Method and apparatus for image encoding in which reference pixel

Details Method and apparatus for image encoding in which reference pixel Method and apparatus for image encoding in which reference pixel

1989-11-02

1992-02-04

Moore, David K.

Image analysis

Histogram processing

For setting a threshold

382 27, 382 39, 382 47, 3582612, 358426, G06K 900

Patent

active

050864874

ABSTRACT:
There is disclosed an image encoding system in which a size of an image to be encoded is inputted, reference pixel positions or the number of reference pixels are determined in accordance with an input image size, and a noticed pixel is encoded by using reference pixels of the determined pixel positions or the determined member.

REFERENCES:
patent: 4764975 (1988-08-01), Inoue
patent: 4819190 (1989-04-01), Hinman et al.
patent: 4870695 (1989-09-01), Gonzales et al.
patent: 4876610 (1989-10-01), Ohsawa et al.
patent: 4878125 (1989-10-01), Katayama et al.
"Compression of Black-White Images With Arithmetic Coding", IEEE Transactions on Communication, vol. COM-29, No. 6, June 1981, Langdon et al., pp. 860-866.

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