Pyramidal Watershed Segmentation Algorithm for High-Resolution Remote Sensing Images Using Discrete Wavelet Transforms

Table 1

The results of image segmentation on each resolution.

Test image	Scale levels	Selective minima value, H	Number of segments	Computational time (sec)
Satellite image 1	cA0	95	188	0.55
	cA1	1000	30	0.23
	cA2	3000	7	0.15
Satellite image 2	cA0	60	215	0.75
	cA1	1200	35	0.25
	cA2	3900	4	0.10
Brain image	cA0	120	62	0.45
	cA1	500	22	0.3
	cA2	3500	2	0.10
Flowers image	cA0	130	69	0.40
	cA1	800	8	0.25
	cA2	3000	3	0.10
Peppers image	cA0	60	38	0.35
	cA1	1200	5	0.20
	cA2	2700	3	0.15