Keyphrases
- input image
- image features
- image data
- template matching
- single image
- multiscale
- image retrieval
- spatial frequency
- image analysis
- orientation estimation
- spatial information
- image classification
- image representation
- image content
- location and orientation
- rotation angle
- segmentation method
- gaussian derivatives
- pixel values
- automatic image orientation
- intensity variations
- image regions
- low level
- high resolution
- detection method
- detection algorithm
- image pixels
- object detection
- position and orientation
- hough transform
- aspect ratio
- relative position
- aerial images
- image structure
- computer vision
- image segmentation