Sharp Feature Detection on Point Sets via Dictionary Learning and Sparse Coding.
Esmeide LealJohn BranchGermán Sánchez TorresPublished in: VISIGRAPP (1: GRAPP) (2019)
Keyphrases
- feature detection
- dictionary learning
- sparse coding
- point correspondences
- sparse representation
- natural images
- object recognition
- image classification
- linear combination
- image representation
- image features
- scale space
- discriminative power
- unsupervised learning
- keypoints
- generative model
- visual words
- sparse codes
- multiscale
- feature space
- high quality
- image analysis
- image patches
- discriminative dictionary
- feature points
- machine learning
- gaussian mixture model
- denoising
- pairwise
- neural network