DETECTOR

摘要

PROBLEM TO BE SOLVED: To provide a detector that can continuously detect subjects with high accuracy.SOLUTION: A detector of the present invention includes: a first imaging unit that photographs an image including subjects from a first direction; a second imaging unit that photographs an image including the subjects from the first direction and is different from the first imaging unit; and calibration means for photographing subjects in an area where photographed areas of the first imaging unit and the second imaging unit overlap with each other so as to calibrate at least one of the first imaging unit and the second imaging unit.