Local Signature Quantization by Sparse Coding.
Davide BoscainiUmberto CastellaniPublished in: 3DOR@Eurographics (2013)
Keyphrases
- sparse coding
- dictionary learning
- natural images
- sparse representation
- linear combination
- image classification
- unsupervised learning
- generative model
- image representation
- reconstruction error
- single image super resolution
- discriminative power
- image patches
- visual words
- person re identification
- sparse codes
- group sparsity
- object category recognition
- higher order
- high dimensional
- small number
- pattern recognition
- feature extraction
- face recognition
- bag of words
- model selection
- probabilistic model
- feature space
- image processing
- machine learning