Fig. 4

Comparison of skewness and kurtosis. Comparisons of the skewness (A) and kurtosis (B) between original and enhanced image sets of photographs, Wilcoxon signed-rank sum test.
Comparison of skewness and kurtosis. Comparisons of the skewness (A) and kurtosis (B) between original and enhanced image sets of photographs, Wilcoxon signed-rank sum test.