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A Video Coding Scheme for Reconstructing an Interest Region with High Quality
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  • A Video Coding Scheme for Reconstructing an Interest Region with High Quality
  • A Video Coding Scheme for Reconstructing an Interest Region with High Quality
저자명
Lee. Jong-Bae-,Kim. Seong-Dae
간행물명
Journal of electrical engineering and information science
권/호정보
1998년|3권 2호|pp.222-229 (8 pages)
발행정보
한국정보과학회
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

In the circumstances we want to deal with, a transmission channel is limited and a global motion can happen by camera movement, and also there exists a region-of-interest(ROI) which is more important than background. So very low bit rate coding algorithm is required and processing of global motion must be considered. Also ROI must be reconstructed with required quality after decoding because of its importance. But the existing methods such as H.261, H.263 can not reconstruct ROIs with high quality because they do not consider the fact that ROIs are more important than background. So a new coding scheme is proposed that describes a method for encoding image sequences distinguishing bits between ROI and background. Experimental results show that the suggested algorithm performs well especially in the circumstances where background changes and the area of ROI is small enough compared with that of background.