A fast algorithm for estimating overcomplete ICA bases for image windows.
Aapo HyvärinenRazvan CristescuErkki OjaPublished in: IJCNN (1999)
Keyphrases
- image features
- image data
- multiscale
- single image
- image classification
- input image
- template matching
- image retrieval
- low level
- edge detection
- image content
- image analysis
- image pixels
- image segmentation
- region of interest
- test images
- vector field
- image representation
- high resolution
- segmentation method
- linear combination
- natural images
- image regions
- image matching
- computer vision
- preprocessing
- independent component analysis
- image structure
- pixel values
- face recognition
- grey level