Geometrical feature extraction from ultrasonic time frequency images: An application to nondestructive testing of materials.
Ramón MirallesSoledad GomezValery NaranjoAddisson SalazarPublished in: EUSIPCO (2008)
Keyphrases
- feature extraction
- image classification
- input image
- image data
- image database
- three dimensional
- extracted features
- image collections
- ground truth
- image features
- wavelet transform
- rigid body
- test images
- image matching
- segmentation method
- gabor filters
- image registration
- feature representation
- image retrieval
- preprocessing
- object recognition
- similarity measure
- extracting features
- principal components
- geometrical features
- feature selection
- image analysis
- feature extractors
- invariant properties
- image feature extraction
- feature points
- region of interest
- frequency domain
- segmentation algorithm
- image processing