[Retracted] Fusion Analysis of Chinese Painting Color Teaching and Intelligent Image Color Processing Technology

Table 6

Deviation of the mean value of main color brightness.

Color space	Period	Minimum	Maximum	Weighted mean	Standard deviation
Lightness V	Early Tang Dynasty	21	73	46.19	18.374
Lightness V	Prosperous Tang Dynasty	23	74	45.9	18.087
Lightness V	Mid-Tang Dynasty	17	73	51.64	19.424
Lightness V	Late Tang Dynasty	17	65	43.04	18.287