324results about How to "Reduce Caton" patented technology

The embodiment of the invention discloses a moving target behavior tracking method, a device, a device and a computer-readable storage medium. The method includes invoking the pre-constructed object detection model to detect the object in the moving object image so as to locate the position of the moving object in the moving object image. The target detection model is based on YOLOv3 algorithm andtrained with regularization and binary cross entropy as loss function. The target detection model selects the target boundary box satisfying the preset conditions according to the intersection ratioand non-maximum suppression algorithm, and determines the center coordinate of the target boundary box to locate the position of the moving target. The present application utilizes an object detectionimage model to locate a moving object in a captured moving object image, and for a plurality of successive frames of successive images, by locating a moving object in each frame of the images, tracking detection of a moving object behavior in a video is realized. The present application improves the detection speed and positioning accuracy of a moving object.

The invention provides an audio data transmission method between double wireless earphones, and the double wireless earphones. The method comprises the following steps: a first wireless earphone performs data link with a wireless communication module of an audio player through a first wireless communication module to receive audio data; when the first wireless communication module receives first frame of audio data, the first wireless communication module inserts a playing starting time in an audio data packet; the audio data packet carrying the playing starting time is decoded and is divided into two paths of sound channel data, wherein one path of sound channel data outputs audio, and the other path of sound channel data is encoded; a second wireless communication module of the second wireless earphone receives the encoded audio data packet; the second wireless communication module of the second wireless earphone controls a playing starting time point according to the playing starting time in the encoded audio data packet. According to the audio data transmission method, the sound of the two earphones in wireless communication link reduces the blockage and generates no drift with time by means of wireless communication protocol extension and delay control.

The invention discloses a buffering method and device of video data, and relates to the technical field of information. First in the process of playing video data, video data to be played are cached in a video buffering area with a preset buffering length; then whether playing status information of the current video data satisfies a preset condition is detected according to a preset time interval; and the preset buffering length corresponding to the video buffering area is adjusted according to a detection result. By utilization of the abovementioned scheme, when network conditions are not ideal, the occurrence of a phenomenon of unsmooth playing of a live video is reduced, and when the network conditions are relatively good, the real-time performance of playing of the live video can be improved.

The invention discloses a method for rendering a user interface. The method comprises the steps of triggering rendering of a user interface of a to-be-rendered object based on a main thread; switchingthe main thread to a subsidiary thread, and drawing a bitmap corresponding to the to-be-tendered object through the subsidiary thread; calling back the main thread, and applying the drawn bitmap to displaying content of the to-be-tendered object; rendering the user interface according to the displaying content of the to-be-tendered object. By means of the method for rendering the user interface,bitmap drawing operations which are originally executed in the main thread are transferred to the subsidiary thread to be executed, thus the load of the main thread is alleviated, and it is avoided that the user interface gets stuck when the main thread timely handles rendering tasks while having heavy tasks.

The invention discloses a restoration method and apparatus for jamming caused by a system process runtime exception and a mobile terminal. The method specifically comprises: performing statistics and detection on system processes, and monitoring whether an operation system is jammed or not; if detecting that the operation system is jammed, searching for one or more system processes with the highest memory occupation rate in the system processes causing the jamming, and marking the searched system process as a forbidden process; starting a timer T1 for notifying the operation system to forbid the calling of the forbidden process in the timer T1; and lowering the priority of the system process causing the jamming. With the restoration method, the system jamming can be automatically detected; and by starting the timer T1 for notifying the operation system to forbid the calling of the forbidden process in the timer T1, and lowering the priority of the system process causing the jamming, the jamming and unsmooth phenomena of the operation system are reduced, the operation experience of users is improved, and the smooth operation of the mobile terminal is enjoyed.

The invention discloses a live broadcast method on the basis of a mobile terminal. The live broadcast method includes carrying out beautification processing on video according to video beautification strategies to obtain beautified video data if the fact that the mobile terminal is an anchor end is detected; uploading the beautified video data to streaming media servers to allow audience ends to receive the beautified video data distributed by the streaming media servers; receiving live broadcast messages transmitted by message servers, carrying out dynamic packet loss processing on the live broadcast messages and then displaying the live broadcast messages in corresponding regions of the mobile terminal. The video is recorded by the mobile terminal. The invention further discloses the mobile terminal. The method and the mobile terminal have the advantages that dynamic packet loss processing is carried out on the live broadcast messages at the anchor end and the audience ends during live broadcast, accordingly, jamming due to animation and text information overload during live broadcast interaction can be effectively reduced, and the interaction experience can be enhanced for anchors and audiences during live broadcast.

