Coding method and apparatus

Details Coding method and apparatus Coding method and apparatus

1995-04-26

1999-09-21

Lee, Thomas D.

Facsimile and static presentation processing

Facsimile

Auxiliary signal

3582613, H04N 1415

Patent

active

059561530

ABSTRACT:
Image coding method and apparatus for improving image quality by controlling amount of encoded image data in variable-length coding. The image encoding apparatus comprising: input unit for inputting image data for each block having a first size; encoding unit for encoding the image data for each block and generating encoded image data; and controlling unit for controlling an encoding parameter for each block in accordance with amount of the encoded image data, wherein controlling unit controls the encoding parameter further in accordance with the position of the block to be encoded.

REFERENCES:
patent: 4972260 (1990-11-01), Fujikawa et al.
patent: 5063459 (1991-11-01), Nakatani et al.
patent: 5086487 (1992-02-01), Katayama et al.
patent: 5107345 (1992-04-01), Lee
patent: 5121216 (1992-06-01), Chen et al.
patent: 5144426 (1992-09-01), Tanaka et al.
patent: 5237410 (1993-08-01), Inoue
Patent Abstracts of Japan, vol. 15, No. 334 (E-1104), Aug. 26, 1991.
Patent Abstracts of Japan, vol. 15, No. 494 (E-1145), Dec. 13, 1991.
Patent Abstracts of Japan, vol. 16, No. 246 (E-1212), Jun. 5, 1992.
Patent Abstracts of Japan, vol. 16, No. 530 (E-1287), Oct. 30, 1992.
IEE Transactions on Acoustics, Speech and Signal Processing, vol. 37, No. 11, Nov., 1989, New York, US, pp. 1743-1749, K.N. Ngan et al.: `Adaptive cosine transform coding of images in perceptual domain`.

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