Research Article
Image Quality Evaluation Based on Gradient, Visual Saliency, and Color Information
Table 1
Characteristics of the three databases for IQE.
| Database | Distorted images | Reference images | Distortion types | Observers | Image size |
| CSIQ | 866 | 30 | 6 | 35 | | TID2008 | 1700 | 25 | 17 | 838 | | TID2013 | 3000 | 25 | 24 | 971 | | LIVE | 779 | 29 | 5 | 161 | , | IVC | 185 | 10 | 4 | 15 | |
|
|