Rate-Distortion Optimization for the SPIHT Encoder
DCC '01 Proceedings of the Data Compression Conference
A new, fast, and efficient image codec based on set partitioning in hierarchical trees
IEEE Transactions on Circuits and Systems for Video Technology
Light field compression using disparity-compensated lifting
ICME '03 Proceedings of the 2003 International Conference on Multimedia and Expo - Volume 2
| Hi-index | 0.00 |
Abstract: We introduce a video residual coding technique based on wavelet transform and set partitioning in hierarchical trees (SPIHT). In this scheme, wavelet coefficients that correspond to the same spatial location in the image domain are grouped together to form wavelet blocks. Each wavelet block is then converted to a SPIHT-compatible bit stream by an optimized SPIHT encoder minimizing the Lagrangian cost J = D + \lambda R. We also extend the rate-distortion method to include future dependency and propose an iterative algorithm to solve the dependent coding problem. The result is a coding system which achieves better rate-distortion performance than baseline H.263 with a very fast integer-only decoding procedure.