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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한전자공학회 IEIE Transactions on Smart Processing & Computing IEIE Transactions on Smart Processing & Computing Vol.5 No.2
- 발행연도
- 2016.4
- 수록면
- 143 - 151 (9page)
이용수
초록· 키워드
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This paper presents new prediction methods to improve compression performance of the so-called near-lossless RGB-domain image coder, which is designed to effectively decrease the memory bandwidth of a system-on-chip (SoC) for image processing. First, variable block size (VBS)–based intra prediction is employed to eliminate spatial redundancy for the green (G) component of an input image on a pixel-line basis. Second, inter-color prediction (ICP) using spectral correlation is performed to predict the R and B components from the previously reconstructed G-component image. Experimental results show that the proposed algorithm improves coding efficiency by up to 30% compared with an existing algorithm for natural images, and improves coding efficiency with low computational cost by about 50% for computer graphics (CG) images.
목차
Abstract
1. Introduction
2. Conventional Near-Lossless Image Coder
3. The Proposed Algorithm
4. Fast Mode Decision
5. Experimental Results
6. Conclusion
References
참고문헌 (20)
참고문헌 신청
Sugawara, M., Kanazawa, M., Mitani, K., Shimamoto, H., Yamashita, T., and Okano, F.: “Ultrahigh-definition video system with 4000 scanning lines”, SMPTE Motion Imaging Journal, 2003, 112, (10/11), pp. 339-346.
Sugawara, M., Masaoka, K., Emoto, M., Matsuo, Y., and Nojiri, Y.: “Research on human factors in ultrahigh-definition television (UHDTV) to determine its specifications”, SMPTE Motion Imaging Journal, 2008, 117, (3), pp. 23-29.
Chrysafis C., and Ortega, A., “Line-based, reduced memory, wavelet image compression”, IEEE Trans. Image Processing, 2000, 9, (3), pp. 378-389.
Ordentlich, E., Taubman1, D., Weinberger M., and Seroussi, G.: “Memory efficient scalable line-based image coding”, Proc. IEEE Data Compression Conf., 1999, pp. 218-227.
Memon, N., and Wu, X.: “Recent developments in context-based predictive techniques for lossless image compression”, Comput. J., 1997, 40, (2/3), pp. 127-136.
Sugawara, M., Masaoka, K., Emoto, M., Matsuo, Y., and Nojiri, Y.: “Research on human factors in ultrahigh-definition television (UHDTV) to determine its specifications”, SMPTE Motion Imaging Journal, 2008, 117, (3), pp. 23-29.
Chrysafis C., and Ortega, A., “Line-based, reduced memory, wavelet image compression”, IEEE Trans. Image Processing, 2000, 9, (3), pp. 378-389.
Ordentlich, E., Taubman1, D., Weinberger M., and Seroussi, G.: “Memory efficient scalable line-based image coding”, Proc. IEEE Data Compression Conf., 1999, pp. 218-227.
Memon, N., and Wu, X.: “Recent developments in context-based predictive techniques for lossless image compression”, Comput. J., 1997, 40, (2/3), pp. 127-136.
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