Discriminative sparse coding of ECG during ventricular arrhythmias using LC-K-SVD approach.
Iman KalajiKrishnanand BalasundaramKarthikeyan UmapathyPublished in: EMBC (2015)
Keyphrases
- sparse coding
- sparse codes
- discriminative power
- heart rate variability
- ecg signals
- dictionary learning
- object category recognition
- sparse representation
- natural images
- discriminative dictionary
- image classification
- unsupervised learning
- linear combination
- image patches
- generative model
- image representation
- feature space
- signal processing
- linear classifiers
- visual words
- visual recognition
- high dimensional
- supervised learning
- input image
- person re identification
- data analysis
- face recognition