Advanced Image Enhancement Method for Distant Vessels and Structures in Capsule Endoscopy

Table 2

Feature similarity index color, FSIMc.

	HE	AHE	CLAHE	M1	M2	PM
Image 1	0.7471	0.8014	0.7765	0.8685	0.9500	0.9660
Image 2	0.8932	0.8144	0.8018	0.8383	0.9428	0.9741
Image 3	0.8726	0.8282	0.8072	0.8133	0.9321	0.9690
Image 4	0.8175	0.8123	0.7780	0.8673	0.9492	0.9728
Image 5	0.8873	0.8397	0.8029	0.8674	0.9513	0.9618
Image 6	0.7764	0.8716	0.8366	0.8734	0.9532	0.9579
Image 7	0.8906	0.8553	0.8216	0.8945	0.9541	0.9646