Blue Laser Imaging-Bright Improves Endoscopic Recognition of Superficial Esophageal Squamous Cell Carcinoma

Figure 3

In the color space system the color differences are visualized as distances in a diagram. : color brightness ( is black and is white). : position between red and green (negative values are progreen; positive values are prored). : position between yellow and blue (negative values are problue; positive values are proyellow).