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Hybrid wavelet transform and MPEG-1 video coding system

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4 Author(s)
E. -S. Youssef ; Dept. of Electron. & Commun., Arab Acad. for Sci. & Technol., Alexandria, Egypt ; S. E. El-Nahas ; I. Ahmed ; M. Moussa

Wavelet transforms (WTs) have been widely used in still image compression, while MPEG-1 is a widely used video compression standard. In this paper, we investigate the effect of combining both techniques to produce a video stream with higher compression than MPEG-1 and with comparable picture quality. The proposed system maintains the MPEG-1 system without any internal modifications. The addition of the WT to MPEG-1 achieved a compression ratio improvement factor up to 1.5

Published in:

Radio Science Conference, 1998. NRSC '98. Proceedings of the Fifteenth National

Date of Conference:

24-26 Feb 1998