Overexposure to light
 Digital noise
 Low-resolution camera
Excessive motion
 Blurriness
Inappropriate use of image processing techniques
Lack of sharpness or clarity
Color distortions and color cast
 Image noise
Poor color balance and contrast accuracy
Presence of horizontal or vertical lines in the image
Image distortion due to external factors such as dust or scratches
Unprofessional manipulation of image quality during editing
 Lack of image clarity due to camera shake
Image distortion due to hand shaking during photography.
2d
carton
distortion, lowres, bad hands, text, error, missing fingers, extra digit, fewer digits, cropped, worst quality, low quality, normal quality, jpeg artifacts, signature, watermark, picture frame