48results about How to "Improve video experience" patented technology

The present invention relates to a video conference system, and particularly to a multi-picture-mixing method of video conference system and a device thereof. The method comprises the following steps in turn: a. establishing connection between the video conference terminals and a multi-point control unit, transmitting the local audio and video flow and sound condition to the multi-point control unit; b. determining which terminal is a speaking terminal by the multi-point control unit according to sound information, combining the picture of speaking terminal with the pictures of other terminals to one output video flow, and executing special displaying for the picture of speaking terminal; c. transmitting the mixed output video flow to each terminal of video conference by the multi-point control unit; and d. displaying the received output video flow on the display by each terminal of video conference. The invention settles the problem that the sub-screen of each terminal can not determine and display the speaking end in the prior video conference system. The using of conference participators is facilitated and the actual operation effect of system is improved.

The invention discloses a method for dynamically displaying statistical data, aiming at solving the problem that the display of the statistical data is single. The method comprises the following steps of obtaining at least one data ratio in real time; generating concentric and same-radius 3D data circular rings with the corresponding quantity according to at least one data ratio; synthesizing at least one 3D data circular ring to form a 3D data circular ring pie chart with segmentation regions. The invention further discloses a device for dynamically displaying the statistical data. According to the method and the device, the concentric and same-radius 3D data circular rings with the corresponding quantity are generated according to the obtained data ratio and one 3D data circular ring pie chart with the segmentation regions is synthesized; each data ratio is displayed on the circular ring pie chart and different colors are given to all data ratios, so that the display of the data ratios is layered and the display effect is clearer; the manner of displaying a data statistical result is enriched and the video experience is improved.

A system for manipulating content data such as video, word documents, graphics, spread sheets and data bases is disclosed. The system includes a networked viewing device that displays representations of the content data that pushed from or originating from a applications running on a networked computing device, such as a smart phone. This viewing device includes a touch screen or a periphery tool, such as keyboard and/or a computer mouse which is synchronized to the computing device for manipulating the content data while viewing a representation of the content data on the viewing device. In further embodiments of the invention the a periphery tool is the computing device, whereby a control application is running on the computing device to manipulate the content data originating from invisible application or program running on the computing device while the content data is displayed on the networked viewing device. The viewing device, the computing device and/or the system preferably includes a video capturing unit.

The embodiment of the invention discloses a super-resolution reconstruction method, device and equipment apparatus based on artificial intelligence, and a storage medium, and the method comprises thesteps: obtaining a to-be-processed video frame sequence of a first resolution when the super-resolution reconstruction of a certain video file is needed, and enabling wherein the to-be-processed videoframe sequence to be is the video frame sequence of the video file; for each to-be-processed video frame in the to-be-processed video frame sequence, performing resolution reconstruction on the eachto-be-processed video frame according to the resolution reconstruction model to obtain an initial reconstructed video frame with a second resolution, wherein ; second resolution is higher than first resolution. D; determining a contour region in the initial reconstructed video frame through a residual separation mode; and carrying out contour enhancement processing is performed on the contour region to obtain a target reconstructed video frame, so that high-frequency details are clearer, and an image quality optimal result conforming to an online practical application scene is obtained, and therefore, a. A reconstructed video frame sequence with a second resolution can be generated according to the target reconstructed video frame, and cleaner, clearer, more natural and more comfortable video experience can be provided for users.

The invention discloses a video transmission method, a play method, a terminal and a server, and belongs to the field of streaming media. The transmission method comprises the following steps: receiving the current network and resource parameters of the terminal when the server transmits the current video segment to the terminal; obtaining video stream of the next video segment according to the starting timestamp of the current video segment and the obtained current network and resource parameters, wherein the grade of the video stream of the next video segment corresponds to the current network and resource parameters; and transmitting the next video segment to the terminal by the server when the current video segment is transmitted. According to the invention, video streams can be dynamically provided along with change of bandwidth and decoding capacity of the accessed terminal. Videos with higher quality can be provided if the bandwidth is great and the decoding capacity is strong, while videos with poor quality can be provided if the bandwidth is small and the decoding capacity is weak, so that the resources are adequately utilized and the video experience of users is improved.

