CPC A61B 5/0261 (2013.01) [A61B 5/0077 (2013.01); A61B 5/021 (2013.01); A61B 5/14552 (2013.01); A61B 5/165 (2013.01); A61B 5/441 (2013.01); A61B 5/443 (2013.01); A61B 5/444 (2013.01); A61B 5/445 (2013.01); A61B 5/7207 (2013.01); A61B 5/7278 (2013.01); G06V 10/145 (2022.01); G06V 40/10 (2022.01); G06V 40/45 (2022.01); H04N 25/134 (2023.01); A61B 2562/0233 (2013.01); A61B 2576/00 (2013.01); G06V 40/14 (2022.01); G06V 40/171 (2022.01); H04N 5/33 (2013.01); H04N 9/03 (2023.01); H04N 13/239 (2018.05); H04N 23/10 (2023.01)] | 11 Claims |
1. A system comprising:
a light source that, in operation, projects dots onto a target, the dots being formed by first light;
a first photodetector that, in operation, detects second light resulting from the projection of the dots onto the target; and
a circuit that in operation,
determines whether the target is a living body or not based on the second light,
performs a biometric authentication of the target, and
performs an individual authentication based on the determination whether the target is a living body and result of the biometric authentication.
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