Facial age feature extraction based on deep sparse representation.
Haibin LiaoPublished in: Multim. Tools Appl. (2019)
Keyphrases
- sparse representation
- face recognition
- feature extraction
- age estimation
- face images
- image classification
- facial images
- dictionary learning
- sparse coding
- human faces
- feature representation
- facial expressions
- dimensionality reduction
- facial expression recognition
- principal component analysis
- compressed sensing
- manifold learning
- compressive sensing
- negative matrix factorization
- image patches
- gabor features
- random projections
- joint optimization
- regularized least squares
- feature vectors
- object tracking
- test images
- pattern recognition
- sparsity constraints
- illumination variations
- neural network
- face detection
- norm minimization
- feature space
- computer vision
- piecewise smooth
- machine learning
- gabor filters
- frequency domain
- image representation
- higher order
- face verification
- dimension reduction
- high dimensional data
- generative model
- image retrieval
- decision trees
- sparse codes