7.4 Ethical Guidelines for Manipulating Images

All manipulations should be global and linear. The following manipulations are generally accepted:

1. Brightness
2. Contrast
3. Background subtraction
4. Filtering
5. Cropping

The following manipulations could be considered as scientific misconducts - these manipulations could mislead viewers:

1. Adding or subtracting features.
2. Changing gamma
3. Partial enhancement of a specific feature