Keyphrases
- low contrast
- high contrast
- background noise
- thresholding algorithm
- gray value
- contrast enhancement
- image data
- image segmentation
- image analysis
- input image
- multiscale
- adaptive wavelet
- region of interest
- blood vessels
- high resolution
- image retrieval
- feature points
- edge detection
- image features
- similarity measure
- computer vision
- spatial information
- fully automatic
- color images