Multiscale Covariance Fields, Local Scales, and Shape Transforms.
Diego H. Diaz MartinezFacundo MémoliWashington MioPublished in: GSI (2013)
Keyphrases
- multiscale
- multiple scales
- shape representation
- coarse scale
- automatic scale selection
- multiscale representation
- scale space
- single scale
- image processing
- fine scale
- scale selection
- natural images
- image segmentation
- computer vision
- edge detection
- shape descriptors
- wavelet transform
- multiscale analysis
- image representation
- shape retrieval
- shape model
- filter bank
- object recognition
- keypoints
- medial axis
- spatial extent
- curvature scale space
- multivariate gaussian distribution
- shape recognition
- covariance matrices
- shape features
- image structure
- shape prior
- vector field
- multiresolution
- feature vectors
- pairwise
- feature extraction