Whole-process automatic attendance system used in classroom
A full-automatic, classroom-based technology, applied in CCTV systems, recording/indicating the time of events, television, etc., can solve problems such as low accuracy and easy misjudgment, achieve high accuracy, improve the success rate of identification, clear Imaging effects
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[0014] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0015] Such as figure 1 The embodiment shown is a full automatic attendance system used in classrooms, which is applied in university classrooms. The attendance system includes four main subsystems: pre-stored data acquisition system, acquisition system, analysis system and statistics system. The pre-stored data acquisition system uses a 13-megapixel high-definition camera to collect three images of the front, left and right sides of the face of the attendant, and stores the images as standard data and transmits them to the analysis system. The acquisition system includes 4 CCD cameras, which are respectively set in the upper left corner, upper right corner, upper left wall and upper right wall of the classroom, and the focal length, height, elevation angle and other camera parameters of the camera are calibrated to ensure that people in any p...
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