Human-Machine Interface for a Smart Wheelchair

Table 1

Vision processing near 10Hz operating frequency.

	720x225			960x300
	Pixel Resolution (HxV)			Pixel Resolution (HxV)
Image Segments	CPU Usage (%)	Processing Time (ms)	Operating Frequency (Hz)	CPU Usage (%)	Processing Time (ms)	Operating Frequency (Hz)
1	37	98	10.2	35	153	6.6
2	62	81	12.3	62	116	8.6
3	69	88	11.4	64	124	8.1
4	78	90	11.1	77	118	8.5