Evidence-Based Complementary and Alternative Medicine / 2020 / Article / Fig 2

Research Article

A Noncontact Method for Locating Radial Artery above Radial Styloid Process in Thermal Image

Figure 2

Schematic illustration of locating GUAN. (a) Thermal image of the wrist, (b) edge image of the wrist, (c) the processed edge image of the wrist, (d) schematic illustration of locating x coordinate of GUAN, (e) the radial artery region segmented by the grayscale features of the edge point neighborhood, and (f) thermal image marked with GUAN.

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