101results about How to "Smooth viewing" patented technology

Images are efficiently collected or delivered so that uncomfortable feeling given to users who view picked images picked up at vehicles and delivered by an image server is lessened. An image server is so constructed that the following operation is performed: the picked image of the surroundings of a vehicle, picked up with a camera mounted on the vehicle, and the image pickup information of the picked image, including information about the image pickup point, are stored on a storing medium; and picked images stored on the storing medium are delivered to users who view received picked images. One is selected from among picked images inputted from a vehicle with respect to each of areas to which the image pickup points of those picked images belong based on the image pickup information and a predetermined selection condition. The selected picked image is stored on the storing medium.

The invention discloses a video coding and network transmission method and a video forwarding server. The video coding and network transmission method comprises the steps of A, carrying out coding on each frame of image, generating standard code stream according to preset display standards, the lowest bandwidth capable of playing the standard code stream smoothly is defined as a standard bandwidth; B, judging real-time bandwidths, dissociating at least one frame image from the frame images displayed by the standard code stream each second by adopting the mode of dropping frames initiatively if the real-time bandwidths are lower than the standard bandwidth, generating sending code stream transmitted outwards, adding at least one frame of image data from the dissociated frame data by adopting an initiative frame adding mode if real-time bandwidth is increased after the frames are dissociated, and transmitting the standard code stream outwards if the real-time bandwidths are larger than or equal to the standard bandwidth. According to the video coding and network transmission method and the video forwarding server, the image quality of each frame is not lowered, the smooth displaying of videos can be guaranteed, therefore, the video quality of different bandwidth situations can be improved, and extra communication cost cannot be increased.

A frontlit touch panel for use with a reflective light valve, comprising a front light guide having at least one light input face that supplies light to the guide, a viewing face, a light output face opposite the viewing face, and at least one component of a touch-sensitive transducer, the light output face having a light extraction layer thereon having a substantially flat light exit face and containing buried reflective facets that extract supplied light from the guide through the light exit face. The touch panel can be used with a light source, reflective light valve and suitable control electronics to form a compact, efficient illuminated touch panel display assembly.

The invention discloses a vision computing and inertial measurement unit-based virtual reality interactive device in the technical field of virtual reality interaction. The interactive device comprises a three-dimensional display device, an industrial camera module, three-dimensional glasses, a user interactive peripheral and a computer system, wherein the industrial camera module obtains two or more image signals in a view field range and inputs the image signals to the computer system; and the computer system distinguishes and tracks mark points or active luminous components with high-reflective coatings on the three-dimensional glasses worn by a user and the user interactive peripheral, and outputs a focal point of a sight line of the user and the three-dimensional display device, and spatial position and direction of the user interactive peripheral. The interactive device can be used on desktop-level or large-screen projection and has expansibility and maintainability; and high precision and low time delay can be achieved, continuous operation can be performed, and sight line shielding does not exist.

The present invention provides a method for distributing and encrypting streaming media, characterized in that: first a DRM encryption is performed on a movie which can be played or downloaded, then a distribution is performed by P2P technology, the movie only can be normally watched when an effective certificate is obtained during the playing, so that the problems of slow play speed, slow download speed and pirate can be solved at the same time. The specific work flow of the method comprises the following steps: (1)a digital program authorization center is established; (2)a digital program is encrypted by using a secret key, and the encrypted information is stored into the head of the digital program; (3)an authentication of the digital program authorization center and a decoding of the secret key are needed to be obtained when the program is requested; (4)users play the digital program by the decoding of the secret key; (5)the downloaded digital program can not be played without the authentication authorization; and (6)users can share the download by means of P2P, or perform a download on the P2P server. The benefits of the present invention is that: the method can ensure application and popularization of the streaming media, effectively solve the copyright protection problem of the video downloads, and has an active effect on protection of media industry.

The invention discloses an intelligent dynamic license plate recognition system, and the system consists of an embedded camera, an LED light supplement unit, a network transmission device, and a central management device. The embedded camera is connected with the central management device through the network transmission device. The embedded camera is also connected with the LED light supplement unit. The embedded camera traces the track of a passing vehicle, makes judgment, and uploads the license plate recognition information and processing results to the central management device through the network transmission device for storage. When a traffic accident happens, the embedded camera also triggers an alarm device of the central management device, and the related personnel is informed for processing. The system automatically recognizes license plate data in a vehicle law violation image and a gate image, license plate bottom color, vehicle body color, and vehicle identification. The system also has a function of detecting abnormality and traffic accidents (abnormal parking and queuing jam) in a monitoring visual region in real time, and giving an alarm.

