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Title: Fast interframe transform coding based on characteristics of transform coefficients and frame difference
Authors: Chan, YL 
Siu, WC 
Issue Date: 1995
Source: 1995 IEEE International Symposium on Circuits and Systems : Seattle, Washington, USA, April 30-May 3, 1995, v. 1, p. 449-452
Abstract: The interframe transform coding has been seldom used in practice because of the considerable computational complexity. To reduce the computational complexity, a fast algorithm is proposed in this paper. The algorithm reduces the number of operations by limiting the calculation of transform coefficients without significant quality degradation based on the distribution of transform coefficients. Then, different modes of transformation are performed according to frame difference. This proposed fast interframe coding, like the MPEG, has an asymmetric property with decoding being much faster than encoding. Computer simulations show that this fast algorithm can significantly reduce the computational burden in interframe transform coding and is even faster than MPEG-like coding.
Keywords: Computational complexity
Discrete cosine transforms
Image coding
Image sequences
Motion estimation
Transform coding
Publisher: IEEE
ISBN: 0-7803-2570-2
DOI: 10.1109/ISCAS.1995.521547
Rights: © 1995 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
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