The embodiment of the invention discloses a coding rate control method. The method comprises the steps that UE receives uplink rate estimation information which is sent by a base station and corresponds to the UE; the UE determines a target coding rate according to the uplink rate estimation information obtained by the base station for the UE; and when the rate deviation of the target coding rate and a current coding rate exceeds a preset range, the UE adjusts a to-be-sent signal according to the target coding rate, so the coding rate of the to-be-sent signal approaches to the target coding rate, wherein the current coding rate is the coding rate of sending the signal to the base station currently by the UE. The embodiment of the invention also provides the UE, the base station and a coding rate control system. According to the method, the system, the UE and the base station, the UE actively adjusts the coding rate according to the uplink rate estimation information fed back by the base station, so the coding rate of the signal is adjusted in real time, the coding rate can adapt to the channel quality change rapidly, the service quality is improved, and the delay is reduced.

The invention discloses a method for mirroring from a smart phone to a vehicle-mounted system. The smart phone and a vehicle-mounted device are included. The method is characterized by comprising the steps as follows: a) the smart phone and the vehicle-mounted device are connected through an independent display channel and an interactive channel respectively; b) a display content is mirrored in a vehicle-mounted screen through the display channel by the phone; and c) operations are mirrored in the smart phone through the interactive channel by the vehicle-mounted device. The method has the benefits as follows: the system cost is reduced, the mirroring efficiency is improved, and software system optimization is simplified.

The invention provides a fast broadcast starting method and apparatus of high-definition live video, and relates to the technical field of live video. The method comprises the following steps: receiving live video data from a live broadcast source in real time, performing parsing according to the currently received live video data, determining a live broadcast parameter of the live broadcast source, caching live broadcast cache data according to the live broadcast parameter and the currently received live video data, and quickly sending the live broadcast cache data to a live broadcast terminal, so that the live broadcast terminal can quickly start broadcasting the live broadcast cache data. The shortest cache time length of the live broadcast cache data needing to be cached at present iscalculated according to the live broadcast parameter and a predetermined algorithm, and the live broadcast cache data are automatically updated in real time according to the shortest cache time lengthand a complete GOP requirement. The live broadcast cache data with the shortest cache time length are met, and the phenomenon that the screen is blocked or the delay is too long after the broadcast is started is reduced; and furthermore, the live broadcast cache data are sent to the live broadcast terminal according to a fast sending speed, thereby improving the broadcast starting speed of the live broadcast terminal, and accordingly, the user placing experience is improved.

The invention discloses a data retransmission method, a data retransmission device, terminal equipment and a storage medium. The data retransmission method is applied to a receiving end, and comprisesthe steps of: receiving data packets transmitted by a transmitting end, wherein each data packet carries a serial number used for describing the uniqueness of the data packet, the serial numbers areconsecutive, and the receiving end and the transmitting end are based on an unreliable protocol; storing a missed serial number in a pre-retransmission cache region when detecting that the serial numbers of the acquired data packets are not consecutive, recording storage time of the missed serial number and calculating to-be-used time of the data packet corresponding to the missed serial number; and requesting for retransmission of the data packet of a target serial number to the transmission end or a third end storing the data packet corresponding to the missed serial number, wherein the target serial number comprises a serial number with the storage time reaching first preset time or the to-be-used time not longer than second preset time. The data retransmission method, the data retransmission device, the terminal equipment and the storage medium aim to solve the problem of data retransmission redundancy or influence on data usage in the existing data retransmission technology.

