Whiteboard scanning and image enhancement.
Zhengyou ZhangLi-wei HePublished in: Digit. Signal Process. (2007)
Keyphrases
- image enhancement
- image processing
- digital camera
- video camera
- image analysis
- image processing and analysis
- digital image processing
- numerical analysis
- contrast enhancement
- edge detection
- partial differential equations
- histogram equalization
- median filter
- noise removal
- multiscale
- gamma correction
- color images
- color image enhancement
- pattern recognition
- minutiae extraction
- unsharp masking
- shock filter
- neural network
- transfer function
- frequency domain
- image restoration
- viewpoint
- face recognition
- computer vision
- machine learning