The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
In the present multipath transmission technology, lack of research on QoE evaluation mechanism, most of previous QoE evaluation mechanism applied to traditional p2p transmission, thus cannot give full play to the multipath QoE for path measurement, load distribution and congestion control management forecast monitoring function. Therefore, this paper from the current research situation and progress...
This paper firstly elaborates the video transmission quality evaluation methods, and gives an overall scheme of video transmission simulation and quality evaluation system, then based on the open-source network simulation software NS-2, realizing the the entire system, finally, simulation experiments are provided to demonstrate the feasibility of the system, the result shows that the video transmission...
A novel packet-level adaptive FEC scheme of the hierarchical video stream in wireless communications is proposed, in which cross layer design is deployed. We formulate the Euclidean Distance of receiving sequence, which is used to estimate packet error rate of wireless channel by receiving side. We extend the analytical model of playable frame rate of video and connect it to the effective utilization...
Real-time monitoring system has important practical value for industry production, and the monitoring systems nowadays cannot satisfy both remote monitoring and high definition requirement. A high definition real-time monitoring system scheme based on embedded network streaming media is proposed after further research on image segmentation technique. Remote monitoring system is realized, data quantity...
Current educational presentations are commonly multimedia-based and with the realization of the mobile enterprise, accessing of such presentations stored on server from mobile devices will become increasingly common. This paper presents the results of our efforts with regard to the design and implementation of a client/server based mobile multimedia system for remote education. The system can automatically...
DM642 is a DSP chip launched by TI Company specifically for image processing. Based on the C64X series chips, it appends a number of peripheral equipments and interface ports, which make DM642 more suitable to process video code-streams. The paper introduces the SEED's DM642 development platform and the structure and performance related to video encoding and decoding, and achieves the gray-scale projection...
The paper introduces a method of Embedded Wireless Video monitoring System based on GPRS (General Packet Radio Service). First the S3C2410 platform is given based on the Embedded Linux, and the develop software environment on the platform. And then describe how to achieve the image collection on the platform, introduce the program of video capture, accomplish the JPEG (Joint Photographic Experts Group)...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.