The invention provides a panoramic video transmission method, a transmission device and a transmission system, wherein the panoramic video transmission method is applied to a client and comprises thesteps of acquiring a media file from a server end and analyzing the file, and downloading video segments according to the media file; in a loading process, acquiring head position information of a user, and predicating viewing probability of the video segments according to the head position information; calculating the size of a video playing buffering area, and calculating a total code rate upperlimit of the video segments according to the estimated network bandwidth and the size of the video playing buffering area; calculating the spatial quality change of the video segments and the expected distortion of the video segments, establishing a QoE model according to the spatial quality change and the expected distortion of the video fragments, and selecting the to-be-downloaded video fragments. The panoramic video transmission method, the transmission device and the transmission system realize technical effects of reducing data volume in panoramic video transmission, improving video quality, reducing spatial quality fluctuation and lags in video playing.

The invention discloses an embedded dynamic video playing control method and device based on a network throughput. The method comprises the following steps: obtaining the network throughput, an undownloaded data volume and a buffered video length of a current network video stream; calculating the capacity of a target buffer area according to the calculated expected downloading time and the network bandwidth; calculating a fast playing threshold value and a slow playing threshold value according to the standard buffer area capacity of the previous time frame, and determining the control time delay of video stream playing according to the target buffer area capacity and the fast playing threshold value and the slow playing threshold value; calculating a sliding mean value and a sliding relative adjacent difference according to the video stream with the sliding window throughput, and determining a switching code rate of video playing according to the sliding mean value, the sliding relative adjacent difference and the current network throughput; and playing the video stream according to the control time delay of video playing and the switching code rate. According to the invention, the playing purpose of minimizing video lagging and maximizing the video code rate can be considered, so that the video quality is further improved, and the user experience is improved.

Embodiments of the invention disclose a management method and a management module for a background application and relate to the field of terminal control for reducing the waste of the background application with the low utilization rate about system resources. Compared with the prior art, the number of the background applications is reduced, the standby duration is prolonged and the system lag is relieved and even avoided. The method comprises the following steps of detecting that a first application is turned to run in the background; recording a background duration of running the first application in the background; judging whether the background duration exceeds a preset duration; and if yes, closing the first application.

The invention discloses a live broadcast buffering system and a method. The system runs on a live broadcast buffering server. When a plurality of clients request FLV live broadcast video stream from the live broadcast buffering system, the system obtains the live broadcast video stream from a video program source station and provides the live broadcast buffering service for the plurality of clients. Through the system of the invention, after the live broadcast flow is optimized on line, the 5G flow is reduced for the export bandwidth of the operator, the export bottleneck of the operator is avoided, and the cost for purchasing the export bandwidth is also reduced. And improves the experience of watching live broadcasts.

The invention discloses a rendering method and device. The first batch of rendering content and the second batch of rendering content using the same material are searched, and the intermediate batch of rendering content of which the rendering sequence is arranged between the rendering sequences of the first batch of rendering content and the second batch of rendering content is acquired; and whether the second batch of rendering content and the intermediate batch of rendering content are mutually overlapped is judged, and the second batch of rendering content is combined with the rendering batch of the first batch of rendering content when the second batch of rendering content and the intermediate batch of rendering content are not mutually overlapped so that the rendering batch can be greatly reduced without influencing the original rendering effect, rendering performance of the system can be enhanced and frame stagnation can be reduced.

The invention discloses a video stream generation method and apparatus, an electronic device and a storage medium. The method comprises the steps of receiving a user operation instruction and user network state information transmitted by a client; generating a to-be-processed video according to the user operation instruction; determining a current code rate according to the user network state information; carrying out saliency processing on an image contained in the to-be-processed video to obtain saliency information of the macro block, wherein the macro block is an area containing a preset number of pixel points in the image; determining a coding parameter according to the current code rate and the significance information of the macro block; and encoding an image contained in the to-be-processed video based on the current code rate and the encoding parameters to generate a video stream to be transmitted to the client. Thus, the probability that the video is jammed can be reduced, and the quality of the region of interest of the user in the video is improved.

The invention provides a video playing control method and device. The control method applied to a server side comprises the steps of receiving angle of view direction data of a user; obtaining a coordinate range of a region irrelative to an angle of view of a user through utilization of a predetermined three-dimensional mapping model according to the angle of view direction data of the user, wherein the region is in the three-dimensional mapping model; determining a discarded image region corresponding to the coordinate range in a to-be-output panoramic video image according to the determined coordinate range in the three-dimensional mapping model; and transmitting the image data of the residual region in the to-be-output panoramic video image except the discarded image region to a view image output terminal. According to the embodiment of the method and the device, the problem that in the prior art, either the consumption is relatively high or a video is delayed relatively seriously when a panoramic video is played is solved.

