Figure 10
From: Joint Skewness and Its Application in Unsupervised Band Selection for Small Target Detection
Different measure criterion for information, (a) the sum of square root of variances (information), with λ1 + λ2> λ3 + λ4 (b) the product of square root of variances, with λ1 × λ2 <λ3 × λ4.
