Target area high-definition face automatic snapshot method
A target area, high-definition person technology, applied in the field of face recognition attendance, can solve the problems of error-prone and low work efficiency, achieve the effect of realizing non-perception, improving search efficiency, and reducing the workload of manual input
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[0036] The present invention will be further described in detail below in conjunction with the embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.
[0037] A method for automatically capturing a high-definition human face in a target area, comprising steps in the following order:
[0038] 1. Input the parameters of the target area (the length, width, and height of the target area are denoted as L, W, and H), the height of the camera installation from the ground is hc, and the distance from the left-hand wall of the students when they are sitting is lc.
[0039] 2. Take the installation position of the PTZ camera as the coordinate origin O(0,0,0), pass through the point where the PTZ camera is located, and establish a spatial rectangular coordinate system (xyz), and take the wall where the camera is installed as the plane where the x-axis and y-axis are located , the z-axis passes through point O and is perpendicular ...
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