Title:
IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD
Document Type and Number:
Japanese Patent JP2023067164
Kind Code:
A
Abstract:
To improve the accuracy of extracting information.SOLUTION: An image processing apparatus extracts embedded information from a print document, and comprises: first acquisition means that acquires a printing method for the print document; second acquisition means that can acquire first image data by performing reading while irradiating the print document with light; third acquisition means that can acquire second image data by performing reading without irradiating the print document with light; and extraction means that extracts the embedded information by using at least one of the first image data and the second image data according to the printing method acquired by the first acquisition means.SELECTED DRAWING: Figure 16
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Inventors:
KUNIEDA HIROYASU
YAMADA AKITOSHI
KASHIBUCHI YOICHI
YAMADA AKITOSHI
KASHIBUCHI YOICHI
Application Number:
JP2021178183A
Publication Date:
May 16, 2023
Filing Date:
October 29, 2021
Export Citation:
Assignee:
CANON KK
International Classes:
H04N1/387; H04N1/00; H04N1/32
Attorney, Agent or Firm:
Patent Attorney Tani / Abe Patent Office
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