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Harvard University uses camera tracking system to survey attendance rate. Students are agitated by t

In domestic universities, the way to check attendance is by teacher roll call. Recently, Harvard University in the United States has made a bold attempt to investigate the attendance rate with a camera tracking system without the students' knowledge. When the students knew all this, it caused panic.

This system is composed of camera and monitoring analysis system, responsible for the camera lens secretly set up in the classroom, the lens is aimed at the students, and then the monitoring analysis system can automatically identify the seat vacancy through the image. When the students know this, they are very scared and afraid that their personal privacy will be disclosed. The experiment has been stopped.