TY - GEN
T1 - Motion analysis of 3-D dual-tree discrete wavelet transform
AU - Yang, Jingyu
AU - Wang, Yao
AU - Xu, Wenli
AU - Dai, Qionghai
N1 - Copyright:
Copyright 2014 Elsevier B.V., All rights reserved.
PY - 2007
Y1 - 2007
N2 - 3-D dual-tree discrete wavelet transform (DDWT) is attractive for video representation since it isolates motion along different directions in its directional subbands, and has been employed for video coding. In this paper, we analyze its efficiency in capturing motion activities. Similar analysis is then extended to 3-D anisotropic DDWT (ADDWT). Experiments verify the effectiveness of our analysis. Based on the motion analysis, we realize that 3-D DDWT/ADDWT can not adapt to intense motion activities, and propose a new transform structure for high motion sequences. It is shown that the new scheme brings about 1dB coding gain.
AB - 3-D dual-tree discrete wavelet transform (DDWT) is attractive for video representation since it isolates motion along different directions in its directional subbands, and has been employed for video coding. In this paper, we analyze its efficiency in capturing motion activities. Similar analysis is then extended to 3-D anisotropic DDWT (ADDWT). Experiments verify the effectiveness of our analysis. Based on the motion analysis, we realize that 3-D DDWT/ADDWT can not adapt to intense motion activities, and propose a new transform structure for high motion sequences. It is shown that the new scheme brings about 1dB coding gain.
KW - Directional transform
KW - Dual-tree wavelet transform
KW - Motion analysis
KW - Video coding
UR - http://www.scopus.com/inward/record.url?scp=84898064588&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84898064588&partnerID=8YFLogxK
M3 - Conference contribution
AN - SCOPUS:84898064588
SN - 9789898109057
T3 - PCS 2007 - 26th Picture Coding Symposium
BT - PCS 2007 - 26th Picture Coding Symposium
T2 - 26th Picture Coding Symposium, PCS 2007
Y2 - 7 November 2007 through 9 November 2007
ER -