US 12,217,469 B2
Photographing apparatus and authentication apparatus
Yusuke Matsuda, Tokyo (JP); Naoto Miura, Tokyo (JP); Akio Nagasaka, Tokyo (JP); Yo Nonomura, Tokyo (JP); Keiichiro Nakazaki, Tokyo (JP); and Masahiro Kato, Tokyo (JP)
Assigned to Hitachi, Ltd., Tokyo (JP)
Filed by Hitachi, Ltd., Tokyo (JP)
Filed on Sep. 13, 2022, as Appl. No. 17/944,048.
Claims priority of application No. 2022-032968 (JP), filed on Mar. 3, 2022.
Prior Publication US 2023/0281284 A1, Sep. 7, 2023
Int. Cl. G06V 10/143 (2022.01); G06V 10/141 (2022.01); G06V 10/44 (2022.01); G06V 10/60 (2022.01); G06V 40/10 (2022.01); G06V 40/12 (2022.01)
CPC G06V 10/143 (2022.01) [G06V 10/141 (2022.01); G06V 10/44 (2022.01); G06V 10/60 (2022.01); G06V 40/117 (2022.01); G06V 40/1341 (2022.01); G06V 40/1365 (2022.01); G06T 2207/10048 (2013.01); G06T 2207/10152 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A photographing apparatus, comprising:
a processor, the processor is configured to:
irradiate a living body with beams of light having a plurality of wavelengths different from one another, wherein the living body comprises a plurality of fingers;
photograph the irradiated living body to generate image data of the living body;
generate, based on the image data, a plurality of pieces of wavelength separation image data, by separation into the plurality of wavelengths; and
control, based on the image data and on the plurality of pieces of wavelength separation image data, irradiation light amounts of the beams of light having the plurality of wavelengths,
wherein the processor is configured to control the irradiation light amounts of the beams of light having the plurality of wavelengths, based on regions of some of the plurality of fingers that are included in the image data about the plurality of fingers and the plurality of pieces of wavelength separation image data.