate adjustment to a hardware abstraction layer; and the hardware abstraction layer responds to the first instruction, notifies a driving layer to perform register configuration of the image sensor, and configures the frame rate of the image sensor as a first frame rate.

Embodiments of the present application disclose a display frame rate control method and device, equipment and a storage medium, comprising: in the case of a live scene of a multimedia application application scene, obtaining system state information and encoder information of the multimedia application, the encoder information including an encoder frame rate, and the system state information including at least one state information representing the system state of the electronic device. In the case that at least one state information and / or encoder information meets a preset adjustment condition, the display frame rate of the electronic device is adjusted to a frame rate matching the encoder frame rate. Embodiments of the present application can determine whether the display frame rate needs to be adjusted in the live process through at least one of the device state and the encoder information, accurately identify the scene requiring frame rate adjustment by referring to multiple factors. Meanwhile, in the case that the frame rate needs to be adjusted, intelligent frame rate adjustment is performed based on the encoder frame rate, improving the accuracy of the adjustment result.

The invention provides a video encoding and decoding system and method, electronic equipment, a chip and a video card, and relates to the technical field of chips. The system comprises a plurality of frame rate control units, a processing unit and a coding and decoding unit, and the processing unit is used for binding one frame rate control unit for each coding and decoding process; wherein one encoding and decoding process corresponds to one encoding and decoding task; the frame rate control unit is used for receiving performance demand information of a coding and decoding task corresponding to the currently bound coding and decoding process; wherein the coding and decoding task comprises multiple frames of videos, and the performance demand information comprises a demand frame rate and an image resolution; and the coding and decoding unit is used for carrying out frame-by-frame coding and decoding processing on the corresponding multi-frame video in each coding and decoding process according to the required frame rate and the image resolution in each frame rate control unit. The system can distribute hardware resources according to needs.

This invention discloses an intelligent frame rate control system and method for OLED displays based on image analysis, relating to the field of display frame rate control. The invention acquires the overall state and clarity of the image of the display screen to be adjusted at equal intervals. When the clarity of the image of the display screen to be adjusted does not meet the requirements, the playback frame rate of the display screen is adjusted to change the corresponding image clarity, thereby ensuring that the image clarity of the display screen at that point in time meets the requirements. Furthermore, after the local clarity of the video meets the requirements, the acquisition interval of the display screen image is adjusted from the perspective of the overall clarity of the played video, so that the overall clarity of the played video reaches its optimal level, resulting in a better viewing experience. By adjusting the acquisition interval, the probability of the video image clarity not meeting the requirements within the acquisition interval is reduced, thus improving the overall clarity of the video.

The invention discloses an AMOLED display control system for dynamic frame rate adjustment, and relates to the technical field of AMOLED display, the AMOLED display control system comprises a main control chip, a driving chip and an ambient light detection module, the main control chip is connected with the driving chip and the ambient light detection module, and the driving chip is connected with an AMOLED display screen; the main control chip sends an image display signal, a brightness control signal and a dynamic frame rate adjusting instruction, and the driving chip receives the image display signal, the brightness control signal and the dynamic frame rate adjusting instruction and sends a data signal, a scanning control signal, a brightness signal and a frame rate control signal to the AMOLED display screen. According to the AMOLED display control system with the dynamic frame rate adjustment function, the frame rate of an AMOLED display screen is dynamically adjusted by adding the ambient light detection module and the frame rate adjustment related unit, and the frame rate is automatically adjusted according to the difference of ambient light intensity and display content.

The invention discloses a gray scale jitter method, a display driving device, a display panel and a display device. The method comprises the following steps: determining the number of first carry points according to frame frequency control data, and determining the number of second carry points according to a target refresh rate; wherein the number of the second carry points is in negative correlation with the target refresh rate; obtaining a target minimum periodic unit according to the number of the first carry points and the number of the second carry points; and performing gray scale jitter by using the target minimum period unit. In this way, the splash screen problem can be solved.