The invention relates to an implementation method of a barrage effect, comprising the following steps: step 1, custom barrage metadata class DanmakuBean is used for storing barrage metadata; step 2, custom barrage layout class DanmakuItem is used for displaying barrage; step 3, custom barrage data class DrawerBean is used for providing relevant computation of barrage movement; step 4, custom classDanmakuItemDrawer is used for drawing barrage items; and step 5, custom class DanmakuView is used for drawing and rendering in the thread. According to the method, the custom class is used for drawing the barrage items, and local rendering and drawing updating are carried out on barrage information by sub threads in the custom class, so that the influence to the whole interface is little, the fluency is improved, lag is reduced, the user experience is enhanced, and the memory and cpu occupation is also reduced.

The invention discloses a method and a system for loading a Web page in a browser of a mobile terminal. The method comprises the following steps of packaging different elements, which form a target Web page, in a plurality of components, and storing the components in a Web server; obtaining preset components from the Web server, and loading an initial Web page comprising the preset components; and according to different operations of accessing the Web page, obtaining target components corresponding to the operations from the Web server, and loading the Web page comprising the target components. Compared with the prior art, the method and the system have the advantages that by utilizing a single-page Web framework technology, a user is not disturbed by page jump in a task operation process, so that the jamming problem in the Web page jump of the mobile terminal is greatly reduced; and the whole task process is finished in one page, so that the man-machine interaction efficiency and comfort are effectively improved.

The invention provides a skeleton point detection method and device, processing equipment and a storage medium, and relates to the technical field of skeleton point detection, the method comprises thefollowing steps: obtaining an image sequence of a to-be-detected object, the image sequence comprising continuous multi-frame images; Determining detection frames from the image sequence according toa preset frame interval, wherein the image frame between two adjacent detection frames is a tracking frame; Obtaining a skeleton point detection result of the detection frame; Based on the skeleton point detection result, obtaining a skeleton point tracking result of each tracking frame through optical flow calculation; And determining a final detection result according to the skeleton point detection result and the skeleton point tracking result. According to the embodiment of the invention, an inter-frame detection mode is adopted, power consumption is reduced, the positioning precision ofskeleton points is ensured, and the jamming or delay feeling generated when a skeleton point positioning result is applied is reduced.

The invention discloses a display device and a scheduling method for Bluetooth communication resources of the display device. The display device comprises a display, a controller and a Bluetooth module, the Bluetooth module is used for executing a corresponding processing task according to control of the controller, and the controller is configured to obtain the state of the Bluetooth module whenan operation request of an application for the Bluetooth module is received; if the Bluetooth module is in the working state, determining the priority of a target processing task corresponding to theoperation request and the priority of a current processing task of the Bluetooth module; judging whether the priority of the target processing task is higher than that of the current processing task or not; If the priority of the target processing task is higher than that of the current processing task, controlling the Bluetooth module to suspend execution of the current processing task, and executing the target processing task. Through application of the method and the device, resource preemption can be avoided, the success rate of equipment pairing and connection is improved, Bluetooth audiojamming is reduced, and reasonable scheduling and effective use of Bluetooth communication resources are realized.

The invention discloses a Bluetooth audio transmission adjustment method. The method comprises the steps of obtaining a current Bluetooth audio transmission packet loss rate of a terminal; judging whether the current Bluetooth audio transmission packet loss rate is greater than or equal to a preset packet loss rate threshold value or not; if the current Bluetooth audio transmission packet loss rate is greater than or equal to the preset packet loss rate threshold value, calculating Bluetooth transmitting power corresponding to the current Bluetooth audio transmission packet loss rate according to a preset algorithm; and adjusting the current Bluetooth transmitting power of the terminal according to a calculation result. The invention also discloses a Bluetooth audio transmission adjustment device. According to the method and the device, the technical problem of audio delay resulting from packet loss in the Bluetooth audio data transmission process can be solved.

