Method and system for lossless wavelet decomposition,...

Details Method and system for lossless wavelet decomposition,... Method and system for lossless wavelet decomposition,...

2005-06-28

2005-06-28

Couso, Yon J. (Department: 2625)

Image analysis

Image compression or coding

Pyramid, hierarchy, or tree structure

C382S232000

Reexamination Certificate

active

06912319

ABSTRACT:
Image data is compressed by decomposing the image data into a plurality of resolutions or sized by wavelet decomposition, followed by compression of the resulting data sets. Adaptive Huffman code compression is optimized for compressing the data sets, predictive errors for a low frequency band and the wavelet transformed values for high frequency bands. The image data is thus compressed losslessly and in multiple resolutions such that desired resolution images can be reconstructed and transmitted in accordance with available-bandwidth and viewing capabilities.

REFERENCES:
patent: 5867602 (1999-02-01), Zandi et al.
patent: 6091777 (2000-07-01), Guetz et al.
patent: 6445823 (2002-09-01), Liang
patent: 6574629 (2003-06-01), Cooke et al.
patent: 2002/0003906 (2002-01-01), Zeng et al.

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