Robust ECG biometrics using GNMF and sparse representation.
Rui LiGongping YangKuikui WangYuwen HuangFeng YuanYilong YinPublished in: Pattern Recognit. Lett. (2020)
Keyphrases
- sparse representation
- dictionary learning
- norm minimization
- sparse coding
- illumination variations
- compressed sensing
- signal processing
- random projections
- face recognition
- image patches
- pattern recognition
- reconstruction error
- piecewise smooth
- compressive sensing
- negative matrix factorization
- image classification
- sparsity constraints
- image representation
- object tracking
- joint optimization
- dimensionality reduction
- natural images
- decision trees
- sparse approximations
- regularized least squares
- sparse reconstruction
- data sets
- partial occlusion
- high dimensional data
- convex optimization
- robust face recognition
- image features
- training set
- image processing
- machine learning
- sparse coefficients
- neural network