15results about How to "Lower frame rate" patented technology

The invention relates to a mobile game performance optimization method and system, and the method comprises the steps: determining a game use scene of a mobile game user according to the behavior of the mobile game user; the mobile game user behavior comprises user input and rendering camera movement; according to the game scene, determining a game picture demand; the game picture demand comprises a high dynamic picture and a partial static picture; and dynamically adjusting the resolution ratio and the frame rate displayed by the mobile phone according to the game picture requirements. According to the scheme, the frame rate is automatically reduced in the application scene insensitive to the fluency and the resolution ratio is automatically reduced in the application scene insensitive to the image quality according to the actual scene requirement of the mobile game and the sensitive degree of the user to the fluency and the image quality in different scenes, so that the user experience is ensured to be improved on the premise that the user experience is not influenced. The overall power consumption of the game is reduced. According to the intelligent optimization method, mobile games can better adapt to different hardware environments, and smoother and more excellent game experience is brought to users.

The invention discloses a frame rate adjusting method, which is characterized in that an NVR (Network Video Recorder) is driven by an event, and adaptively adjusts the frame rate of each IPC according to the event content of each IPC so as to adjust a code stream, and specifically comprises the following steps: when an IPC is triggered by the event, adjusting the frame rate of the IPC according to the current bandwidth and the equipment parameters of the IPC, and reducing the frame rates of other IPCs which are not triggered by the event for a long time; the video quality is improved by adaptively reducing the frame rate of the IPC when no event is triggered and improving the frame rate when the event is triggered, so that the network bandwidth and the hard disk space are saved, each IPC runs at a lower frame rate when no event is triggered, more IPCs can be accessed to the NVR on the basis of the original maximum bandwidth, and the monitoring quality and the maintenance cost are balanced.

The invention discloses a video coding method and video coding equipment. The method comprises the following steps: carrying out video coding according to an initially set key frame interval; obtaining the sizes of the first two non-key frames of which the ith precoding is the key frame, wherein i is greater than 1; calculating to obtain the size variation of the two non-key frames; and according to the size variation of the two non-key frames, determining whether the ith video frame pre-coded as the key frame is coded as the non-key frame or the key frame. According to the method, whether the video frame code of which the ith precoding is the key frame is the key frame or the non-key frame is dynamically determined, so that the interval of the key frames is dynamically changed. The adjustment of the key frame interval mainly considers the non-key frame size variation and / or the illegal or abnormal behavior recognition condition in the coded video, so that the key frame interval is increased, the number of key frames is reduced and the video size is reduced under the condition of ensuring the picture quality requirement.

The present disclosure provides a multi-mode camera frame allocation algorithm for computer vision (CV) features in an XR head-mounted viewer. Disclosed herein are systems and methods relating to an image capture device and one or more processors. An image capture device may capture one or more images. The one or more processors may determine that a parameter (e.g., gain or exposure) of the one or more images satisfies a threshold, and in response to the parameter satisfying the threshold, cause the image capture device to reduce a frame rate at which the one or more images are detected.

The application discloses a video processing method and device, electronic equipment and storage medium, and belongs to the field of image processing; the method comprises the following steps: acquiring first video data, and analyzing the first video data to determine a target index related to ambient light intensity, wherein the target index comprises at least one of the following indexes: brightness, analog gain, digital gain, image signal processor gain and exposure time; determining comprehensive light intensity information according to the target index to determine a target frame rate of video acquisition; reducing the video acquisition frame rate to the target frame rate, and acquiring second video data to form an output video after optimization based on a deep learning model; when it is determined that the video is in a weak light state, a camera with a reduced frame rate can be used for acquisition, and a longer exposure time can be used for image acquisition to obtain more stable and clear images.

The invention relates to the technical field of video data processing, and discloses a data processing system and method for parking lot video detection, and the system comprises an image processing module, an information extraction module, and an image matching module. Wherein the image processing module is used for detecting and extracting a target picture of a target vehicle from the monitoring video; the information extraction module is used for extracting license plate information of a target vehicle from the target picture and verifying the license plate information; if the license plate information fails to be extracted or the license plate information does not pass verification, triggering an image matching strategy; an image matching module responds to the image matching strategy and matches a reference picture for a target vehicle based on the target picture; the information extraction module re-extracts license plate information of the target vehicle based on the reference picture; the overall performance of the parking lot video detection system is improved, and the system is more intelligent and automatic.

The application belongs to the technical field of information processing, and relates to an internet hospital applet end medical risk visualization information processing method and device.The method comprises the following steps: asynchronously monitoring a user interaction event, waking up a background calculation when entering a medical node, and keeping rendering on the front end;calling historical multi-modal data, and constructing a space-time dynamic graph structure;extracting features by using a light space-time graph neural network, and outputting a risk probability and an attention weight;performing Laplace deformation on a three-dimensional anatomical model based on the weight, and generating a risk terrain map;deducing a cost fluctuation interval by using a reverse difference, generating a visual view, and supporting hovering explanation;collecting user behaviors in real time, and dynamically adjusting the style and hidden state of a recommendation component.The method can realize zero blocking of a main thread, memory self-adaptation, three-dimensional risk explainability, cost fluctuation perceptibility, and non-invasive adaptive interaction.

