Image processing apparatus with provision for memory operation

Details Image processing apparatus with provision for memory operation Image processing apparatus with provision for memory operation

1990-09-10

1991-06-04

Moore, David K.

Image analysis

Histogram processing

For setting a threshold

358426, 358443, 382 56, G04K 936

Patent

active

050220888

ABSTRACT:
There is disclosed an image processing apparatus for electrically handling image information, particularly in compressed form, in which the efficiency of memory utilization is improved by storing information of plural pages in successive manner in a memory. Provision is made for ensuring that, if insufficient space is left in the memory for storage of another page of compressed image data, reading of the page in question is interrupted. Once there is again sufficient availability in the memory, the page is re-read, and the read data is compressed and stored.

REFERENCES:
patent: 3800080 (1974-03-01), Fuwa
patent: 4302775 (1981-11-01), Widergren et al.
patent: 4357638 (1982-11-01), Yoshimaru et al.
patent: 4410916 (1953-10-01), Pratt et al.
patent: 4413285 (1983-11-01), Anzai et al.
patent: 4441208 (1984-04-01), Iida
patent: 4507760 (1985-03-01), Fraser
patent: 4646160 (1987-02-01), Iizuka
Jones et al., "Image Compression by the Incremental Generation of Contours", IBM Tech. Disc. Bulletin, vol. 22, No. 7, Dec. 1979, pp. 2909-2912.

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