Edge detection and feature extraction by non-orthogonal image expansion for optimal discriminative SNR.
K. Raghunath RaoJezekiel Ben-AriePublished in: CVPR (1993)
Keyphrases
- edge detection
- feature extraction
- multiscale
- signal to noise ratio
- image classification
- noise reduction
- input image
- image processing
- image preprocessing
- image analysis
- single image
- image content
- noisy images
- image features
- image retrieval
- feature extractor
- noise estimation
- feature representation
- edge map
- extracting features
- feature selection
- image feature extraction
- sobel operator
- image data
- image enhancement
- edge detector
- feature points
- intensity gradient
- edge detection algorithm
- low level feature extraction
- extracted features
- region of interest
- image representation
- wavelet transform
- zero crossing
- edge points
- region growing
- image edges
- test images
- hough transform
- segmentation algorithm
- blur estimation
- feature vectors
- image segmentation