Organic Boundary Location Based on Color-Texture of Visual Perception in Wireless Capsule Endoscopy Video

Figure 2

Process results of obtaining the VROF region and histogram comparison in Lab color space between digestive tract histology and the disturbance. The descriptions of the figure from left to right now follow. (a) Samples with five categories of the disturbances marked by red dashed line that are food debris, strong shadows, excessive bright region, air bubbles, and gastric juice consecutively. (b) Lab color model. (c) The comparison result of histograms between digestive tract histology and the disturbance in channels a and b in Lab domain. (d) Images processed by CSD method. The black regions are invalid and the colored parts are used for feature extraction.