CPC G06T 7/62 (2017.01) [G06T 7/0012 (2013.01); G06T 7/70 (2017.01); G06T 7/90 (2017.01); G06V 40/162 (2022.01); G06V 40/18 (2022.01); G06V 40/193 (2022.01); G06T 2207/30041 (2013.01)] | 6 Claims |
1. A method of determining whether a person has taken drugs, comprising:
acquiring an image of a person using a detection device;
acquiring an image of a pupil of the person from the image of the person;
measuring a distance between the person and the detection device using the detection device;
calculating an actual size of the pupil of the person based on the measured distance and a size of pixels occupied by the image of the pupil of the person in the image of the person;
measuring a body temperature of the person by using the detector; and
determining whether the person has taken drugs based on the actual size of the pupil of the person and the body temperature of the person.
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