Efficient table-lookup based visually-lossless image compression

Details Efficient table-lookup based visually-lossless image compression Efficient table-lookup based visually-lossless image compression

1997-06-30

1999-12-28

Tadayon, Bijah

Image analysis

Image compression or coding

382238, 382239, 382246, G06K 936, G06K 946

Patent

active

060092017

ABSTRACT:
An image compression scheme is disclosed which models the human visual perception system. Using quantization of image error values, according to a visually-lossless scheme, an image can be compressed such that it is visually indistinguishable to the naked eye from the original image. To aid in image compression on portable devices such as a digital camera, the quantization can be precoupled into a look-up table.

REFERENCES:
patent: 5325126 (1994-06-01), Keith
patent: 5341442 (1994-08-01), Barrett
patent: 5563655 (1996-10-01), Lathrop
patent: 5680129 (1997-10-01), Weinberger et al.
A.N.Netravali and B.G.Haskell, "Digital Pictures: representation, compression, and standards", 2nd ed., Plenum Press, p. 588, 1995.

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