Subspace Learning and Joint Distribution Adaptation for Unsupervised Cross-Database Microexpression Recognition.
Yanliang ZhangYing LiuGeng LiHongxing PengPublished in: Mob. Inf. Syst. (2021)
Keyphrases
- subspace learning
- joint distribution
- database
- dimensionality reduction
- marginal distributions
- maximum entropy
- semi supervised
- manifold learning
- conditional probabilities
- random variables
- unsupervised learning
- object recognition
- principal component analysis
- data sets
- relational databases
- low dimensional
- sparse representation
- feature extraction
- learning algorithm
- subspace learning algorithm
- probabilistic model
- high dimensional data
- image retrieval
- high dimensional
- sparse coding
- pattern recognition
- face recognition
- machine learning