Fractal-based wavelet transform coding for low-bit-rate video

Rongfeng Yu; Jingli Zhou; Shengsheng Yu; Danny Chi

doi:10.1117/12.253398

30 September 1996 Fractal-based wavelet transform coding for low-bit-rate video

Rongfeng Yu, Jingli Zhou, Shengsheng Yu, Danny Chi

Proceedings Volume 2898, Electronic Imaging and Multimedia Systems; (1996) https://doi.org/10.1117/12.253398
Event: Photonics China '96, 1996, Beijing, China

Abstract

Fractal image compression allows fast decoding but suffers from long encoding time. By mapping similar regions within an image in the wavelet domain, we can use biorthogonal wavelet transform coefficients to find mappings which are identical to conventional blockwise mappings,thus the time consuming encoding process will improved by wavelet based hierarchical interpretation. We apply our methods to encode video sequence of digital image, in our scheme, the encoding process ID done for image pieces or motion vectors from the predecessor. The result shows a relatively low frame rate, since our target is transmitting video sequence in the level of requirements in ITU-T H.324 or the V.34 modem physical layer.

Citation Download Citation

Rongfeng Yu, Jingli Zhou, Shengsheng Yu, and Danny Chi "Fractal-based wavelet transform coding for low-bit-rate video", Proc. SPIE 2898, Electronic Imaging and Multimedia Systems, (30 September 1996); https://doi.org/10.1117/12.253398

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