Scanning type image reading apparatus

Details Scanning type image reading apparatus Scanning type image reading apparatus

1988-06-20

1989-08-29

Groody, James J.

Image analysis

Histogram processing

For setting a threshold

382 59, 382 67, 358471, G06K 920, G06K 922

Patent

active

048625124

ABSTRACT:
The present invention relates to a scanning type image reading apparatus. The image reading apparatus includes a generator for generating serial signals each time when the scanning system is driven by a predetermined degree, and a line sensor of the reading apparatus is caused to execute the image read out operation upon reception of said signals. The read-out image data by the line sensor is compensated in response to the detected moving speed of the scanning system detected at every predetermined degree.

REFERENCES:
patent: 4742559 (1988-05-01), Fujiwara et al.

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