Keyphrases
- edge detection
- image data
- edge map
- input image
- multiscale
- image features
- image content
- image analysis
- image classification
- edge information
- image segmentation
- image representation
- edge points
- grey level
- segmentation method
- image retrieval
- edge direction
- edge pixels
- gray value
- single image
- adjacent pixels
- feature points
- high quality
- multiple scales
- image statistics
- image regions
- gradient magnitude
- adjacent regions
- spatial statistics
- image gradient
- pixel values
- test images
- natural images
- high resolution
- image sequences