Image information signal transmitting system

Details Image information signal transmitting system Image information signal transmitting system

1988-11-21

1990-08-07

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

358136, G06K 900

Patent

active

049474480

ABSTRACT:
An image information signal transmitting system for transmitting an image information signals which continuously forms a temporally correlated group of image planes is arranged to divide each image plane portions of the image information signal into a plurality of blocks; and, in determining for every divided block included in each of the image planes the adoption of one of a plurality of information transmitting modes provided for different information transmitting density values, the information transmitting modes for the plurality of blocks of a presently transmitting image plane portion of the signal are determined at least according to the information transmitting modes which hae been used for the plurality of blocks of a previously transmitted image plane portion of the signal.

REFERENCES:
patent: 3580999 (1971-05-01), Mounts
patent: 3603725 (1971-09-01), Cutler
patent: 3749829 (1973-07-01), Burns et al.
patent: 4090221 (1978-05-01), Connor
patent: 4155097 (1979-05-01), Lux
patent: 4597010 (1986-06-01), Carr
patent: 4633326 (1986-12-01), Endoh et al.

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