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
- 발행연도
- 2008.1
- 수록면
- 68 - 78 (11page)
이용수
초록· 키워드
오류제보하기
The transmission of multimedia information over error-prone channels such as wireless networks has become an important area of research. In this paper, we propose two Error Concealment (EC) schemes for wireless transmission of JPEG2000 image. The Multiple Representation (MR) is employed as the preprocessing in our schemes, whereas the main error concealing operation is applied in wavelet domain at receiver side. The compressed code-stream of several subsampled versions of original image is transmitted over a single channel with random bit errors. In the decoder side, the correctly reconstructed wavelet coefficients are utilized to recover the corrupted coefficients in other sub-images. The recovery is carried out by proposed basic (MREC-BS) or enhanced (MREC-ES) methods, both of which can be simply implemented. Moreover, there is no iterative processing during error concealing, which results a big time saving. Also, the simulation results confirm the effectiveness and efficiency of our proposed schemes.
목차
ABSTRACT
Ⅰ. Introduction
Ⅱ. Preliminary
Ⅲ. Proposed Multiple Representation Error Concealment Scheme
Ⅳ. Evaluations
Ⅴ. Conclusions
References
참고문헌 (13)
참고문헌 신청
1. [학술지(정기간행물)] - L. Kang / 2006 / Two Error Resilient Coding Schemes for Wavelet-based Image Transmission based on Data Embedding and Genetic Algorithms / Journal of Visual Communication & image representation : 1127 ~ 1144
2. [학술지(정기간행물)] - Y. Wang / 2001 / Multiple Description Coding using Pairwise Correlating Transform / IEEE Trans. Image Processing 10 (3) : 351 ~ 366
3. [학술지(정기간행물)] - K. Munadi / 2007 / Codeblock-Based Error Concealment for JPEG2000 Coded Image Transmission over RTP / IEICE Trans. Fundamentals E90-A (2)
4. [학술대회논문] - Y. Sriraja / 2005 / Multiple Description Wavelet Image Coding for Reliable Delivery and QoS Maintenance / Proc. Multimedia Services Access Networks (MSAN2005) : 54 ~ 58
5. [학술지(정기간행물)] - W. C. Chu / 2003 / DCT-based Image Watermarking using Subsampling / IEEE Trans. Multimedia 5 (1) : 34 ~ 38
2. [학술지(정기간행물)] - Y. Wang / 2001 / Multiple Description Coding using Pairwise Correlating Transform / IEEE Trans. Image Processing 10 (3) : 351 ~ 366
3. [학술지(정기간행물)] - K. Munadi / 2007 / Codeblock-Based Error Concealment for JPEG2000 Coded Image Transmission over RTP / IEICE Trans. Fundamentals E90-A (2)
4. [학술대회논문] - Y. Sriraja / 2005 / Multiple Description Wavelet Image Coding for Reliable Delivery and QoS Maintenance / Proc. Multimedia Services Access Networks (MSAN2005) : 54 ~ 58
5. [학술지(정기간행물)] - W. C. Chu / 2003 / DCT-based Image Watermarking using Subsampling / IEEE Trans. Multimedia 5 (1) : 34 ~ 38
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