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

Research Article

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

Algorithm 2

Algorithm of locating y coordinate of GUAN.
( 1)Establish and calculate its mean value and standard deviation .
(2)If the , where is the mean gray value of border between the radial artery and other tissues and is the standard deviation of radial artery region, . is used to compose the image of the partial radial artery .
(3)Obtain mean values of y values in each column of and fit an equation.
(4)Obtain y coordinate of GUAN.

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