Hardware Design Considerations for Edge-Accelerated Stereo Correspondence Algorithms

Table 4

Comparison of disparity map quality between stand-alone and edge-directed architectures.

Image pair	Percentage of bad pixels
	System 1*			System 2			System 3*			System 4
	nonocc.	all	disc.	nonocc.	all	disc.	nonocc.	all	disc.	nonocc.	all	disc.
	(%)	(%)	(%)	(%)	(%)	(%)	(%)	(%)	(%)	(%)	(%)	(%)
Tsukuba	8.45	10.4	29.5	8.78	10.5	27.4	7.95	9.54	28.9	7.91	8.60	26
Venus	6.33	7.95	46.0	12.3	13.7	32.3	4.41	5.53	31.7	8.78	9.66	27.9

^∗Disparity map quality results for System 1 and System 3 were extracted using Matlab simulation.