Keyphrases
- image representation
- image data
- image features
- image retrieval
- image analysis
- image content
- feature points
- multiscale
- single image
- hierarchical representation
- input image
- image regions
- segmentation method
- image classification
- feature representation
- image segmentation
- image collections
- similarity measure
- keypoints
- low level
- edge detection
- image pixels
- image description
- geometric shapes
- hough transform
- spatial information
- vector field
- lighting conditions
- spatial relations
- pixel values
- high resolution
- raw image