Reports of the Technical Conference of the Institute of Image Electronics Engineers of Japan
Online ISSN : 2758-9218
Print ISSN : 0285-3957
Reports of the 198th Technical Conference of the Institute of Image Electronics Engineers of Japan
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Host: The Institute of Image Electronics Engineers of Japan

A method of video transcoding using updatable scalability
Masashi Murasaki, Mei Kodama, Kazufumi Kaneda, Hideo Yamashita
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Keywords: Updatable Scalability, Spatial Scalability, Video Transcoding, Quantization Control, Quantization Parameter, Macroblock Type
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Abstract

A scalable bitstream syntax currently is used to realize the scalable video requirement. Compared with non-scalable video decoder, a much more complex video decoder is need to decode scalable bitstreams. However, it is considered that a video decoder should implement as simple as possible to play some quality video which users want. From this view point, a scalable video coding scheme by updatable bitstream is proposed to realize the scalability without scalable video decoder. In this paper, we pay attention to spatial updatable scalability and explain this algorithm. Finally, our proposed method is evaluated from the view point of the coding efficiency.

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© 2002 by The Institute of Image Electronics Engineers of Japan
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