Method and system for improving coding efficiency in image...

Details Method and system for improving coding efficiency in image... Method and system for improving coding efficiency in image...

2006-01-31

2006-01-31

Mancus, Joseph (Department: 2621)

Image analysis

Image compression or coding

Pyramid, hierarchy, or tree structure

Reexamination Certificate

active

06993199

ABSTRACT:
A method and system for encoding an image for providing encoded data for transmission or storage. After the image is decomposed by a transform into sub-bands containing blocks or samples of transformed image data organized in a number of bit-planes, it is adjusted to reduce the number of bit-planes prior to being encoded by a bit-plane coder into encoded data. The reduction of the bit-planes is based on the compression factor of the encoding process, the transmission target bit-rate, the type of sub-band and the resolution level of the transformed image data.

REFERENCES:
patent: 6208761 (2001-03-01), Passaggio et al.
patent: 6236757 (2001-05-01), Zeng et al.
patent: 6266414 (2001-07-01), Bradley et al.
patent: 19544094 (1995-11-01), None
patent: 9834398 (1998-08-01), None
patent: 0120897 (2001-03-01), None
“Structure-related perceptual weighting: a way to improve embedded zerotree wavelet image coding”; Jiaming Li et al.; Electronics Letters, IEE Stevenage, GB, vol. 33, No. 15, Jul. 17, 1997, pp. 1305-1306.

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