已知三个RGB矩阵 如何求出以下4个值?

R =

1 3 5 4

1 3 5 2

0 2 7 5

4 1 4 6

G =

5 6 5 3

6 5 3 1

5 1 7 1

4 5 0 2

B =

3 7 5 5

3 4 4 1

3 1 6 3

4 3 2 3

(a)what is the value of the greatest intensity?

(b)what is the value of the lowest intensity?

(c)what is the value of the highest saturation?

(d)what is the value of the lowest saturation?


无非就是最大最小亮度和最大最小饱和度

计算方式:https://www.jianshu.com/p/4aea3df072fc