“…Storing various poses like turning head down, turning head to the right, turning head to left, stretching the arms, quitting, and leaning back in the chair because the user may make movements during exam [4,15]. Take photos of students` faces and record them in a database for future comparison in the authentication process as in [7,24,25,26,27,28,29,30,31,32,33,34, C1, C2, C3].…”