The invention provides a Bluetooth power control method and terminal equipment. When the terminal equipment is connected with opposite-end equipment through Bluetooth, the equipment type or the service type of the opposite-end equipment can be obtained to determine whether the opposite-end equipment is equipment in a preset high-power mode; therefore, the terminal equipment sends the data packet to the opposite-end equipment in the high-power mode, and furthermore, after the equipment type of the opposite-end equipment is determined to be the equipment in the preset high-power mode, the transmission power can be determined to be improved according to the request of the opposite-end equipment or the quality of the data link or whether the Wi-Fi coexistence condition is met or not.

The invention discloses a method for controlling the rotation of a camera. The method comprises: during a video communication process, identity characteristic information of a communication user is obtained; according to the identity feature information, a rotating speed of a camera matching the communication user is determined; a set number of face images, captured by the camera within a set timeinterval, of the communication user are obtained; if the face rotation frequency, determined by adjacent face images among the set number of face images, of the communication user within the set timeinterval does not exceed a frequency threshold, a first face image and a last face image among the face images captured within the set time interval are obtained; according to the first face image and the last face image, a face rotation parameter is determined; and on the basis of the rotating speed and the face rotation parameter, the camera is controlled to make rotation. Therefore, the personalized need of the user during the video communication process can be met; the video experience of the user is improved; and a phenomenon that the user at the other side in video communication feels uncomfortable because of frequent rotation of the face of the user at one side is avoided.

The invention relates to a video display method and device, relates to the display technology field and mainly solves a technical problem that a smear phenomenon of a high-brightness wearing virtual display device is relatively serious. The video display method is mainly characterized in that a display mode of a display panel is determined; according to the display mode of the display panel, a black insertion control signal Vsout or a brightness control signal PWM is switched to drive the backlight of the display panel. When the display mode is in a film mode, the brightness control signal PWMcan be switched to drive display, high-brightness demands can be satisfied, when the display mode is in a game mode, the black insertion control signal Vsout can be switched to drive display, the smear phenomenon of the wearing virtual display device in the prior art can be reduced, and video experience of a game user can be improved.

The invention discloses a panoramic video transmission method and device. The method comprises the steps of requesting to obtain a first panoramic video file from a server; and requesting to obtain asecond panoramic video file or an auxiliary FOV video file of the first panoramic video file from the server according to the FOV type of the first panoramic video file, when it is detected that the viewing angle of a user changes.

The invention discloses a method of playing network videos online. The method includes the following steps that a PC or a mobile terminal visits a video website and analyzes network address information of video content selected by a user to watch, the PC or the mobile terminal sends the analyzed network address information to a player which is in network connection with the PC or the mobile terminal in real time, and the player visits and plays the video content of the video website according to the network address information. According to the method, a household player can be simply and easily used like a mobile phone or a PC to achieve online play of network videos.

The invention relates to a management system and method of a local area network camera to perform network streaming media live broadcast. A management client in the management system comprises a plurality of cameras and a video packet management client, the video packet management client automatically searches a camera in a local area network after logging in and obtains a RTSP video source of thecamera; and a server side management background in the management system is used for maintaining online grouping of video user playing front ends and opening or closing the push service of the camera. The management system is based on the ONVIF international standard protocol supported by most cameras on the market. Combined with a network streaming media live broadcast system, a large number ofvideo sources in the traditional local area network are accessed to a public network to dock the network streaming media live broadcast system, so that the type of video resources is fully utilized, and flexible management is implemented according to the specific needs of companies in various industries; and no configuration needs to be performed in the camera, integrated management, distributionoptimization and other functions are unified, thereby improving the video experience of video users.

The embodiment of the invention provides an Internet protocol television video play method and an Internet protocol television video receiver. The method comprises the following steps of: detecting the network transmission conditions of the Internet protocol television video receiver and a video server; regulating the cache size of the Internet protocol television video receiver according to the network transmission conditions; and caching a video stream from the video server by utilizing a regulated cache of the Internet protocol television video receiver, and playing the video stream. The Internet protocol television video receiver comprises a detection unit, a regulation unit and a caching unit, wherein the detection unit is used for detecting the network transmission conditions of the Internet protocol television video receiver and the video server; the regulation unit is used for regulating the cache size of the Internet protocol television video receiver according to the network transmission conditions; and the caching unit is used for caching the video stream from the video server by utilizing the regulated cache of the Internet protocol television video receiver, and playing the video stream. By the Internet protocol television video play method and the Internet protocol television video receiver, good video experiences are brought to a user by reducing and avoiding the influence of network transmission jitter.

