Arrhythmia detection based on the reduced features with K-SVD sparse coding algorithm.
Fatemeh ShahsavaniReza NasiripourReza ShakeriAlireza GholamrezaeePublished in: Multim. Tools Appl. (2023)
Keyphrases
- sparse coding
- sparse representation
- dictionary learning
- reconstruction error
- linear combination
- learning algorithm
- discriminative power
- probabilistic model
- object detection
- co occurrence
- unsupervised learning
- sparse coefficients
- data sets
- single image super resolution
- natural images
- expectation maximization
- maximum likelihood
- image classification
- k means
- feature space
- similarity measure