Title :
Wavelet coefficients motion compensation for image sequence encoding
Author :
Toyokura, N. ; Kawasaki, Shingo ; Kondo, Shozo
Author_Institution :
Dept. of Commun. Eng., Tokai Univ., Hiratsuka, Japan
Abstract :
In this paper, we propose a method of image sequence encoding called a DWT-MC (discrete wavelet transform and motion compensation) using the wavelet transform. In this method each image of a given image sequence is decomposed into three-level multiresolution analysis (MRA). From the MRA of the image 64-dimensional vectors are constructed and motions are detected using the sequences of vectors. The DWT-MC shows more efficient encoding performance than the MC-DCT (Motion Compensation and Discrete Cosine Transform) method
Keywords :
image coding; image sequences; motion compensation; wavelet transforms; DWT-MC; discrete wavelet transform; encoding performance; image sequence encoding; motion compensation; three-level multiresolution analysis; wavelet coefficients; Discrete cosine transforms; Discrete wavelet transforms; Electronic mail; Image coding; Image resolution; Image sequences; Low pass filters; Motion compensation; Multiresolution analysis; Wavelet coefficients;
Conference_Titel :
Circuits and Systems, 1998. IEEE APCCAS 1998. The 1998 IEEE Asia-Pacific Conference on
Conference_Location :
Chiangmai
Print_ISBN :
0-7803-5146-0
DOI :
10.1109/APCCAS.1998.743656
