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Multi-level encoding and placement techniques for multi-resolution video streams on a disk array

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3 Author(s)
Jinhwan Kim ; Sch. of Inf. & Comput. Eng., Hansung Univ., South Korea ; Namyun Kim ; Heonshik Shin

We propose multi-level encoding and placement techniques to efficiently support the retrieval of video streams on a disk array at different resolutions. For the MPEG-1 compression algorithm, this encoding technique first partitions the parent video stream in the temporal dimension. Each frame in the sub-stream is then partitioned in the chroma dimension yielding a low-resolution and a residual component. The server stores blocks of a component on a disk and stores blocks of different components on consecutive disks in a round-robin manner. The lower the resolution level being maintained, the smaller is the number of disks accessed by each client

Published in:

TENCON 99. Proceedings of the IEEE Region 10 Conference  (Volume:2 )

Date of Conference:

Dec 1999