Earticle

초록

영어

The vertical or horizontal edges don’t dominate in some frames of video sequence, so the conventional discrete cosine transform (DCT) may not be the best choice for those frames. Directional DCT framework behaves better than conventional DCT in coding performance for images where directional edges dominate. In addition, the all phase biorthogonal transform (APBT), which is used in image compression instead of DCT, can also help to improve the performance of compression. In the light of directional DCT and APBT, directional APBT (D- APBT) is proposed and applied to H.263 video coding. Experimental results show that this framework can indeed improve the coding performance remarkably.

목차

Abstract
 1. Introduction
 2. APBT and Directional APBT
  2.1. All Phase Biorthogonal Transform (APBT)
  2.2. Directional APBT for the Diagonal Down-Left Mode
  2.3. Extension to Other Directional Modes . Extension to Other Directional Modes. Extension to Other Directional Modes. Extension to Other Directional Modes . Extension to Other Directional Modes . Extension to Other Directional Modes . Extension to Other D
 3. Directional APBT-based Video Encoding
 4. Experimental Results
 5. Conclusion
 Acknowledgements
 References

키워드

저자

• Chunxiao Zhang [ School of Mechanical, Electrical and Information Engineering, Shandong University, Weihai 264209, China ]
• Chengyou Wang [ School of Mechanical, Electrical and Information Engineering, Shandong University, Weihai 264209, China ] Corresponding Author
• Baochen Jiang [ School of Mechanical, Electrical and Information Engineering, Shandong University, Weihai 264209, China ]

참고문헌

발행기관

간행물

표지보기 관심저널 등록

• 간행물명

  International Journal of Signal Processing, Image Processing and Pattern Recognition

• 간기

  격월간

• pISSN

  2005-4254

• 수록기간

  2008~2016

• 십진분류

  KDC 505 DDC 605