
- Dark or bright photos
- Blurred or fuzzy images
- Images with strong shadows or highlights
- Overcast, direct or reflective lighting
- Busy or distracting backgrounds or foregrounds
- Low-resolution, tiny or compressed images
- Images with noticeable noise or grain
- Images with headwear or sunblock on the face
- Images with dramatic facial expressions or movement
- Images with heavy makeup or sunscreen on the face
