Real-time SVC bitstream extraction for a dynamic adaptation in video streaming = 비디오 스트리밍에서 동적인 적응변환을 위한 실시간 스케일러블 비디오 코딩 비트스트림 추출

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The video streaming service is widely used thanks to the development of network environment. The scalable video coding is the coding scheme that supports the spatial, temporal, and quality scalability under being standardization by JVT. As using SVC bitstream, it is possible to serve dynamically adapted video streaming by extracting SVC bitstream with changed scalability according to current network condition. It is very important to find how the extractor extracts the necessary data from the SVC bitstream extracts in real-time. In this paper, we propose the real-time SVC bitstream extractor for dynamic adaptation in video streaming under dynamically changing network environment. First, we check the constraints for proposing extractor. And then, we propose the structure of real-time SVC bitstream extractor which consists of two parts: bitstream analyzer and bitstream extractor. And we propose the algorithm for extraction process of proposed extractor. Lastly, we propose the extraction methods of the bitstream with varied scalability for spatial, temporal, and quality scalability. We implemented the proposed extractor by using JSVM 2.0. To check validity of the proposed extraction method and extractor, we test the performance of proposed extractor by comparing the required bitrate with bitrate of extracted bitstream. From the experiments, we could verify that the proposed real-time SVC bitstream extractor extracts the bitstream with changed scalability according to varying the input parameters of the proposed extractor
Ro, Yong-Manresearcher노용만researcher
한국정보통신대학교 : 공학부,
Issue Date
392603/225023 / 020034590

학위논문(석사) - 한국정보통신대학교 : 공학부, 2006, [ viii, 70 p. ]


Realtime; Bitstream; MPEG-4; SVC; Extractor; 실시간추출기; 비트스트림; 스케일러블 비디오 코딩; 비디오; Scalable video coding; Video

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School of Engineering-Theses_Master(공학부 석사논문)
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