The invention relates to the technical field of computers, and provides an image processing method and device, a computer readable storage medium, and electronic equipment. The image processing methodcomprises the following steps: rendering and generating a plurality of image frames by a first engine, and encoding and compressing each image frame to form a video stream; sending the video stream to terminal equipment in real time; and receiving operation information of a user on the video stream sent by the terminal equipment in real time, and processing the operation information by the firstengine so as to control the image frames. According to the image processing method provided by the invention, the transmission amount of data can be reduced, jamming can be reduced, and the picture quality can be improved on the one hand; and on the other hand, the operation of the user on pictures is facilitated, and the user can truly feel the interaction between virtual and reality, thereby improving the user experience.

The invention provides a data processing method and device, electronic equipment and a computer readable storage medium, and the method comprises the steps: receiving a plurality of data packets transmitted by a transmitting end according to a UDP protocol, storing the data packets in a cache queue according to the sequence of receiving the data packets, obtaining a first data packet from the cache queue according to the sequence of first-in first-out, adding the first data packet into a sorting queue, judging the size relationship between the packet serial number of the first data packet anda first expected packet serial number, wherein the first expected packet serial number is the packet serial number of the data packet expected to be received by the receiving end at present, and whenthe packet serial number of the first data packet is the same as the first expected packet serial number, taking out the first data packet from the sorting queue, and carrying out preset processing onthe first data packet. By using the data processing method provided by the invention, the data packets arriving out of order can be sorted and sorted, and then preset processing is carried out, so avideo lag or blurred screen phenomenon is reduced.

The invention discloses an anti-blocking impact hammer crusher comprising a casing; and the top portion of the casing is rotatably connected to a stone-blocking plate through a movable member, the bottom of the stone-blocking plate is rotatably connected to the casing through a damper, the inner wall of the casing is rotatably connected to a stone-crushing device, one side of the inner wall of thecasing is fixedly connected to a fixing plate, the surface of the fixing plate is fixedly connected to a crushing plate, one side of the inner wall of the casing is fixedly connected to a first electromotor, and the output shaft of the first electromotor is fixedly connected to a rotating rod. The invention relates to the technical field of engineering application machinery. The anti-blocking impact hammer crusher has a double crushing function and can crush materials faster and better, and has the ability to quickly clear blockage, the crusher does not need to be disassembled and repaired, the production capacity of the tooth-type crusher is improved and a cleaning function is obtained, so that the production of different kinds of materials can not affect each other, and the service lifeof the crusher is prolonged.

An embodiment of the invention discloses a theme switching method, a mobile terminal and a computer storage medium. The theme switching method includes: when a theme switching instruction is received,acquiring name of a target theme according to the theme switching instruction; copying the target theme to a preset cache region according to the name of the target theme; updating the target theme from the preset cache area into a database of a tabletop starter; loading the target them in the tabletop starter. By arranging the cache area, a to-be-switched theme is put in the cache region in advance, theme loading speed can be increased, theme switching efficiency is improved, lagging is reduced, switching time is reduced, and user experience is improved.

The invention discloses a method and a system for downloading fragments based on playing cache sizes. According to the method, video data required for playing a video is downloaded on the basis of fragments, the playable duration of a playing cache is detected regularly when the video data required for downloading each current fragment is downloaded, and if the playable duration of the playing cache is smaller than a first threshold value, an available downloading source with a higher downloading rate is selected as a downloading source of a next fragment; And if the playable duration of the playing cache is greater than a second threshold value, selecting an available downloading source with a lower bandwidth price as a downloading source of the next fragment, and the second threshold value is greater than the first threshold value. According to the invention, errors can be effectively reduced, the playing jamming probability is reduced, and the bandwidth cost is reduced, so that thewatching experience of Internet video-on-demand is improved, and the user viscosity of a video platform is improved.

The invention relates to a temperature equalization component and an electronic device. The temperature equalization component can comprise a shell and a capillary structure. The shell may include a cavity, the capillary structure is positioned in the cavity, and the shell is arranged at one side facing a heating element. The shell is provided with a first protruding part and / or a first concave part, and the direct contact between the temperature equalization component and the heating element is achieved through the first protruding part and / or the first concave part, so that the heat transferefficiency is improved, then the possibility that heat is accumulated around the heating element is reduced, and the heat dissipation effect of the temperature equalization component is improved.