Image processing apparatus having frame erasure capability

Details Image processing apparatus having frame erasure capability Image processing apparatus having frame erasure capability

1992-09-11

1993-11-09

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358451, 358453, 358488, H04N 121, H04N 1393

Patent

active

052608042

ABSTRACT:
An image processing apparatus has an original read unit for reading an image on an original document by a prescan and a copy scan, an image data processing unit for converting original image signals into digital image data signals and for processing the digital image data signals, and an output unit for outputting processed image data. The image processing apparatus further comprises an original detecting unit (3) for reading coordinates data on the original in a prescan mode, and enlargement/reduction processing units (2, 4 to 9) which store the image data read in a copy scan mode into a memory, execute the enlargement/reduction in accordance with the stored image data, whereby the enlargement/reduction processing units (2, 4 to 9) carry out the frame-erasure process by using the original coordinates data. Thereby, an image processing apparatus in which an area to be erased can be flexibly changed, and undesired spaces, which otherwise will be caused by the frame erasure processing, are not created even in a repeat processing or an enlargement/repeat processing.

REFERENCES:
patent: 4435723 (1984-03-01), Seimiya et al.
patent: 4837635 (1989-06-01), Santos

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