Multimodal Sparse Representation for Anomaly Classification in A Robot Introspection System.
Hongmin WuDong LiuShuangda DuanYisheng GuanJuan RojasPublished in: ROBIO (2018)
Keyphrases
- sparse representation
- dictionary learning
- image classification
- sparse coding
- decision trees
- image patches
- pattern recognition
- compressive sensing
- compressed sensing
- signal processing
- face recognition
- machine learning
- regularized least squares
- random projections
- sparse reconstruction
- feature extraction
- feature selection
- piecewise smooth
- sparse approximations
- reconstruction error
- text classification
- dimensionality reduction
- feature vectors
- image representation
- unsupervised learning
- model selection
- negative matrix factorization
- high dimensional data
- support vector machine
- joint optimization
- training set
- feature space
- sparse codes
- image features
- image processing
- sparse coefficients
- dimension reduction
- test images