Image encoding method

Details Image encoding method Image encoding method

1994-02-02

1998-01-20

Mancuso, Joseph

Image analysis

Color image processing

Compression of color images

382238, 358539, 358430, G06T 900

Patent

active

057108269

ABSTRACT:
There is provided an image encoding method in a facsimile apparatus or an image filing apparatus as an image communication apparatus. In this method, a color image signal which is expressed by a plurality of color component signals to be encoded is input, the input color image signal is converted into a bit stream signal, and the bit stream signal is encoded by prediction encoding. A parameter for the prediction encoding is changed in accordance with the color image signal to be encoded. The encoding operation is executed adaptively to the color image signal to be encoded. By virtue of bit stream converting the binary color signal, efficient encoding using the color correlation can be executed and an increase in data amount is prevented. By encoding the bit stream signal using a dynamic arithmetic code, a binary color image can be efficiently encoded.

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"Compression of Block-White Images With Arithmetic Coding", Langdon et al., IEEE Trans. Comm. vol. COM-29, No. 6, Jun. 1981.

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