Unsupervised learning for image classification based on distribution of hierarchical feature tree.
Thach-Thao DuongJoo-Hwee LimHai-Quan VuJean-Pierre ChevalletPublished in: RIVF (2008)
Keyphrases
- unsupervised learning
- image classification
- image features
- spatial pyramid
- supervised learning
- binary tree
- hierarchical structure
- sparse coding
- spatial pooling
- image representation
- deep belief networks
- object recognition
- feature extraction
- feature vectors
- expectation maximization
- tree structure
- dimensionality reduction
- computer vision
- visual features
- deep learning
- bag of words
- feature selection
- spatial distribution
- pattern recognition
- feature set
- face recognition
- semi supervised
- random variables
- spatial pyramid matching
- feature distributions
- data sets