A new DWT/MC/DPCM video compression framework based on EBCOT

L. M. Mei; H. R. Wu; D. M. Tan

doi:10.1117/12.633509

24 June 2005 A new DWT/MC/DPCM video compression framework based on EBCOT

L. M. Mei, H. R. Wu, D. M. Tan

Proceedings Volume 5960, Visual Communications and Image Processing 2005; 59606I (2005) https://doi.org/10.1117/12.633509
Event: Visual Communications and Image Processing 2005, 2005, Beijing, China

Abstract

A novel Discrete Wavelet Transform (DWT)/Motion Compensation (MC)/Differential Pulse Code Modulation (DPCM) video compression framework is proposed in this paper. Although the Discrete Cosine Transform (DCT)/MC/DPCM is the mainstream framework for video coders in industry and international standards, the idea of DWT/MC/DPCM has existed for more than one decade in the literature and the investigation is still undergoing. The contribution of this work is twofold. Firstly, the Embedded Block Coding with Optimal Truncation (EBCOT) is used here as the compression engine for both intra- and inter-frame coding, which provides good compression ratio and embedded rate-distortion (R-D) optimization mechanism. This is an extension of the EBCOT application from still images to videos. Secondly, this framework offers a good interface for the Perceptual Distortion Measure (PDM) based on the Human Visual System (HVS) where the Mean Squared Error (MSE) can be easily replaced with the PDM in the R-D optimization. Some of the preliminary results are reported here. They are also compared with benchmarks such as MPEG-2 and MPEG-4 version 2. The results demonstrate that under specified condition the proposed coder outperforms the benchmarks in terms of rate vs. distortion.

Citation Download Citation

L. M. Mei, H. R. Wu, and D. M. Tan "A new DWT/MC/DPCM video compression framework based on EBCOT", Proc. SPIE 5960, Visual Communications and Image Processing 2005, 59606I (24 June 2005); https://doi.org/10.1117/12.633509

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