Figure 9
From: Underwater image quality assessment method based on color space multi-feature fusion

Scatter plots of the predicted quality index Q versus Subjective Scores for the test set. The x-axis is the predicted quality index Q and the y-axis is the subjective value. The red line represents the ideal linear correlated line. (a) SAUD dataset. (b) LIVE dataset. (c) SIQAD dataset. (d) LIVEC dataset.