This application relates to the field of video signal switching technology, and discloses a multi-channel video signal automatic switching method and device based on a production switcher. The method includes: performing preprocessing and feature calculation on multiple video signal channels to generate a signal feature vector set and a signal quality index, and constructing a dynamic weight matrix; performing adaptive frame rate control and energy optimization to obtain an optimized hardware working state and a warm-up cache state; generating a scene change mapping; performing intelligent switching decision-making and signal fusion to obtain a video signal after transition processing and a switching log; performing data compression and transmission optimization to generate a compressed data stream and transmission control parameters; performing signal demultiplexing and reconstruction to output a target video signal. This application realizes the full-process automation from video signal preprocessing to final output, greatly improves the efficiency of multi-channel video signal processing and switching, and reduces the intervention of manual operations and possible errors.

Various embodiments provide systems and methods for validating imaging of a monitored individual, wherein a system for monitoring an individual, the system comprising: a user detached monitor device, wherein the user detached monitor device includes: a camera; a frame rate control module configured to generate an image timing output that is modified in at least one of phase; a communication circuit; and a processor and a computer readable medium communicably coupled to the processor, wherein the computer readable medium includes instructions which when executed by the processor cause the camera to capture a series of images at respective times governed by the image timing output.

The application relates to a display control method, device, equipment and medium. The display control method determines a target image frame of a display panel, determines an image display state according to overvoltage driving data corresponding to the target image frame, determines a panel refresh rate according to the image display state, and then outputs a gate driving frame start signal according to the panel refresh rate, so that the display panel displays an image picture according to the gate driving frame start signal, the purpose of completing frame rate control by using the gate driving frame start signal is achieved, and the panel architecture is simple.

To provide an imaging information storage device capable of increasing an imaging information amount within a predetermined range from a temporary stop position while properly suppressing the storage capacity of imaging information, and to provide an imaging information storage method and a program.SOLUTION: The imaging information storage device 1 includes an imaging information generation section 31, a second storage section 8, a position information acquisition section 51, and a frame rate control section 33. The imaging information generation section 31 generates captured imaging information at a predetermined frame rate. The second storage unit 8 stores imaging information. The position information acquisition unit 51 acquires position information indicating the position of the apparatus. The stop position acquisition unit acquires stop position information indicating a temporary stop position. The frame rate control unit 33 determines whether or not the device 1 exists within a predetermined range from the pause position based on the distance from the pause position to the position of the device. When it is determined that the device 1 exists within the predetermined range, imaging information is generated at a high frame rate higher than the predetermined frame rate.SELECTED DRAWING: Figure 1

This application provides a frame rate control method and a related apparatus. According to the method, when a first application is run on an electronic device, screen display content is refreshed at a first frame rate. When switching from the first application to a second application is performed, frame rate switching is triggered. The frame rate switching is performed in two steps: ① First, adjust a frequency of a TE signal. ② Second, adjust a periodicity of a MIPI signal when the counted quantity of image frames received by the HWC reaches the first quantity (where the first quantity may be predetermined and written into storage space of the electronic device) after the frame rate switching instruction is buffered, to cause an adjusted frequency of the TE signal and an adjusted periodicity of the MIPI signal to take effect in a same screen refresh periodicity. In this way, display anomalies caused by the TE frequency and the MIPI signal not taking effect synchronously during frame rate switching are avoided, thereby improving users' viewing experience during the frame rate switching.

Embodiments are directed to a computer-implemented method for regulating graphics frame rendering and encoding rates. The method including synchronizing a frame rate of rendering graphics frames by a 3D application executing in a cloud server with a frame rate of encoding rendered graphics frames at a proxy server; and synchronizing the frame rate of encoding the rendered graphics frames at the proxy server with a frame rate of transmitting the encoded graphics frames to a client device over a network.

