Table 2 Subjective evaluation criteria
From: Infrared and visible image fusion based on nonlinear enhancement and NSST decomposition
Score | Quality level | Obstruction level |
|---|---|---|
5 | Perfect | Do not see the deterioration of image quality |
4 | Good | Could see the deterioration of image quality, do not affect viewing |
3 | Ordinary | See clearly the deterioration of image quality, affect viewing slightly |
2 | Bad | Affect viewing |
1 | Worst | Affect viewing seriously |