Automated Tongue Feature Extraction for ZHENG Classification in Traditional Chinese Medicine

Table 1

Symptom profile terms of Cold ZHENG and Hot ZHENG.

Subjects	Terms (keywords)
Cold-ZHENG related symptoms	Cold (chill, coldness), hot diet/drink preferred, desires warm environment, pale flushing of face, not thirsty, no bad mouth breath, no acidic saliva, clear urine, loose stool, high and short pitch voice, and feeling cold at limbs.
Hot-ZHENGrelated symptoms	Fever (heat, hot), cold diet/drink preferred, desires cold environment, red flushing of face, thirsty, obvious bad mouth breath, acidic saliva, yellow urine, hard stool, constipation, and feeling hot at limbs.