Sparse coding classification and cepstral singular value for cognitive workload estimation.
Peyvand GhaderyanAtaollah AbbasiPublished in: Comput. Electr. Eng. (2021)
Keyphrases
- sparse coding
- dictionary learning
- image classification
- object category recognition
- singular values
- unsupervised learning
- sparse representation
- feature space
- natural images
- linear combination
- feature extraction
- singular value decomposition
- feature selection
- generative model
- feature vectors
- visual words
- high dimensional
- model selection
- training set
- pattern recognition
- image representation
- machine learning
- object recognition
- neural network
- denoising
- prior knowledge