Automatic Detection of Small Intestinal Hookworms in Capsule Endoscopy Images Based on a Convolutional Neural Network

Table 2

Causes of discrepancies in classifications by the experts and by the CNN.

	(%)
False-negative lesions ()
Poorly demarcated	(53.6)
Debris	12 (21.4)
Darkness	17 (30.4)
Poor focus	1 (1.8)
Similarity to the edge of the bubble	7 (12.5)
Similarity to the submucosal vascular shadow	17 (30.4)
Smallness	2 (3.6)
False-positive lesions ()
Darkness	32 (3.6)
Bubble	179 (20)
Debris	516 (57.7)
Vascular shadow	73 (8.2)
Smallness	3 (0.2)
Fold	92 (10.3)
Hookworms overlooked by experts ()
True hookworms	2 (100)

Caused by dark view or coffee-like bloody fluid.