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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한전기학회 Journal of Electrical Engineering & Technology Journal of Electrical Engineering & Technology Vol.11 No.5
- 발행연도
- 2016.9
- 수록면
- 1,404 - 1,411 (8page)
이용수
초록· 키워드
오류제보하기
Video coding plays an important role in video transmission and storage applications. Today’s increasing order of multimedia applications led to a lot of research works in video coding in such a way that high compression ratio is achieved with the available bandwidth. Wavelet based image compression has witnessed great success in the past decade. Wavelet transform based motion compensated video codec performs better compression in order to meet the rate and distortion constraint in video transmission than the block based techniques. However, it is well known that the 2D DWT does not represent directional features of images efficiently. Lots of efforts have been put into multiscale directional representation. In this paper, video coding using directional transform DDWT is considered and its expansive nature is reduced by noise shaping algorithm. High compression ratio is achieved through the selection of optimal coefficients of DDWT using Multi Objective Particle Swarm Optimization (MOPSO) method. In this video coding technique, the objective functions of Entropy, Computation Time and Mean Square Error are considered for optimization with the constraints of bits per pixel and frame rate. The selected optimum coefficients are encoded using EZW method. The performance of the proposed method is compared with the standard 3D SPIHT coding.
목차
Abstract
1. Introduction
2. Video Coding using Multi Objective PSO
3. Optimal subband selection Process
4. Results
5. Conclusion
References
참고문헌 (29)
참고문헌 신청
[학술대회논문] - Gang Lin / 1999 / 3D wavelet video codec and its rate control in ATM network / Proc. IEEE International symposium on Circuits and systems 4 : 447 ~ 450
[학술지(정기간행물)] - D. Lazar / 2001 / Wavelet-based video coder via bit allocation / IEEE Transactions on Circuits and Systems for Video Technology 11 (7) : 815 ~ 832
[학술지(정기간행물)] - J.M. Shapiro / 1993 / Embedded image coding using zerotrees of wavelet coefficients / IEEE Transactions on Signal Processing 41 (12) : 3445 ~ 3462
[학술지(정기간행물)] - Said, W. Pearlman / 1996 / A new fast and efficient image codec based on set partitioning in hierarchal trees / IEEE Transactions on Circuits and systems for Video Technology 63 : 243 ~ 250
[학위논문] - Eduardo Asbun / 2000 / Improvements in Wavelet based rate scalable video compression / Ph.D.
[학술지(정기간행물)] - D. Lazar / 2001 / Wavelet-based video coder via bit allocation / IEEE Transactions on Circuits and Systems for Video Technology 11 (7) : 815 ~ 832
[학술지(정기간행물)] - J.M. Shapiro / 1993 / Embedded image coding using zerotrees of wavelet coefficients / IEEE Transactions on Signal Processing 41 (12) : 3445 ~ 3462
[학술지(정기간행물)] - Said, W. Pearlman / 1996 / A new fast and efficient image codec based on set partitioning in hierarchal trees / IEEE Transactions on Circuits and systems for Video Technology 63 : 243 ~ 250
[학위논문] - Eduardo Asbun / 2000 / Improvements in Wavelet based rate scalable video compression / Ph.D.
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