Graph regularized sparse coding for 3D shape clustering.
A. Ben HamzaPublished in: Knowl. Based Syst. (2016)
Keyphrases
- sparse coding
- unsupervised learning
- dictionary learning
- alternating optimization
- sparse representation
- natural images
- image classification
- linear combination
- sparsity constraints
- image representation
- clustering algorithm
- image patches
- norm minimization
- generative model
- sparse codes
- semi supervised
- feature space
- spectral clustering
- supervised learning
- object category recognition
- k means
- data points
- information theoretic
- visual words
- high dimensional
- manifold structure
- feature selection
- machine learning
- image processing
- high dimensional data
- text classification
- small number
- prior knowledge
- training set