Title :
Progressive coding of 3D dynamic mesh sequences using spatiotemporal decomposition
Author :
Yang, Jeong-Hyu ; Kim, Chang-Su ; Lee, Sang-Uk
Author_Institution :
Digital TV Lab., LG Electron., Seoul, South Korea
Abstract :
We propose an algorithm that compresses a semiregular mesh sequence of three dimensional dynamic objects using the spatiotemporal wavelet transform. By exploiting the regular structure of the semi-regular mesh sequence, we develop an embedded coding scheme, which supports both SNR and temporal scalability modes. Simulation results demonstrate that the proposed algorithm provides significantly better compression performance than the static mesh coder, which encodes each frame independently.
Keywords :
data compression; image coding; image sequences; solid modelling; transform coding; wavelet transforms; 3D dynamic mesh sequences; SNR; embedded coding scheme; multimedia contents; progressive coding; realistic visual data; semiregular mesh sequence; spatiotemporal decomposition; spatiotemporal wavelet transform; temporal scalability; three dimensional dynamic objects; Digital TV; Digital signal processing; Laboratories; Motion estimation; Scalability; Signal processing algorithms; Spatiotemporal phenomena; Video coding; Wavelet coefficients; Wavelet transforms;
Conference_Titel :
Circuits and Systems, 2005. ISCAS 2005. IEEE International Symposium on
Print_ISBN :
0-7803-8834-8
DOI :
10.1109/ISCAS.2005.1464745