Title:
ILLUMINATION CONTROL DEVICE, ILLUMINATION CONTROL METHOD, RECORDING MEDIUM, AND IMAGING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2023/032051
Kind Code:
A1
Abstract:
An illumination control device 3 comprises: a detection means 311 for detecting, in an eye image IMG_E generated by capturing an image of an eye of an object illuminated with illumination light IL from an illumination device 2, an iris area IA corresponding to an iris of an eye and a reflection area RA corresponding to a reflection image of the illumination light; and an illumination control means 312 for controlling the illumination device on the basis of the state of overlap between the iris area and the reflection area.
Inventors:
AKASHI RYUICHI (JP)
YOSHIMI KOSUKE (JP)
OGINO YUKA (JP)
YAMAKABE RYO (JP)
YOSHIMI KOSUKE (JP)
OGINO YUKA (JP)
YAMAKABE RYO (JP)
Application Number:
PCT/JP2021/032008
Publication Date:
March 09, 2023
Filing Date:
August 31, 2021
Export Citation:
Assignee:
NEC CORP (JP)
International Classes:
G03B15/02; A61B5/1171; G06T1/00
Domestic Patent References:
| WO2020261424A1 | 2020-12-30 | |||
| WO2020009126A1 | 2020-01-09 | |||
| WO2020261424A1 | 2020-12-30 | |||
| WO2021049428A1 | 2021-03-18 |
Foreign References:
| JP2003308523A | 2003-10-31 | |||
| JPH11203478A | 1999-07-30 | |||
| JP2004046451A | 2004-02-12 | |||
| JP2002341406A | 2002-11-27 | |||
| JPH11203478A | 1999-07-30 | |||
| JP2002514098A | 2002-05-14 | |||
| JP2003308523A | 2003-10-31 | |||
| JP2007319174A | 2007-12-13 |
Attorney, Agent or Firm:
EGAMI, TATSUO et al. (JP)
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