Table 1.

Benchmark results for different expansion ratios for three sample images

Expansion ratio	1.2	1.5	2.0
Precision	Image 1	0.927	0.975	0.976
	Image 2	0.881	0.882	0.878
	Image 3	0.977	0.939	0.930
Recall	Image 1	1	0.995	0.995
	Image 2	0.999	1	0.999
	Image 3	1	1	0.999