Document edge detection apparatus

Details Document edge detection apparatus Document edge detection apparatus

1994-06-23

1996-02-13

Couso, Yon J.

Image analysis

Pattern recognition

Feature extraction

382197, 382291, G06K 948

Patent

active

054917590

ABSTRACT:
A document edge detection apparatus that can detect document edges at high speed with good stability and precision, even when the documents have relatively large damaged portions, creases or smears, or have been scanned with a large skew angle.

REFERENCES:
patent: 4833722 (1989-05-01), Morton
patent: 5054098 (1991-10-01), Lee
patent: 5073960 (1991-12-01), Nakai et al.
patent: 5136658 (1992-08-01), Mori

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