Baochen Jiang, Chunxiao Zhang, Chengyou Wang, Xiaoyan Wang
언어
영어(ENG)
URL
https://www.earticle.net/Article/A245269
※ 원문제공기관과의 협약기간이 종료되어 열람이 제한될 수 있습니다.
원문정보
초록
영어
As the international video coding standard, MPEG-2 has been widely used in today’s digital video applications. However, its quantization operation is complex. To simplify this operation, we propose a new algorithm for the intra frame transform-coding in this paper, instead of the conventional algorithm that using discrete cosine transform (DCT). This new algorithm is based on the all phase biorthogonal transform (APBT) theory, which has three kinds of forms in accordance with different transform matrices, referred to as the all phase Walsh biorthogonal transform (APWBT), the all phase discrete cosine biorthogonal transform (APDCBT), and the all phase inverse discrete cosine biorthogonal transform (APIDCBT). Compared with the conventional DCT, APBT reduces the inter-pixel redundancy and the computational complexity using the uniform quantization for the intra frames transform-coding. Experimental results show that the peak signal to noise ratio (PSNR) of the proposed algorithm performs close to the DCT for the tested frames, and there is no difference in visual quality.
목차
Abstract 1. Introduction 2. Image Coding Algorithm Based on APBT 3. MPEG-2 4. The Proposed Video Compression Scheme 5. Experimental Results 6. Conclusion cknowledgements References
키워드
video compressionall phase biorthogonal transform (APBT)uniform quantizationMPEG-2
저자
Baochen Jiang [ School of Mechanical, Electrical and Information Engineering, Shandong University, Weihai 264209, P. R. China, School of Electronic Information Engineering, Tianjin University, Tianjin 300072, P. R. China ]
Chunxiao Zhang [ School of Mechanical, Electrical and Information Engineering, Shandong University, Weihai 264209, P. R. China ]
Chengyou Wang [ School of Mechanical, Electrical and Information Engineering, Shandong University, Weihai 264209, P. R. China ]
Xiaoyan Wang [ School of Mechanical, Electrical and Information Engineering, Shandong University, Weihai 264209, P. R. China ]
보안공학연구지원센터(IJHIT) [Science & Engineering Research Support Center, Republic of Korea(IJHIT)]
설립연도
2006
분야
공학>컴퓨터학
소개
1. 보안공학에 대한 각종 조사 및 연구
2. 보안공학에 대한 응용기술 연구 및 발표
3. 보안공학에 관한 각종 학술 발표회 및 전시회 개최
4. 보안공학 기술의 상호 협조 및 정보교환
5. 보안공학에 관한 표준화 사업 및 규격의 제정
6. 보안공학에 관한 산학연 협동의 증진
7. 국제적 학술 교류 및 기술 협력
8. 보안공학에 관한 논문지 발간
9. 기타 본 회 목적 달성에 필요한 사업
간행물
간행물명
International Journal of Hybrid Information Technology
간기
격월간
pISSN
1738-9968
수록기간
2008~2016
십진분류
KDC 505DDC 605
이 권호 내 다른 논문 / International Journal of Hybrid Information Technology Vol.8 No.3