S. Chandra, C. S. Ellis, and A. Vahdat. ApplicationLevel Differentiated Multimedia Web Services Using Qality Aware Transcoding. IEEE Journal on Selected Areas in Communications, 2000.  Home/Search   Document Details and Download   Summary   Related Articles   Check

....3.3. 1 Quality aware transcoding Chandra et al. have proposed transcoding techniques to provide differentiated service to Web devices and to dynamically allocate available bandwidth among different device classes, while delivering good quality of information content for all clients [CEV99, CE99, CEV00] The idea presented is to deliver the information on a Web server according to network connectivity and client device characteristics. The technique proposed concentrates on adapting JPEG images based on bandwidth information. If the connection is weak (i.e. slow) for example, the quality of ....

Surendar Chandra, Carla Schlatter Ellis, and Amin Vahdat. Application-Level Differentiated Multimedia Web Services Using Quality Aware Transcoding. IEEE Journal on selected areas in communications, 18(12):2544 2565, December 2000.

....power, differentiated services should be tailored and delivered in a certain way to meet their diverse needs. In addition, users may have different content presentation preferences. Both lead to the demand of transcoding technologies to adapt the same Web object to various mobile appliances [6]. Transcoding is defined as a transformation that is used to convert a multimedia object from one form to another, frequently trading off object fidelity for size. For the mobile appliances featured with lower bandwidth network connectivity, transcoding can be used to reduce the object size by ....

....side is extremely costly due to the limited connection bandwidth and computing power of a mobile device. For these reasons, it will be better to transcode the Web objects at the intermediate proxies. Many studies have recently been conducted to explore the advantages of proxy based approaches [6][7] 9] 10] where an intermediate proxy is able to on the fly transcode the requested object to a proper version according to the client s specification before it sends this object to the client. Such an intermediate proxy which possesses the transcoding capability is referred to as a transcoding ....

S.Chandra,C.Ellis,andA.Vahdat.Application-LevelDifferentiated Multimedia Web Services Using Quality Aware Transcoding. IEEE Journal on Selected Areas in Communications, 2000.

....more efficiently transmitted over the air and rendered on the terminal. Transcoding has received a lot of attention in recent years, where a network server transforms the image or streaming media content to different formats, including different window sizes, resolution, grayscales, and bandwidths [39, 36, 40, 41]. Terminal mobility adds a new dimension in the problem of proxy services in wireless networks. As the terminal moves within the network, it may be necessary for the proxy to handoff the proxy service such as transcoding or caching to a new proxy [42, 43, 44, 45] Mobility network layer support ....

S. Chandra, C. Ellis, and A. Vahdat, "Application level differentiated multimedia web services using quality aware transcoding," IEEE Journal on Selected Areas in Communications, vol. 18, no. 12, pp. 2544--2564, Dec. 2000.

....is described that is based on performance isolation and admission control. Unlike these architectures, ours uses control theory as a mathematical foundation for adaptation. User studies are discussed in [19, 16] which analyze the perceived quality of adaptation from a user s perspective. In [23], an architecture is proposed for online transcoding of web objects. Transcoding adapts to differences in clientside resources, such as differences in resource capacity between low bandwidth wireless and high bandwidth wired clients. Transcoding can also adapt service quality to variable network ....

S. Chandra, C. Ellis, and A. Vahdat. Applicationlevel differentiated multimedia web services using quality aware transcoding. IEEE Journal on Selected Areas in Communications, 18(12):2544--65, December 2000.

....informed transcoding technique in customizing the multimedia object for the prevailing network conditions. We show how a web server can dynamically allocate available bandwidth among different client classes, while delivering a high degree of information content (Quality Factor) for all clients [26, 25]. We also demonstrate that it is possible to use informed transcoding techniques in a network proxy to balance the demand for quality of multimedia content while reducing consumed network bandwidth and server CPU overhead 8 [24] 3. We also demonstrate techniques that allow application ....

....transcoding technique in customizing the multimedia object for the prevailing conditions. In Chapter 5, we show how a web server can dynamically allocate available bandwidth among different client classes, while delivering a high degree of information content (Quality Factor) for all clients [26, 25]. In Chapter 6, we investigate the potential benefits and overhead in providing differentiated service for the web, using a proxy server that performs quality aware, informed transcoding for mobile end users accessing the web via wireless networks. We demonstrate that it is possible to use ....

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Surendar Chandra, Carla Schlatter Ellis, and Amin Vahdat. Applicationlevel differentiated multimedia web services using quality aware transcoding. IEEE Special Issue on QOS in the Internet, 2000.

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S. Chandra, C. S. Ellis, and A. Vahdat. ApplicationLevel Differentiated Multimedia Web Services Using Qality Aware Transcoding. IEEE Journal on Selected Areas in Communications, 2000.

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S. Chandra, C. S. Ellis, and A. Vahdat. Application-level differentiated multimedia Web services using quality aware transcoding. IEEE J. on Selected Areas in Communications, 18(12):2544--2265, 2000.

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S. Chandra, C. S. Ellis, and A. Vahdat, "Application-level differentiated multimedia web services using quality aware transcoding," IEEE J. Select. Areas Commun., vol. 18, no. 12, pp. 2544--2565, Dec. 2000.

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S. Chandra, C. S. Ellis, and A. Vahdat, "Application-level Differentiated Multimedia Web Services Using Quality-aware Transcoding ," IEEE Journal on Selected Areas in Communications, Special Issue on QoS in the Internet, vol. 18, no. 12, 2000.

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S. Chandra, C. S. Ellis, and A. Vahdat. ApplicationLevel Differentiated Multimedia Web Services Using Qality Aware Transcoding. IEEE Journal on Selected Areas in Communications, 2000.

No context found.

S. Chandra, C. S. Ellis, and A. Vahdat. Applicationlevel differentiated multimedia Web services using quality aware transcoding. IEEE J. on Selected Areas in Communication, 18(12):2544--2465, Dec. 2000.

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