Title:
IMAGE CORRECTION DEVICE AND IMAGE CORRECTION METHOD
Document Type and Number:
WIPO Patent Application WO/2014/076915
Kind Code:
A1
Abstract:
The present invention provides an image correction device for obtaining a correction value against noise caused by variation in sensitivity of an image-capturing sensor, without requiring a mechanical structure for that purpose in an image-capturing device. This image correction device is provided with a correcti on value calculation means for calculating and then outputting a correction value corresponding to an offset assumed to be a "high frequency component coexi sting in a plurality of input images," the calculation being made on the basis of the plurality of input images, each of said images having a noise image cor responding to variation in sensitivity of a plurality of image-capturing sensors superposed on an image of a subject to be imaged corresponding to radiation from the subject to be imaged.
Inventors:
IKETANI AKIHIKO (JP)
Application Number:
PCT/JP2013/006595
Publication Date:
May 22, 2014
Filing Date:
November 08, 2013
Export Citation:
Assignee:
NEC CORP (JP)
International Classes:
H04N5/365; G01J1/42; G01J1/44; G01J5/48; H04N5/33
Foreign References:
| JP2000125206A | 2000-04-28 | |||
| JP2006140982A | 2006-06-01 |
Attorney, Agent or Firm:
SHIMOSAKA, NAOKI (JP)
Naoki Shimosaka (JP)
Naoki Shimosaka (JP)
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