Fig. 1
From: Biological safety of Electroacupuncture with STS316 needles
Quantitative analysis of tissues with necrosis. a. Photographs of tissues showing pixels (A-1) and tissue with necrosis showing pixels (A-2). b. Graphs showing RGB (red, blue, green) values and number of pixels of the whole tissue (B-1) and RGB values and number of pixels of the tissue with necrosis (B-2). The RGB values of the tissue with necrosis are shown in B-2, and the presence of tissue necrosis was determined by the number of pixels based on Fig. 1 (B-2)