지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- Korean Institute of Information Scientists and Engineers Journal of Electrical Engineering and Information Science Journal of Electrical Engineering and Information Science Vol.1 No.4
- 발행연도
- 1996.12
- 수록면
- 52 - 58 (7page)
이용수
초록· 키워드
오류제보하기
This paper presents a new method of lossless predictive coding of 3-D medical image for progressive transmission. Lossless predictive coding may be divided into two consecutive steps: decorrelation step followed by encoding step. In the decorrelation step interpixel redundancies of an image is eliminated. In the encoding step coding redundancies are removed by use of variable length coding like Huffman coding or arithmetic coding. Therefore, the compression ratio of a lossless predictive coding heavily depends upon the decorrelation method. For progressive transmission, hierarchy embedded differential image (REDI) has been extended to deal with 3-D image.
Experiments were conducted to verify the performance of 3-D HEDI in terms of the decorrelation efficiency and the progressive transmission efficiency. The former is estimated by the first order entropy and the latter by PSNR at the reconstruction step as a function of the amount of data transmitted. They are compared with those of 2-D HEDI and DPCM. Experimental results indicate that 3-D HEDI outperforms 2-D HEDI and DPCM in beth decorrelation efficiency as well as the progressive transmission efficiency with 3-D medical images.
Experiments were conducted to verify the performance of 3-D HEDI in terms of the decorrelation efficiency and the progressive transmission efficiency. The former is estimated by the first order entropy and the latter by PSNR at the reconstruction step as a function of the amount of data transmitted. They are compared with those of 2-D HEDI and DPCM. Experimental results indicate that 3-D HEDI outperforms 2-D HEDI and DPCM in beth decorrelation efficiency as well as the progressive transmission efficiency with 3-D medical images.
목차
Abstract
Ⅰ. Introduction
Ⅱ. 2-D Reversible decorrelation: 2-D HEDI
Ⅲ. Generalized M-D Reversible decorrelation: M-D HEDI
Ⅳ. Experimental Results
Ⅴ. Conclusion
Acknowledgements
References
저자소개
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