Geo-informative discriminative image representation by semi-supervised hierarchical topic modeling.
Zijian LiSiliang TangJian ShaoWeiming LuYueting ZhuangPublished in: ICME (2014)
Keyphrases
- image representation
- topic modeling
- semi supervised
- topic models
- unsupervised learning
- multiscale
- semi supervised learning
- image classification
- latent dirichlet allocation
- bag of words
- image retrieval
- unlabeled data
- image content
- pairwise
- spatial pyramid
- generative model
- labeled data
- text classification
- supervised learning
- image features
- text mining
- quadtree
- object recognition
- visual words
- scene recognition
- latent topics
- feature space
- active learning
- sparse representation
- sparse coding
- scene classification
- feature extraction
- latent semantic analysis
- probabilistic latent semantic analysis
- bag of visual words
- bag of features
- collaborative filtering
- data mining
- text documents
- bayesian networks
- information retrieval