Image processing apparatus and method using lossless encoding of

Details Image processing apparatus and method using lossless encoding of Image processing apparatus and method using lossless encoding of

1994-12-15

1998-03-24

Bost, Dwayne

Image analysis

Image compression or coding

Lossless compression

382232, 348400, 348409, 348420, H04R 2900

Patent

active

057321574

ABSTRACT:
This invention has as its object to provide an image coding method which can efficiently encode image data by fully utilizing a two-dimensional correlation of an image. A block matching means searches for a block position corresponding to a minimum absolute value sum of differences of a pixel block to be encoded from already encoded pixel blocks. The searched block position information is encoded by an encoder, and the searched inter-block difference value is Huffman-encoded by another encoder. A code generator generates encoded data using these codes.

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