Wavelet codec for image sequence coding at very low bit rate with low latency

Steffen Abraham; Fritz Seytter

doi:10.1117/12.206387

17 April 1995 Wavelet codec for image sequence coding at very low bit rate with low latency

Steffen Abraham, Fritz Seytter

Proceedings Volume 2419, Digital Video Compression: Algorithms and Technologies 1995; (1995) https://doi.org/10.1117/12.206387
Event: IS&T/SPIE's Symposium on Electronic Imaging: Science and Technology, 1995, San Jose, CA, United States

Abstract

Wavelet theory provides an alternative approach to traditional DCT-based coding with properties that suggest an advantage over traditional schemes, especially for high compression ratios. This paper presents the design of an image coder for very low bit rates (8..64 kbit/s) which can be used for videophone applications. Apart from the image quality coding delay is an important critical factor. The coder performs a hybrid motion compensation/transform coding approach using a warping motion compensation to completely avoid blocking artifacts. Experiments using standard videophone test sequences show that the obtained image quality is similar to the best available results from DCT coders.

Citation Download Citation

Steffen Abraham and Fritz Seytter "Wavelet codec for image sequence coding at very low bit rate with low latency", Proc. SPIE 2419, Digital Video Compression: Algorithms and Technologies 1995, (17 April 1995); https://doi.org/10.1117/12.206387

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