Video image field cut processing

Details Video image field cut processing Video image field cut processing

1982-12-30

1985-01-08

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

382 48, G06K 920

Patent

active

044931085

ABSTRACT:
Video image data received from an optical document reading system is processed by a dynamic field cut technique which utilizes the scan line as its elemental unit of data in controlling the concurrent extraction and processing of the individual fields. The field cut technique of the present invention has a chain of control instructions with a series of pointers being utilized to control the sequential processing of the control instructions and permit bypassing the control instructions for fields for which processing has been completed. By this arrangement, the number of operations necessary to separately act on a plurality of independently defined fields is reduced.

REFERENCES:
patent: Re29104 (1977-01-01), Shepard
patent: 3763467 (1973-10-01), Cash et al.
patent: 4300123 (1981-11-01), McMillin et al.
patent: 4346405 (1982-08-01), Yoda et al.

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