The invention discloses a video transmission method and device. The method comprises following steps of receiving the video stream of a collected party; successively placing each video frame in the video stream in a cache queue; successively extracting and transmitting the video frame from the cache queue through a network; monitoring the length L of the video frame queue in the cache queue; if L is less than or equal to H, not deleting a frame, wherein the H is equal to the sum of the time length of a group of pictures GOP and a preset time offset value; if the L is more than the H and the frames of two GOPs exist in the cache queue, starting from the last P frame of the former GOP in the cache queue to delete one or multiple P frames until the L is enabled to be less than or equal to the H. Compared with the prior art, the technical solution provides a more effective method for discarding video frames; a user can fluently watch more video contents when the network condition is relatively poor; and the watching experience of the user is greatly optimized.

The invention discloses a wireless live streaming media transmission method. According to the method, a send level of a transmitting end is confirmed through active detection of wireless network connection rate and lost fed back by a receiving end, sent data content is confirmed according to the send level, when the send level is the highest level, the transmitting end transmits all data frames of the live streaming media, when the send level is the lowest level, the transmitting end only transmits key frames of the live streaming media. Through adoption of the wireless live streaming media transmission method, the send level of the transmitting end can be rapidly adjusted in time according to the wireless network state, the transmitting end changes the sent content in real time according to different send levels, so that the receiving end is guaranteed to receive the most complete video images when the network state is good, and the receiving end is guaranteed to receive the video images in real time when the network state is poor.

The embodiment of the invention discloses a self-adaption video transmission system and method of a cell terminal network. The system comprises a first decoder, a first coder, a network state estimation module, a second decoder, a first buffer region and a second buffer region, wherein the first decoder is used for converting the format of a received analog video signal into a digital signal format; the first coder is used for coding a received high-definition digital video signal in an FGS (Fine Granular Scalability) manner; the network state estimation module is used for an estimation algorithm which is used for determining which frame dropping policy is adopted for the first buffer region according to relevant information, of network bandwidth, sent by the second buffer region; and the second decoder is used for decoding a video code stream provided by the second buffer region and converting the video code stream into digital television signals to be used by a home user. By implementing the invention, uniform video signal coding and smoother cell video signal transmission are realized, so that the problems that the user cannot watch the television and the like due to blockage of the video signals are avoided.

The application discloses an interface rendering method and device. According to the scheme, the method comprises the following steps: when detecting that a window interface is displayed, rendering and outputting a first screen image that needs to be currently displayed to the window interface based on a preset low-rendering frame number; when monitoring that a target trigger event that meets the condition of increasing the rendering frame number exists in the window interface, rendering and outputting a second screen image that needs to be currently displayed to the window interface based on a preset high-rendering frame number and continuous animation events triggered by the target trigger event; and when monitoring that the continuous animation events that have not ended do not exist in the window interface, rendering and outputting a third screen image that needs to be currently displayed to the window interface based on the preset low-rendering frame number. According to the scheme disclosed by the application, under the premise that users cannot be affected to normally view the screen images on the window interface, computing resources required to render the screen image on the window interface can be reduced, the energy consumption of terminals can be reduced, and the heat production of the terminals can be reduced.

An image-displaying apparatus has a displaying device including plural displaying parts with the displaying parts being aligned without any space therebetween along the path of mobile object, a supplying device for supplying to the displaying device an image signal on plural still images constituting motion image, a speed-detecting device for detecting a running speed of the mobile object, and a display-controlling device for controlling the supplying device to display the plural still images, respectively, at their set timing on their set positions of the displaying device based on the running speed of the mobile object detected by the speed-detecting device. The image-displaying apparatus provides the motion image obtained by flashing the still images at a predetermined time interval along a path of the mobile object, thereby allowing a person who is travelling by the mobile object to view the motion image due to the still images.

