Similarity Evaluation on the Compound TCM Formulation “Huoling Shengji Granule” and Its Placebo by Intelligent Sensory Evaluation Technologies and the Human Sensory Evaluation Method Based on Critical Quality Attributes

Table 4

Similarity of visual indicators of the granule and solution between HLG and the placebo.

Visual index	Granule		Solution
	RGB	HSV	RGB	HSV
Similarity (cosine)	1.0000	0.9980	0.9973	0.9916