TY - GEN
T1 - Low-complexity adaptive block-size transform based on extended transforms
AU - Honggang, Qi
AU - Wen, Gao
AU - Siwei, Ma
AU - Debin, Zhao
AU - Xiangyang, Ji
PY - 2006
Y1 - 2006
N2 - In this paper, a low-complexity 8×8/4×4 Adaptive Blocksize Transform (ABT) scheme is tentatively proposed for the Chinese Audio and Video coding Standard (AVS)1. In the proposed ABT scheme, an integer 8×8 transform is derived from the integer 4×4 transform used in AVS according to a transform extension principle. The 8×8 transform not only has high energy compacted property but also can be merely implemented within several additions and shifts, and all intermediate results are limited with 16-bit. The 8×8 transform and 4×4 transform can be merged together and share the same scale matrix so that the hardware units and storage resources are efficiently saved for both encoder and decoder. The experimental results on numerous sequences show that the proposed ABT scheme can achieves significant performance improvement for AVS.
AB - In this paper, a low-complexity 8×8/4×4 Adaptive Blocksize Transform (ABT) scheme is tentatively proposed for the Chinese Audio and Video coding Standard (AVS)1. In the proposed ABT scheme, an integer 8×8 transform is derived from the integer 4×4 transform used in AVS according to a transform extension principle. The 8×8 transform not only has high energy compacted property but also can be merely implemented within several additions and shifts, and all intermediate results are limited with 16-bit. The 8×8 transform and 4×4 transform can be merged together and share the same scale matrix so that the hardware units and storage resources are efficiently saved for both encoder and decoder. The experimental results on numerous sequences show that the proposed ABT scheme can achieves significant performance improvement for AVS.
UR - https://www.scopus.com/pages/publications/34247613671
U2 - 10.1109/ICME.2006.262586
DO - 10.1109/ICME.2006.262586
M3 - 会议稿件
AN - SCOPUS:34247613671
SN - 1424403677
SN - 9781424403677
T3 - 2006 IEEE International Conference on Multimedia and Expo, ICME 2006 - Proceedings
SP - 129
EP - 132
BT - 2006 IEEE International Conference on Multimedia and Expo, ICME 2006 - Proceedings
T2 - 2006 IEEE International Conference on Multimedia and Expo, ICME 2006
Y2 - 9 July 2006 through 12 July 2006
ER -