Biometric-Based Attendance Tracking System for Education Sectors: A Literature Survey on Hardware Requirements

Table 6

A comparison of the performance of CCD and CMOS sensors.

Performances/characteristics	CCD	CMOS
Image quality	High	Low
Light sensitivity	High	Low
Speed	Slow	Fast
Power consumption	High	Low
Size	Large	Small
System on chip integration	Hard	Easy
Cost	High	$21-$545 (based on the sensor of the camera listed in Table 5)