The invention discloses a display gray scale jitter method, a display driving device and a display device. The method comprises the following steps: determining the size of a first minimum balance unit and the number of target carry points according to the number of jitter gray scales corresponding to frame frequency control; in response to the fact that the number of the target carry points is larger than 4 and smaller than 8, obtaining a first minimum period unit with the number of the carry points being 4 and obtaining a second minimum period unit with the number of the carry points being 8; according to the four-frame first minimum balance unit and the four-frame second minimum balance unit, constructing a third minimum period unit for the number of target carry points; and performing gray scale jitter according to the third minimum period unit. By means of the mode, the problems of cross grains, transverse grains, vertical grains, noisy points, splash screens and the like in the shaking process can be reduced.

A backlight control chip (001), a driving method and a backlight control system, and a near-eye display device. The backlight control chip (001) is used for driving a backlight module, comprising: a boost circuit (101), the boost circuit (101) is configured to receive and boost a variable frequency clock signal (EXT_CLK) into a synchronization signal (HVSYNC_IN), wherein the variable frequency clock signal (EXT_CLK) and the synchronization signal (HVSYNC_IN) both have the same refresh rate as variable frequency display; a gating circuit (102), the gating circuit (102) is configured to receive the synchronization signal (HVSYNC_IN), a fixed frequency signal (VSYNC), a variable frequency signal (512xVSYNC), a first frame frequency control signal (HVSYNC_EN) and a second frame frequency control signal (DPLL_ENB), and after controlling the switching output of the synchronization signal (HVSYNC_IN) and the variable frequency signal (512xVSYNC) in response to the first frame frequency control signal (HVSYNC_EN), then controlling the switching output of the synchronization signal (HVSYNC_IN) or the variable frequency signal (512xVSYNC) and the fixed frequency signal (VSYNC) in response to the second frame frequency control signal (DPLL_ENB), wherein the fixed frequency signal (VSYNC) is used to complete the generation of the internal main clock signal of the backlight control chip (001), the variable frequency signal (512xVSYNC) is irrelevant to the refresh rate of variable frequency display, and the frame frequency control signal includes the first frame frequency control signal (HVSYNC_EN) and the second frame frequency control signal (DPLL_ENB).

The invention discloses a frame rate control method, which belongs to the field of image acquisition, and comprises the step of adjusting the frame rate of a next frame image according to the motion state, speed and pixel change rate of a current frame image relative to a previous frame image. The motion state comprises integral movement and non-integral movement; firstly, whether overall movement occurs is judged; when the movement is overall movement, determining the initial frame rate of the next frame of image according to the speed of the current frame of image, and then determining the final frame rate of the next frame of image according to the pixel change rate of the current frame of image relative to the previous frame of image and the initial frame rate of the next frame of image; and if not, determining the final frame rate of the next frame of image directly according to the pixel change rate of the current frame of image relative to the previous frame of image. According to the method, the frame rate of the next frame of image can be dynamically adjusted only through simple calculation and judgment, good adaptability is achieved for a dynamic scene, and the collection quality of the next frame of image can be ensured so that back-end processing can be facilitated.

The application provides a frame rate control method, device and equipment. The application caches a graphical user interface snapshot of an application in real time in response to a user operation on the application, acquires an operation instruction, determines a type of the operation instruction, determines whether an operation duration of the operation instruction exceeds an instruction sending period if the operation instruction type is continuous multiple operations, sends the latest snapshot in the local cache to a server as response information of the operation instruction after a target time delay if the sending period is not exceeded. Thus, stable transmission of the frame rate is achieved, real-time calculation of a front end of a terminal device is reduced, the pressure on the server is reduced, and the operation cost is reduced.

The application provides a frame rate adjusting method and an electronic device, and relates to the technical field of terminals. The method comprises the following steps: in the process of running a first application at a first frame rate, if a first current value of the electronic device is greater than a target current value, a temperature threshold is determined according to the single-frame power consumption of the electronic device, the target current value and a preset constraint relationship; and if a first device temperature of the electronic device reaches the temperature threshold, the frame rate of the electronic device is adjusted from the first frame rate to a second frame rate according to the change rate of the working current of the electronic device. In this way, the dynamic adjustment of the frame rate can be realized, and the frame rate control is more accurate.

