A hybrid transformation technique for video coding

Authors:
M. Ezhilarasan;P. Thambidurai
Affiliations:
Assistant Professor, Professor and Head, Department of Computer Science & Engineering and Information Technology, Pondicherry Engineering College, Pondicherry, India;Professor and Head, Department of Computer Science & Engineering and Information Technology, Pondicherry Engineering College, Pondicherry, India
Venue:
ICDCN'06 Proceedings of the 8th international conference on Distributed Computing and Networking
Year:
2006

Citing 3
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Abstract

This paper proposes a hybrid transformation technique, where the intraframes of video sequence are coded by discrete wavelet transform and the interframes are coded with discrete cosine transform technique. It also proposes the selection of sequence of frames predicted from the reference intraframes. This proposal consistently minimizes the prediction error for the predicted frame for further processing. The experimental results show that the proposed hybrid transformation technique outperforms conventional transformation coding technique in terms of encoding time and prediction errors. The advantages of this approach include the potential for improving efficiency and ease of transmission.