AgFlow: fast model selection of penalized PCA via implicit regularization effects of gradient flow.
Haiyan JiangHaoyi XiongDongrui WuJi LiuDejing DouPublished in: Mach. Learn. (2021)
Keyphrases
- model selection
- gradient flow
- cross validation
- automatic model selection
- variational formulation
- hyperparameters
- principal component analysis
- regularization parameter
- parameter estimation
- variable selection
- mixture model
- feature extraction
- information criterion
- sample size
- machine learning
- gaussian process
- energy functional
- active contours
- motion segmentation
- high dimensional
- face recognition
- model selection criteria
- prior information
- missing data
- feature selection
- semi supervised