Heart biometrics based on ECG signal by sparse coding and bidirectional long short-term memory.
Yefei ZhangZhidong ZhaoYanjun DengXiaohong ZhangYu ZhangPublished in: Multim. Tools Appl. (2021)
Keyphrases
- sparse coding
- ecg signals
- atrial fibrillation
- mit bih arrhythmia database
- beat classification
- natural images
- dictionary learning
- sparse representation
- linear combination
- unsupervised learning
- image classification
- generative model
- discriminative power
- recurrent neural networks
- image representation
- pattern recognition
- visual words
- high dimensional
- feature space
- image patches
- sparse codes
- heart rate variability
- heart rate
- higher order
- language model
- small number
- face recognition
- object recognition
- signal processing
- palmprint
- nearest neighbor
- input image
- image processing