Dictionary learning for VQ feature extraction in ECG beats classification.
Tong LiuYujuan SiDunwei WenMujun ZangLiuqi LangPublished in: Expert Syst. Appl. (2016)
Keyphrases
- dictionary learning
- feature extraction
- sparse representation
- sparse coding
- object category recognition
- image classification
- pattern recognition
- vector quantization
- image super resolution
- support vector machine svm
- sparse codes
- data sets
- group sparsity
- image compression
- text classification
- feature space
- machine learning
- principal component analysis
- feature vectors
- feature selection
- dictionary learning for sparse
- extracted features
- image representation
- natural images
- decision trees