Image inspection apparatus in plate making process and image ins

Details Image inspection apparatus in plate making process and image ins Image inspection apparatus in plate making process and image ins

1997-07-17

1999-10-19

Lee, Eddie C.

Photocopying

Projection printing and copying cameras

Distortion introducing or rectifying

355 77, G03B 2760, G03B 2732

Patent

active

059697989

ABSTRACT:
Provided are an image inspection apparatus and an image inspection method in a plate making process which can perform inspection over a wide range including not only correction errors in the plate making process but errors caused in formation of an original plate film and a stage between the formation of the original plate film and completion of printing. A first revise recording a color image is regarded as a reference, for reading the image on this first revise. A second revise is regarded as an object, for reading an image on this second revise. The color images on the first revise (reference) and the second revise (object) are compared with each other for detecting mismatching portions of these images. Finally, the mismatching portions are displayed in a specified format.

REFERENCES:
patent: 4736245 (1988-04-01), Seto et al.
patent: 4827526 (1989-05-01), Matsumoto
patent: 5208870 (1993-05-01), Ennis
patent: 5365596 (1994-11-01), Dante et al.
patent: 5729328 (1998-03-01), Kimura et al.
patent: 5764793 (1998-06-01), Omae et al.

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