Table 1 Features used for ENIQA
From: No-reference color image quality assessment: from entropy to perceptual quality
Group | Feature vector | Feature description |
|---|---|---|
1 | f1– f6 | MI between the RGB channels for two scales |
2 | f7– f10 | Mean and skewness of the TE of the grayscale image for two scales |
3 | f11– f42 | Mean and skewness of the TE of the eight subband images for two scales |
4 | f43– f54 | MI of the subband images in different orientations for two scales |
5 | f55– f56 | MI of the subband images at different center frequencies for two scales |