AgFlow: Fast Model Selection of Penalized PCA via Implicit Regularization Effects of Gradient Flow.
Haiyan JiangHaoyi XiongDongrui WuJi LiuDejing DouPublished in: CoRR (2021)
Keyphrases
- model selection
- gradient flow
- cross validation
- automatic model selection
- variational formulation
- principal component analysis
- hyperparameters
- regularization parameter
- mixture model
- sample size
- energy functional
- parameter estimation
- active contours
- motion segmentation
- variable selection
- regularization term
- feature selection
- machine learning
- level set
- active contour model
- information criterion
- gaussian process
- mumford shah functional
- dimensionality reduction
- partial differential equations
- model selection criteria
- random sampling
- optical flow
- face recognition
- curve evolution
- feature extraction
- high dimensional
- feature space
- pairwise
- shape prior
- total variation