Title:
Radiation imaging equipment and its control methods, radiographic image processing equipment and methods, and programs and computer-readable storage media.
Document Type and Number:
Japanese Patent JP6305008
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To suitably correct a radiation defective pixel to be generated when automatically detecting radiation irradiation to acquire a radiation image.SOLUTION: A radiation imaging device: acquires a radiation image from radiation detected by radiation detection means; corrects a first pixel that is a correction object in the radiation image by referring to a second pixel other than the first pixel; calculates an evaluation value for evaluating increase of a noise level caused by correcting the first pixel; and performs processing for reducing the noise level to the first pixel after correction on the basis of the calculated evaluation value.
Inventors:
Naoto Takahashi
Application Number:
JP2013218675A
Publication Date:
April 04, 2018
Filing Date:
October 21, 2013
Export Citation:
Assignee:
Canon Inc
International Classes:
A61B6/00
Domestic Patent References:
| JP2012176155A | ||||
| JP2013085632A | ||||
| JP2004080749A | ||||
| JP2008252564A | ||||
| JP2007075598A |
Foreign References:
| WO2011013390A1 |
Attorney, Agent or Firm:
Yasunori Otsuka
Shiro Takayanagi
Yasuhiro Otsuka
Shuji Kimura
Osamu Shimoyama
Nagakawa Yukimitsu
Shiro Takayanagi
Yasuhiro Otsuka
Shuji Kimura
Osamu Shimoyama
Nagakawa Yukimitsu