Correntropy-Induced Discriminative Nonnegative Sparse Coding for Robust Palmprint Recognition.
Kunlei JingXinman ZhangGuokun SongPublished in: Sensors (2020)
Keyphrases
- sparse coding
- palmprint recognition
- discriminative power
- sparse codes
- sparse representation
- unsupervised learning
- natural images
- dictionary learning
- image classification
- linear combination
- generative model
- image patches
- image representation
- discriminative dictionary
- visual words
- feature space
- feature extraction
- palmprint
- high dimensional
- maximum likelihood
- signal processing
- dimensionality reduction
- bag of words
- semi supervised
- motion estimation
- object recognition
- feature selection
- computer vision