Advances in Multimedia Information Processing - PCM 2005: by Taeseok Kim, Hyokyung Bahn, Kern Koh (auth.), Yo-Sung Ho,

By Taeseok Kim, Hyokyung Bahn, Kern Koh (auth.), Yo-Sung Ho, Hyoung-Joong Kim (eds.)

We are overjoyed to welcome readers to the court cases of the sixth Pacific-Rim convention on Multimedia (PCM). the 1st PCM used to be held in Sydney, Australia, in 2000. on account that then, it's been hosted effectively by way of Beijing, China, in 2001, Hsinchu, Taiwan, in 2002, Singapore in 2003, and Tokyo, Japan, in 2004, and at last Jeju, the most appealing and incredible islands in Korea. This yr, we permitted 181 papers out of 570 submissions together with typical and certain consultation papers. The attractiveness cost of 32% shows our dedication to making sure a really top of the range convention. this could now not be attainable with no the complete aid of the wonderful Technical Committee and nameless reviewers that supplied well timed and insightful stories. we'd consequently prefer to thank this system Committee and all reviewers. this system of this 12 months displays the present pursuits of the PCM’s. The permitted papers conceal a number of issues, together with, all facets of multimedia, either technical and inventive views and either theoretical and useful matters. The PCM 2005 software covers instructional periods and plenary lectures in addition to ordinary displays in 3 tracks of oral periods and a poster consultation in one tune. now we have attempted to extend the scope of PCM to the creative papers which needn't to be strictly technical.

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Extra info for Advances in Multimedia Information Processing - PCM 2005: 6th Pacific Rim Conference on Multimedia, Jeju Island, Korea, November 13-16, 2005, Proceedings, Part II

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Patterson and John L. Hennessy: Computer Organization & Design. 392–490, 1998 6. Brian K. Schmidt, Monica S. Lam, J. Duane Northcutt: The interactive performance of SLIM: a stateless, thin-client architecture. 31–47, 1999 7. C. Feng and M. Lie: Critical Bandwidth Allocation Techniques for Stored Video Delivery Across Best-Effort Networks. 201–207, 2000 8. Jung-Min Choi, Seung-Won Lee, Ki-Dong Chung: A Muticast Delivery Scheme for VCR Operations in a Large VOD System. 555–561, June 2001 An Effective Failure Recovery Mechanism with Pipeline Computing 23 9.

The buffer manager divides the memory buffer into the cache and the read-ahead buffer. The read-ahead buffer stores data to be sent immediately to clients while the cache stores data already sent to clients which can be reused when requests for the same object arrive. Note that data in the memory buffer do not actually move their physical positions (from the read-ahead buffer to the cache) but just a cache flag is used to indicate whether it is in the cache. For each stream request, when the requested block is not in the cache, the I/O manager acquires a free block, inserts it into the read-ahead buffer, and starts disk I/O.

Ozden et al. proposed a cache replacement algorithm named distance algorithm which is similar to the interval caching policy [5-6]. It assigns a distance value to each request based on its distance from the previous request and always replaces the block consumed by the request with the largest distance value over all streams. The interval caching scheme and the distance algorithm only focus on the inter-arrival times between two consecutive requests. Therefore, when the size of a multimedia object is not sufficiently large or when the inter-arrival time of stream requests is too long, there is little opportunity to obtain the effectiveness of caching.

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