On-Road Driver Monitoring System Based on a Solar-Powered In-Vehicle Embedded Platform

Table 1

The scaling factors of the resolutions used by the image pyramids [21].

Level	Width	Height	Scale factor
0	640	480	1
1	320	240	2
2	160	120	4
3	128	96	5
4	80	60	8
5	64	48	10
6	40	30	16
7	32	24	20