Particle Swarm Optimization and Salp Swarm Algorithm for the Segmentation of Diabetic Retinal Blood Vessel Images

Table 2

Optimal segmentation thresholds of each algorithm.

Img	Dim	MSSA	WOA	SSO	PSO	PMSSA
(a)	2	[52, 158]	[56, 164]	[57.162]	[555, 164]	[55, 164]
	3	[27, 81, 178]	[27, 86, 186]	[26.182.81]	[28, 86, 186]	[28, 85, 186]
	4	[21, 60, 125, 199]	[21, 58, 117, 204]	[22, 55, 123, 195]	[23, 125, 63, 204]	[23, 61, 125, 207]
	5	[20, 49, 93, 158, 242]	[12, 34, 75, 134, 223]	[21, 55, 85, 125, 203]	[164, 20, 93, 47, 238]	[20, 53, 106, 172, 223,]
(b)	2	[48, 151]	[49, 153]	[51, 152]	[61, 177]	[49, 151,]
	3	[29, 87, 186]	[30, 89, 183]	[30, 84, 184]	[212, 39, 144]	[28, 37, 183]
	4	[20, 54, 118, 199]	[24, 58, 112, 199]	[29, 66, 131, 217]	[106, 199, 51, 21]	[22, 62, 129, 212]
	5	[19, 46, 87, 113, 119,]	[18, 48, 104, 163, 224]	[22, 49, 86, 139, 217]	[45, 146, 245, 19, 93]	[20, 5199, 115, 228]
(c)	2	[55, 163]	[56, 160]	[55, 167]	[55, 162]	[55, 163]
	3	[30, 89, 187]	[31, 89, 187]	[31, 98, 196	[28, 185, 84]	[29, 87, 185]
	4	[22, 62, 127, 197]	[24, 72, 125, 205]	[27, 57, 120, 202]	[22, 189, 73, 117]	[23, 63, 130, 200]
	5	[17, 38, 71, 124, 200]	[1, 1, 1, 55, 163]	[1, 1, 29, 102, 219]	[75, 20, 245, 39, 158]	[21, 54, 104, 160, 502]
(d)	2	[53, 155]	[51, 152]	[53,152]	[52, 152]	[53, 152]
	3	[24, 73, 126]	[25, 78, 171]	[23,85,783]	[124, 226, 40]	[24, 74, 162]
	4	[21, 60, 126, 201]	[19, 55, 103, 183]	[23,59,114,195]	[140, 69, 25, 244]	[20, 57, 119, 202]
	5	[17, 39, 74, 126, 202]	[18, 43, 86, 141, 210]	[20,42,96,147,235]	[159, 20, 231, 48, 100]	[17, 39, 74, 126, 202]
(e)	2	[46, 139]	[46, 139]	[45, 137]	[143, 47]	[46, 139]
	3	[26, 76, 170]	[26.79, 167]	[29, 81, 171]	[178, 29, 88]	[26, 78, 166]
	4	[22, 62, 136, 225]	[20, 60, 123, 191]	[19, 55, 121, 199]	[202, 22, 50, 116]	[21, 55, 111, 189]
	5	[16, 36, 65, 119, 189]	[15, 45, 97, 171, 224]	[20, 55, 93, 148, 218]	[27, 136, 77, 178, 240]	[21, 54, 113, 178, 225]
(f)	2	[51, 155]	[51, 155]	[53, 151]	[52, 155]	[52, 155]
	3	[26, 77, 171]	[30, 78, 171]	[28, 90, 183]	[29, 85, 179]	[27.82.175]
	4	[22, 60, 123, 209]	[23, 63, 130, 209]	[25, 66, 128, 209]	[231, 124, 23, 69]	[22, 60, 123, 209]
	5	[17, 39, 77, 132, 211]	[18, 51, 93, 146, 211]	[23, 59, 94, 142, 222]	[141, 83, 19, 211, 39]	[19, 46, 87, 147, 227]