84results about How to "Reduce display lag" patented technology

An image-capturing device includes an image-capturing section, an image-data-generation section, a progress-information-acquiring section, and an image-capture control section. The image-capturing section captures an image of a subject and repeatedly generates image-capture data of frames which represent single video frames. The image-data-generation section carries out processing for generating image data indicating an image of the subject, on the basis of image-capture data of the image-capturing section. The progress-information-acquiring section acquires progress information indicating progress of processing for generating the image data. The image-capture control section controls, on the basis of the progress information, a timing for starting the generating of the image-capture data for the next frame in the image-capturing section.

The invention discloses a method and a device for sending data under a VDI (visual desktop infrastructure) environment. By adopting the technical scheme, when a desktop protocol client is under the abnormal condition, a desktop protocol server sends the data of desktop images to the desktop protocol client at the rate lower than the rate of the normal condition; on one hand, as the sending rate is reduced, one part of system resources can be saved, and the occupation of the resources of a server by a virtual machine is reduced; on the other hand, when the desktop protocol client is in the abnormal condition, the desktop protocol server can still send the data of the desktop images to the desktop protocol client, and when the desktop protocol client restores to the normal state, the amount of the data to be sent by the desktop protocol server is greatly reduced in comparison with the prior art, so the occupation of the network bandwidth is reduced, the display time delay is reduced, and the experience of a user is improved.

The invention discloses a webpage data processing method and device, a storage medium and computer equipment, relates to the technical field of networks, and can effectively solve the problem that thewebpage data display speed is low when webpage data are requested from a website server and then the received webpage data are rendered. The method comprises the following steps: receiving a webpagedata acquisition request sent by a webpage browser, wherein the acquisition request carries website information; The rendered webpage data corresponding to the website information are inquired from apreset cache position, rendered webpage data corresponding to different website information are cached in the preset cache position, and the cached rendered webpage data are obtained through estimation according to the real-time webpage access record information of the webpage browser; And sending the queried rendered webpage data to the webpage browser. The webpage data processing method and device are suitable for webpage data processing.

The invention relates to a method for head attitude compensation. The method comprises: according to display time of at least two rendered image frames, predicting rendering completion time t1 of a to-be-displayed image frame; according to the t1, calculating display start time t2 of the to-be-displayed image frame; according to the t2, calculating first time, predicting a first time head attitude Q, according to the head attitude Q, rendering the to-be-displayed image frame; according to start time a of any completed display cycle, calculating start time t of a to-be-displayed cycle; according to the t and the display cycle T, calculating second time, to obtain a second time head attitude Q', and according to the Q and the Q', calculating a head attitude compensation matrix; according to the attitude compensation matrix, performing attitude compensation calculation on the to-be-displayed image frame; according to vertex coordinates after attitude compensation and vertex coordinates of the to-be-displayed image frame, calculating a correction coefficient; and according to the correction coefficient, calculating a display image frame after the head attitude compensation. The method and the device accurately compensate head attitude of the to-be-displayed image frame, so that smear phenomenon and dizzy feeling in VR system use are reduced.

The invention provides a data prediction method and apparatus. The method comprises the following steps: after motion data collected at each collection moment within a preset historical time period are obtained, obtaining a motion mode of a target object according to the motion data collected at each collection moment, selecting a prediction model matched with the motion mode of the target object and a delay parameter related to the prediction model, predicting a next frame of image data called by a virtual reality device through the prediction model according to the motion data collected at each collection moment and the delay parameter. Therefore, the next frame of image data called by the virtual reality device is predicted based on the motion data collected at each collection moment within the preset historical time period so as to reduce the image jitter and display delay, for each virtual reality device, the next frame of image data can be predicted by the technical scheme mentioned above, therefore the universality of the method is higher, and the cost of the virtual reality device is reduced.

The invention provides a video playing method and system and equipment. The method comprises the steps that the VR equipment receives a first-resolution and first-view VR video stream sent by a serverand a second-resolution and full-view VR video stream continuously sent by the server, wherein the first resolution is higher than the second resolution; pictures of the first view are played by adopting the first-view VR video stream; when it is determined that the view changes, pictures of the current view are played by adopting the first or both two of the full-view VR video stream and the first-view VR video stream; view information carrying a parameter for indicating to change to the second view is sent to the server; a first-resolution and second-view VR video stream sent by the serveris received; and pictures of the second view are played by adopting the second-view VR video stream. According to the scheme, the problems that a network VR service is wide in occupied bandwidth and long in delay are solved simultaneously, the storage overhead of the server can be reduced, and traffic burst can be avoided.

The invention displays a display panel and a manufacturing method thereof. The display panel comprises a colored filtering substrate, a thin film transistor substrate, a light shading black matrix, a metal line, a light curing adhesive and a light shading layer, wherein the light shading black matrix is located in a non-display area of the colored filtering substrate, and seams are formed in the light shading black matrix; the metal line is located in a non-display area of the thin film transistor substrate; the light curing adhesive is located between the light shading black matrix and the metal line; the light shading layer is located on one side of the colored filtering substrate and correspond to the light shading black matrix. In this way, the frame glue curing of the display panel can be achieved, the signal delay problem of the display panel can be effectively alleviated, meanwhile, light rays can be effectively prevented from leaking out, and the display effect is improved.