The invention discloses a window frame rate control method and electronic equipment, and relates to the technical field of electronic equipment. The window frame rate can be controlled, the frame rate of the focus window is ensured, and the smoothness of operating the focus window by a user is improved. The method comprises the steps that the electronic equipment can obtain the system load size; when the size of the system load is the first load, the first window is displayed at a first frame rate, the second window is displayed at a second frame rate, the first window and the second window are windows displayed on the display screen, the first window is a non-focus window, the second window is a focus window, and the first frame rate is lower than or equal to the second frame rate. Then, the size of the system load is increased from the first load to a second load, when the size of the system load is the second load, the electronic equipment displays the first window at a third frame rate or displays the second window at a second frame rate, and the third frame rate is lower than the first frame rate and the second frame rate.

This application discloses a method and apparatus for controlling the frame rate of autofocus tracking. The method may include: displaying a first user interface, the first user interface including a shooting preview area and multiple shooting controls, the shooting preview area being used to display images captured by a camera; receiving a first operation, the first operation being an operation on a target shooting control among the multiple shooting controls; responding to the first operation, activating a target shooting mode and displaying a target preview image in the shooting preview area; determining image parameters of the target preview image and determining a target shooting scene based on the image parameters; and adjusting the ranging frame rate of a ranging sensor based on the target shooting mode and the target shooting scene. This application embodiment can flexibly adjust the ranging frame rate based on different shooting modes and shooting scenes, reducing energy consumption while ensuring shooting performance.

The invention discloses an electronic display screen signal monitoring system and method based on the Internet of Things, and relates to the technical field of the Internet of Things. Historical link state data is collected through a network probe to construct an analysis set, a standard link state is extracted to provide a reference for real-time signal monitoring, and a signal fluctuation value is predicted in combination with a random forest regression model; meanwhile, a mapping relation table of the link state and the frame buffer queue length is constructed, a first queue length value is obtained in combination with a prediction fluctuation value, a second queue length value is generated according to historical queue data time sequence prediction, and the queue length prediction accuracy is improved through complementary fusion of a two-dimensional prediction mechanism; the frame rate adjustment value is calculated by combining the processing speed, the frame generation rate of the sending end is dynamically regulated and controlled, a self-adaptive frame transmission rate control mechanism is formed, transmission fluctuation caused by real-time environment interference is effectively dealt with, and the display stability and the picture quality of an electronic display screen are guaranteed.

The invention provides a mobile terminal and a frame rate control method, and the method comprises the steps: obtaining a first screen refresh rate and a second screen refresh rate, and obtaining a decoding frame rate threshold value of a display device; determining a frame rate identifier according to the first screen refresh rate, the second screen refresh rate and a decoding frame rate threshold value of the display equipment; when the frame rate identifier is the first frame rate identifier, creating a stable frame rate thread, and outputting a screen projection picture with a stable frame rate through the stable frame rate thread; and encoding the projection screen picture with the stable frame rate, and transmitting the encoded projection screen picture to a display device, so that the display device decodes the projection screen picture and controls a display to output the decoded projection screen picture according to the stable frame rate after receiving the projection screen picture. According to the technical scheme, the mobile terminal can optimize the native screen recording mode based on the native screen recording mode, the screen projection picture with the stable frame rate is output through the added stable frame rate thread, and the problem that the output frame rate is unstable when the native screen recording mode is used for carrying out the mirroring function is solved.

A backlight control chip, a driving method, a backlight control system, and a near-eye display device. The backlight control chip for driving a backlight module, includes: a boosting circuit, configured to receive a variable-frequency clock signal and boost the variable-frequency clock signal into a synchronous signal, wherein both the variable-frequency clock signal and the synchronous signal have the same refresh rate as variable-frequency display; and a gating circuit, configured to at least receive the synchronous signal and frame rate control signals, and control output of the synchronous signal in response to the frame rate control signals.