Reducing covariate factors of gait recognition using feature selection and dictionary-based sparse coding.
Munif AlotaibiAusif MahmoodPublished in: Signal Image Video Process. (2017)
Keyphrases
- sparse coding
- feature selection
- unsupervised learning
- feature space
- dictionary learning
- selected features
- natural images
- sparse representation
- linear combination
- image classification
- discriminative power
- generative model
- image representation
- image patches
- feature set
- single image super resolution
- visual words
- machine learning
- object category recognition
- dimensionality reduction
- multi task
- feature subset
- multi class
- text classification
- signal processing
- supervised learning
- feature extraction
- unsupervised feature selection
- sparse codes
- semi supervised
- multiscale
- spatial information