An Internet Protocol Television (IPTV) broadcasting system is provided. The IPTV broadcasting system includes: An Internet Protocol Television (IPTV) broadcasting system for reducing a display delay when a channel is changed, including: a stream transmitting apparatus receiving a broadcast channel stream, generating an acceleration stream from the broadcast channel stream, and transmitting the broadcast channel stream and the acceleration stream; and a set-top box receiving the broadcast channel stream and the acceleration stream from the stream transmitting apparatus, and reproducing a decoding stream, according to a type of a received frame in the broadcast channel stream and the acceleration stream. Therefore, it is possible to reduce a display delay when a channel is changed.

the invention discloses an image processing method and a head-mounted display device, and relates to the communication technology field. By providing a high-resolution image for a central area of a user and providing a low-resolution image for the background area, the image definition requirement of the head-mounted display device is met, and the data size of the image can be reduced. The method can be applied to the HMD, the HMD comprises two modules, and each module comprises a camera module, a display screen corresponding to the camera module and a processing module. The camera module comprises a first camera and a second camera, and each module executes the following steps that in response to a detected starting operation, the first camera collects a low-resolution first image, and thesecond camera collects a high-resolution second image; the processing module generates a fourth image according to the first image and the second image, wherein the fourth image comprises a low-resolution image and a high-resolution image; the processing module generates a fifth image according to the fourth image and a third image containing the virtual object, and the display screen displays the fifth image.

An apparatus includes an overlay buffer configured to store overlay data; a touch path logic to: receive first touch events from the first touch sensor panel and generate a first output based on the first touch events, and receive second touch events from the second touch sensor panel and generate a second output based on the second touch events; and a rendering logic to, when the first touch events occur: receive a first video image; receive the first output; and combine the first video image with the overlay data corresponding to the first video image to output at least one combined display image, and, when the second touch events occur: receive a second video image; receive the second output; and combine the second video image with the overlay data corresponding to the second video image to output the at least one combined display image.

Embodiments of the invention provide a smart interaction tablet and a vector diagram processing method, a vector diagram processing system, a vector diagram processing device and equipment. The systemincludes a first processor and a second processor, wherein the first processor is configured to connect a first screen, and the second processor is configured to connect a second screen; the first processor converts the vector diagram into a bitmap, generates identification information corresponding to the vector diagram and the bitmap, encapsulates the bitmap and the identification information into a data packet, and sends the data packet to the second processor; and the second processor parses the data packet, and correspondingly stores the parsed bitmap and identification information. In the embodiments of the invention, the first processor converts the vector diagram into a bitmap before the operation of triggering the display of the vector diagram occurs, and the second processor only needs to correspondingly store the bitmap and the identifier information, that is, after the operation occurs, the corresponding bitmap is directly displayed to the second screen, so that the display speed of the vector diagram on the second screen may be effectively improved, and the display delay is reduced.

The embodiment of the invention discloses a thumbnail display method, device and system. The thumbnail display method comprises the steps that the information, sent by a user terminal, of a thumbnail to be displayed is obtained, at least two display unit areas are displayed on a display interface, the current thumbnail to be displayed is determined according to the associated information between the display unit areas and the thumbnail to be displayed, a thumbnail loading request for the current thumbnail to be displayed is sent to the user terminal, a thumbnail returned by the user terminal according to the thumbnail loading request is received, and the received thumbnail is displayed on each display unit area. By the adoption of the thumbnail display method, device and system, the thumbnail display time delay can be reduced, and the image processing efficiency can be improved.

The embodiment of the invention discloses a list item preloading method and device, equipment and a storage medium. The method comprises the steps that for any list item, the state of the list item isdetermined according to the distance relation between the list item and the current screen display range, and the state of the list item comprises a data obtaining state, a to-be-displayed state anda visible state; carrying out loading operation matched with the state on the list item according to the state of the list item; wherein the loading operation of the data acquisition state is downloading data, the loading operation of the to-be-displayed state is rendering according to the downloading data, and the loading operation of the visible state is displaying. Through the technical schemeof the embodiment of the invention, the display delay of the list item can be shortened, and the user experience is improved.

The embodiment of the invention provides a cursor display method and system. The method comprises the steps that a first processing module acquires operation information of a user, a cursor display region is determined according to the operation information of the user, and a displayer is controlled to display a cursor image, generated by a second processing module in advance, on the cursor display region. Since the second processing module can generate the cursor image in advance and the first processing module does not need to generate the cursor image, it is not needed to repeatedly generate the cursor image in each cursor display process, consequently, cursor display delay is shortened, and cursor display efficiency is improved.