Keyphrases
- input image
- image segmentation
- image classification
- image retrieval
- template matching
- image data
- image analysis
- image features
- multiscale
- single image
- segmentation method
- image content
- region of interest
- hough transform
- keypoints
- lighting conditions
- post processing
- image pixels
- test images
- image regions
- energy function
- image representation
- feature points
- edge detection
- high resolution
- image processing
- spatial information
- natural images
- vector field
- image database
- pixel values
- three dimensional
- grey level