Image gradient index for classifying digital camera and scanned images.
Narong MettripunThumrongrat AmornraksaPublished in: ISCIT (2014)
Keyphrases
- scanned images
- digital camera
- image gradient
- digital images
- low contrast
- object boundaries
- image sharpening
- low cost
- image capture
- optical flow
- video camera
- image enhancement
- image regions
- image structure
- input image
- document images
- inverse halftoning
- energy functional
- real time
- image sensor
- noise removal
- denoising
- fully automatic
- active contours
- computer vision
- natural images