Title:
IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD
Document Type and Number:
Japanese Patent JP2023067165
Kind Code:
A
Abstract:
To improve the accuracy of extracting information.SOLUTION: An image processing apparatus extracts embedded information from a print document printed by an electrophotographic method, and comprises: first acquisition means that acquires first image data by performing reading while irradiating the print document with light; second acquisition means that acquires second image data by performing reading without irradiating the print document with light; determination means that determines if an area where the density of colors is increased is present on the print document; and decision means that decides one of the first image data and the second image data as image data used in extracting the embedded information according to the determination made by the determination means.SELECTED DRAWING: Figure 14
Inventors:
YAMADA AKITOSHI
KUNIEDA HIROYASU
KASHIBUCHI YOICHI
KUNIEDA HIROYASU
KASHIBUCHI YOICHI
Application Number:
JP2021178184A
Publication Date:
May 16, 2023
Filing Date:
October 29, 2021
Export Citation:
Assignee:
CANON KK
International Classes:
H04N1/387; H04N1/00
Attorney, Agent or Firm:
Patent Attorney Tani / Abe Patent Office
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