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A Study for a real-time variety region(object) extraction algorithm to implement MPEG-4 based Video Phones.  

Oh, In-Gwon (이텔루스(주) 기술개발연구소)
Shon, Young-Woo (김포대학 컴퓨터계열)
Namgung, Jae-Chan (광운대학교 컴퓨터공학부)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.29, no.1C, 2004 , pp. 92-101 More about this Journal
Abstract
This paper proposes a algorithm to extract the variety region (object) from video for the real-time encoding of MPEG-4 based. The previous object segmentation methods cannot used the videophone or videoconference required by real-time processing. It is difficult to transfer a video to real-time because it increased complexity for the operation of each pixel on the spatial segmentation and temporal segmentation method proposed by MPEG-4 Working Group. But algorithm proposed for this thesis not operates a pixel unit but operates a macro block unit. Thus this enables real-time transfer. But this algorithm cannot extract several object for a image using proposed algorithm as previous algorithm. On system constructed by encoder and decoder. A proposed algorithm inserted for encoder as pre-process.
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