Abdominal Tumor Characterization and Recognition Using Superior-Order Cooccurrence Matrices, Based on Ultrasound Images

Table 1

The classification performance obtained by using the third order EOCM features for the most important combinations of displacement vector directions.

Comb. of dir.	Classif. meth.	Recog. rate	TP rate	TN rate	AuC	Time
(45°, 315°)	SVM	65.27%	48.9%	84.6%	63.3%	129.25 s
	MLP	61.176%	58.2%	64.2%	63.9%	19.08 s
(0°, 90°)	SVM	65.81%	46.6%	85%	65.8%	157.95 s
	MLP	62.51%	60.9%	64.2%	67.6%	17.74 s