Effects of Sitting and Supine Positions on Tongue Color as Measured by Tongue Image Analyzing System and Its Relation to Biometric Information

<div>Extraction method for tongue color values. (a) Chiu’s method. (b) Extended Chiu’s method.</div>

Evidence-Based Complementary and Alternative Medicine

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Figure 3

Figure 3: Effects of Sitting and Supine Positions on Tongue Color as Measured by Tongue Image Analyzing System and Its Relation to Biometric Information 

Figure 3 | Effects of Sitting and Supine Positions on Tongue Color as Measured by Tongue Image Analyzing System and Its Relation to Biometric Information 