The invention relates to the technical field of network broadcasts, in particular to a control method, device and equipment of a presentation displaying effect of an electronic gift in a direct broadcasting room. The control method comprises the steps of obtaining feature information of a product in terminal equipment; searching the corresponding display performance information from a server according to the feature information of the product, and then obtaining set information of the displaying effect corresponding to the display performance information; saving the set information of the displaying effect so that graphic information of the presentation displaying effect of the electronic gift corresponding to the set information can be restrained base on a set value contained in the set information when data of presenting the electronic gift is generated in the direct broadcasting room. The feature information of the product in the terminal equipment is identified, and then the set information of the presentation displaying effect of the electronic gift in the direct broadcasting room is obtained, the presentation displaying effect of the electronic gift is customized according to differentiation of users using different terminal equipment, and resources in the terminal equipment are reasonably utilized, so that the users watch the network broadcasts more smoothly and comfortably.

Provided is an image display apparatus that displays a page image including a plurality of objects on a screen, determines an amount of movement of the end of the object to be displayed from the end of the screen by detecting a user operation on a touch panel, and sets the end position of the object based on the determined amount of movement when the object to be displayed is larger than the screen.

The embodiment of the invention relates to a video image processing method, a video image processing system and terminal equipment. The method comprises the steps that a first server acquires a videocode stream to be played requested by the terminal equipment; the second server decodes the video code stream to obtain a video; a frame image is partitioned in the video to obtain a plurality of sub-pictures corresponding to the frame image and metadata corresponding to each sub-picture; the metadata is sent to terminal equipment; the synchronous transcoding is performed on all the sub-pictures,and the sub-pictures are stored. In this way, the problem that high-bit-rate online videos cannot be transmitted due to limitation of user network transmission conditions can be avoided. Moreover, only the frame image picture needing to be displayed by the terminal equipment at the next moment is transmitted each time according to the request of the terminal equipment, the influence of the terminal equipment in the aspects of power consumption, heat dissipation, computing power and the like is not considered completely, and the problem that most terminal equipment cannot decode videos of 8K and above 8K is avoided. A user can smoothly watch the ultra-high-definition video through the terminal equipment.

The invention relates to a method for controlling video streaming buffering in real time. The method is mainly characterized by comprising the following steps of initializing and emptying a video buffer pool, judging whether a thread of video buffering exits from a zone bit or not, if yes, exiting from the thread, or, carrying out the next step, updating states of a video buffering area, and then processing data in the video buffering area according to the states of the video buffering area. The method for controlling video streaming buffering in real time is reasonable in design, as the video buffering area is arranged on a computer terminal, and storage and playing of the video buffering area are controlled, users still can watch fluent video images when the network is congested, the problem that previewing of the video images is not fluent when the network is congested is solved, and performance and user experience of a network monitoring system are improved greatly.

The invention relates to a software background adaptive upgrading method and apparatus. The software background adaptive upgrading method comprises the steps of monitoring a TCP downloading request after the system is started; filtering a network video downloading request and a system upgrading software downloading request from the TCP downloading request if the network video downloading request and the system upgrading software downloading request exist in the TCP downloading request at the same time; downloading and playing network video in a TCP link according to the network video downloading request, and obtaining data cache amount of the network video; requesting to start the downloading of the system upgrading software according to the system upgrading software downloading request; and controlling the downloading rate of the system upgrading software in the TCP link according to the data cache amount of the network video. By adoption of the software background adaptive upgrading method and apparatus, available maximum network downloading bandwidth can be supplied to downloading of the upgrading software while smooth network video playing is ensured, so that the problem of bandwidth resource occupation by network video playing and downloading of the upgrading software is solved, thereby improving user experience.

A video processing method, video processing apparatus, and a computer storage medium are also disclosed for implementing a solution for compensating for lost video frames that are lost during transmission. Lost video frame detection and compensation is implemented by separately numbering each video frame, at a data layer of transmission, with no need to perform additional encoding/decoding calculation, and without increasing a load of a server during lost frame compensation. A lost video frame is compensated for by inserting a compensation video frame after the lost video frame is detected, so as to ensure that a total quantity of video frames is not changed, thereby avoiding stalling at the playback end during a playback process because the quantity of video frames decreases, and ensuring smooth watching during video playback.