Image Recognition Method of Agricultural Pests Based on Multisensor Image Fusion Technology

Table 3

Morphological feature extraction terms and values.

Morphological characteristics	Values corresponding to pest category
	Leaf-curling moth	Bean-eaten leaf borer	Flame leaves moth	Blue butterfly	Bean butterfly	Clover the moth
Rectangularity	0.8900	0.5610	0.5840	0.6551	0.4800	0.5911
Compactness	0.7850	0.6500	0.5681	0.7500	0.5000	0.7100
Roundness	1.5905	0.6398	1.1259	1.2350	0.7852	0.9831
Narrow	1.4100	1.2500	1.2310	1.1200	1.2560	1.2300
Equivalent ellipse length-axis ratio	1.3333	1.5384	1.4615	1.5625	1.6667	1.8500
Lobate	0.6589	1.2301	0.7814	0.6000	1.1580	0.5600