Title:
IMAGE ANALYSIS METHOD, IMAGE ANALYSIS DEVICE, PROGRAM, AND RECORDING MEDIUM
Document Type and Number:
WIPO Patent Application WO/2022/070774
Kind Code:
A1
Abstract:
Provided are an image analysis method, an image analysis device, a program, and a recording medium, which enable easy elimination of an influence due to distribution of illuminance when capturing an image of a target object. The present invention involves: acquiring first image data obtained by capturing, at a first sensitivity, an image of a target object which emits, when external energy is imparted thereto, a color in accordance with the amount of the external energy; acquiring second image data obtained by capturing an image of the target object at a second sensitivity different from the first sensitivity; calculating the ratio of an image signal value indicated by the first image data with respect to an image signal value indicated by the second image data; and estimating the amount of external energy imparted to the target object on the basis of a correspondence relationship between the ratio and the amount of external energy and the result of calculation of the ratio in the calculation step.
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Inventors:
YAMAZAKI YOSHIRO (JP)
Application Number:
PCT/JP2021/032477
Publication Date:
April 07, 2022
Filing Date:
September 03, 2021
Export Citation:
Assignee:
FUJIFILM CORP (JP)
International Classes:
G01L1/24; G01J1/58; G01L1/00; G01L5/00
Foreign References:
| JP2008232665A | 2008-10-02 | |||
| JP2007279013A | 2007-10-25 | |||
| JP2015215291A | 2015-12-03 | |||
| US20160299018A1 | 2016-10-13 | |||
| JPH01180436A | 1989-07-18 | |||
| JP2008232665A | 2008-10-02 | |||
| JPH05110767A | 1993-04-30 | |||
| JPH05110767A | 1993-04-30 | |||
| JP2020073907A | 2020-05-14 |
Other References:
See also references of EP 4224129A4
Attorney, Agent or Firm:
ITOH Hideaki et al. (JP)
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