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Patent Searching and Data


Title:
APPARATUS AND METHOD FOR INSPECTING CHARACTER CHIPPING
Document Type and Number:
Japanese Patent JP2003276287
Kind Code:
A
Abstract:

To provide an apparatus and a method for inspecting character chipping which can obtain a high inspection performance by a simple constitution.

The apparatus for inspecting character chipping is equipped with an imaging means for imaging a variable printing region where a printing data image is printed and obtaining an inspection object printing image, a product image generating means for generating a product image which has a value obtained by multiplying pixel values of corresponding pixels between the printing data image and the inspection object printing image as a pixel value of the corresponding pixel, and a difference image generating means for generating a difference image which has a value obtained by subtracting pixel values of corresponding pixels of the product image and the printing data image as a pixel value of the corresponding pixel. The method is applied to the apparatus.


Inventors:
TAKEHARA TORU
Application Number:
JP2002087584A
Publication Date:
September 30, 2003
Filing Date:
March 27, 2002
Export Citation:
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Assignee:
DAINIPPON PRINTING CO LTD
International Classes:
G01B11/28; G06T1/00; B41J29/46; (IPC1-7): B41J29/46; G01B11/28; G06T1/00
Attorney, Agent or Firm:
Satoshi Kanayama