Image reading apparatus

Details Image reading apparatus Image reading apparatus

1998-01-22

1999-10-19

Rutledge, D.

Photocopying

Projection printing and copying cameras

Copying both sides of original

358488, 358474, 358493, G03B 2732

Patent

active

059697954

ABSTRACT:
A book scanner which reads an image of a book or a bound document placed as turned upward, computes the document inclination from the outer shape of the document, detects the top end of the bound part of the document from the document height, thereby determines the accurate position of the center line existing in a slanted posture, detecting the brightness in the neighborhood of the bound part, thereby computes the erasing width to be erased as unnecessary for an image with precision, and erases only the center line zone without failing to effect thorough erasure of the slanted center line.

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patent: 5764383 (1998-06-01), Saund et al.
patent: 5805272 (1998-09-01), Nozawa et al.
patent: 5835241 (1998-11-01), Saund

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