This invention relates to the field of smart terminal technology and discloses a display device and a display control method. The display device includes a display and a controller configured to: when playing first media data with first media data parameters in a first projection window of a projection interface, in response to a second operation command for playing second media data in a second projection window, acquire second media data parameters of the second media data; if it is determined that the second media data does not meet the projection conditions, stop receiving the first media data and control the display to play the second media data in the second projection window; if it is determined that the second media data meets the projection conditions, control the display to continue playing the first media data in the first projection window and play the second media data in the second projection window. Applying this solution can improve the user's projection experience.

The invention discloses a pupil and reflected light spot adaptive tracking method and system fusing multiple sensors, and belongs to the field of eye movement tracking signal processing. The eye movement tracking device generates cornea reflection light spots and collects images and events of the eyes; respectively obtaining a light spot template, a light spot coordinate list and a pupil fitting ellipse according to the image; in the eye movement tracking stage, events are screened according to the pupil fitting ellipse and the light spot template, and pupil events and light spot events are obtained; according to the pupil event, sequentially obtaining a pupil moving direction angle and a light spot event template at the current moment, and further obtaining a light spot candidate position; screening the light spot candidate positions according to the light spot coordinate list at the previous moment so as to update the light spot coordinate list and the light spot template; and finally, comparing pupil fitting ellipse axis length changes at two moments before and after, and judging whether eye movement tracking is ended or not. According to the invention, by fusing the frame image and the event stream, pupil and light spot tracking with high precision and high time resolution is realized.

The present application relates to the field of photoelectric detection and intelligent identification, in particular to a cat-eye target detection active imaging system and method based on intelligent vision, comprising: an active illumination module for outputting a pulse laser with adjustable parameters, actively illuminating a target scene, and exciting a cat-eye effect backscatter echo of an optical device in the target scene; a coaxial imaging acquisition module for receiving the backscatter echo of the target scene and collecting information; an intelligent vision processing module for intelligently processing the received image data, outputting target information and scene perception data; an adaptive control module for constructing a closed-loop control link according to the scene perception data and the target information; a display and storage module for realizing human-computer interaction, displaying and storing real-time imaging pictures and target information. Thus, the problems of high false alarm rate, limited detection distance, poor environmental adaptability, and inability to realize target fine classification and continuous tracking in the prior art are solved.

The invention provides a display method and device, equipment and a storage medium, and the method comprises the steps: responding to a sliding operation executed on a display interface, and detecting motion detection information of the sliding operation; determining a frame displacement of the display interface based on the motion detection information; reducing the frame rate in response to the fact that the frame displacement of the display interface is smaller than a displacement threshold; and displaying a display interface based on the reduced frame rate. Therefore, in the process of executing the sliding operation, the frame rate can be adaptively reduced, so that on the premise of maintaining the equipment performance, the power consumption is reduced, the system load is reduced, the battery endurance is improved, the energy efficiency ratio is improved, and the system flexibility is enhanced.

The present invention discloses a video frame loss and frame supplement transmission method, system and application based on a WebRTC weak network environment. The transmission method comprises: S01, a transmitting end sends a video frame to a receiving end through a network controller; S02, the network controller counts the video frames and RCTP statistical information received by it, and updates the current network state parameters; S03, judging the network state information according to the current network state parameters and outputting it to the receiving end; S04, the receiving end receives the video frame and network state information sent by the network controller, makes a judgment according to the received video frame and network state information, and generates request change information and sends it to the transmitting end when the result meets the expectation; S05, the transmitting end receives the request change information and generates response information and sends it to the receiving end when it meets the expectation, the receiving end updates the receiving decoding parameters according to the response information and initializes the decoder, and the transmitting end updates the encoding parameters according to the change information and initializes the encoder; the implementation of this scheme is reliable, data interaction is flexible and the response is fast.

The present disclosure relates to a frame rate adjustment method and device, an electronic device and a storage medium, the method comprising: acquiring a first image frame captured for a target scene; detecting the first image frame to determine the number of detected targets in the first image frame; determining a target frame skipping number based on the number of detected targets, so as to adjust the frame rate of the image frame of the target scene according to the target frame skipping number. The embodiments of the present disclosure can adaptively adjust the frame rate of the acquired image frame.

The present invention relates to different frame rate settings. A technique for setting the frame rate of a camera is provided. The camera includes a plurality of image sensors arranged to capture images to be stitched into a panoramic image of a scene. Information is obtained about a corresponding angle between an optical axis of each of the plurality of image sensors and a direction along which a straight path structure to be monitored by the camera extends through the scene. Based on the angle, the plurality of image sensors are divided into at least two groups. All angles of the image sensors within each of the at least two groups are part of its own continuous angle interval. A frame rate is set for each of the at least two groups. The frame rate decreases from the group with the highest continuous angle interval to the group with the lowest continuous angle interval.

The invention relates to the technical field of equipment homepage window optimization, in particular to an embedded equipment homepage window optimization system, which is characterized in that the window optimization system and a hardware device of embedded equipment are subjected to resource interaction, an animation effect is generated and managed through an animation engine module, and a frame rate control sub-module is used for dynamically adjusting the frame rate of an animation; the rendering optimization sub-module is used for analyzing smooth parameters of the animation under different hardware conditions corresponding to the embedded device; the operation behavior of the user is detected, and the animation parameters are adjusted according to the operation behavior; meanwhile, the hardware state of the embedded equipment is monitored in real time, and animation parameters are adjusted according to the equipment state; through resource interaction and an intelligent adjustment mechanism between the animation engine module and embedded equipment hardware, the user experience can be improved, and resource use and energy consumption control can be optimized while stable operation of equipment is ensured. The method is crucial for improving the market competitiveness and the user satisfaction of the embedded equipment.