New image-compression algorithm using wavelet analysis

Tzu-Hung Cheng; Chi Hau Chen

doi:10.1117/12.316429

6 July 1998 New image-compression algorithm using wavelet analysis

Tzu-Hung Cheng, Chi Hau Chen

Proceedings Volume 3387, Visual Information Processing VII; (1998) https://doi.org/10.1117/12.316429
Event: Aerospace/Defense Sensing and Controls, 1998, Orlando, FL, United States

Abstract

The conventional approach of using DCT (discrete cosine transform) which is Fourier based has been most popular in industry. The advantages and potentials of image compression using wavelet analysis are now being explored. In this paper a new image compression algorithm based on wavelet analysis is presented that makes use of a lifting scheme and a modification of the 3-D subband coding. The exploitation of contexts in both space-time and space-space brings out an improved algorithm that is both performance effective and computationally efficient. The software system using this algorithm has the advantage that it is much more flexible and less costly than hardware systems. The new algorithm has been tested with the compression of traffic scene video with satisfactory results.

Citation Download Citation

Tzu-Hung Cheng and Chi Hau Chen "New image-compression algorithm using wavelet analysis", Proc. SPIE 3387, Visual Information Processing VII, (6 July 1998); https://doi.org/10.1117/12.316429

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KEYWORDS

Image compression

Wavelets

Intelligence systems

Video compression

Wavelet transforms

3D image processing

Quantization

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