The invention discloses a packet-loss resistance preprocessing and recovery method for a wireless network video stream. Before encoding is carried out, a video is preprocessed through the packet-loss resistance preprocessing and recovery method, and the packet-loss resistance capacity of the video in the network transmission process is improved. The packet-loss resistance preprocessing and recovery method comprises the steps that adjacent pixels in a video image are separated to be distributed to different sub-images so as to be encoded; when packet loss is detected at a video stream receiving end, image distortion caused by the packet loss is restored to the maximum extent through interpolation carried out on information of pixels around lost pixels according to the redundancy characteristic of information of the adjacent pixels, and video stream media service quality is improved.

The invention discloses a downlink resource allocation algorithm based on channel fluctuation perception under an LTE system. The algorithm is characterized by, to begin with, summarizing channel fluctuations of each user in a current RB to be allocated, and with current channel quality status of the user being combined, calculating a channel fluctuation influence factor phi; multiplying a dispatching index obtained based on a classical resource allocation algorithm by the channel fluctuation influence factor to obtain a dispatching index of the resource allocation algorithm based on channel fluctuation perception; allocating the RB to the user, the dispatching index of which is largest, and if residual transmission data of the user is not greater than transmission capacity of the RB, deleting the user from a dispatching queue after finishing RB allocation; and carrying out RB allocation one by one, and if the current time slot has no data to be transmitted, allocating the residual RB according to MAX C/I. The downlink resource allocation algorithm is based on the classical resource allocation algorithm and takes the user channel quality fluctuations into consideration, and thus system throughput and user video experience in the LTE system can be improved effectively.

The invention proposes an end-to-end peer video assistance transmission method, and belongs to the technical fields of wireless communication and video processing. The method comprises the steps: notifying other nodes in a UDP broadcast mode if each node wants to join in or quit a group G'; enabling each DE in the same group G' to watch a video through a cellular network, downloading video data from a cellular network of a node with a small load, and transmitting the downloaded video data to a node with a big cellular network load through a Wi-Fi network; dividing a video watching request into a plurality of video downloading request tasks if each DE wants to watch the same video; downloading a plurality of video segment files of the video if one task is built, enabling the DE to transmit a downloading request to other nodes in the same group, and enabling the nodes to assist the downloading and transmission. The method can effectively improve the utilization rate of bandwidth of the whole network, optimizes the resource configuration, reduces the network cost, and saves the energy consumption.

A moving picture communication system 100 for connection to a communications network 22 comprising a telephone device 102 and a moving picture data processor 106. The telephone device 102 is configured to: make voice telephone calls, receive and/or transmit compressed moving picture data via the communications network 22, and input and/or output compressed moving picture data via a port 104. The moving picture data processor 106 comprises a port for inputting compressed moving picture data from and/or outputting compressed moving picture data to the telephone device's port 104. The moving picture data processor 106 is configured to decompress compressed moving picture data from the telephone device's port 104 and/or compress decompressed moving picture data from a moving picture source. The moving picture data processor 106 is controlled, at least in part, by the telephone device 102.

The invention provides a security video communication method and device based on a control plane protocol, equipment and a medium. The method comprises the steps: acquiring, after a video conference is created, to-be-verified information sent by a server, wherein the to-be-verified information is used for verifying the legality of the server, the to-be-verified information comprises a verificationparameter and a first information integrity identifier, and the first information integrity identifier is used for protecting the integrity of the verification parameter; verifying the integrity of the verification parameter and the legality of the server according to the first information integrity identifier; when it is determined that the verification parameter is complete and the server is legal, performing message authentication code calculation on the verification parameter to obtain a second information integrity identifier; and feeding back the second information integrity identifierto the server, so that the server can pull the articulated naturality web equipment into the video conference to start the video conference after verifying that the articulated naturality web equipment is legal according to the second information integrity identifier. The method can realize safe starting of the video conference.

The invention aims to provide a method and device for providing a video, a medium and a program product, and the method comprises the steps: receiving a video obtaining request which is sent by user equipment and is related to a target application, determining whether the video obtaining request is sent for the first time after the target application is newly opened on the user equipment, the video acquisition request comprises first group number information; if yes, according to the first group number information, a first preset number of unread videos are extracted from one or more common video groups to serve as first videos, a second preset number of unread videos are extracted from a high-heat video group to serve as second videos, and the first videos and the second videos are provided for the user equipment; and otherwise, according to the first group number information, extracting a third predetermined number of unread videos from the one or more common video groups as third videos, and providing the third videos to the user equipment.