ECG denoising algorithm based on group sparsity and singular spectrum analysis.
Nasser MouradPublished in: Biomed. Signal Process. Control. (2019)
Keyphrases
- denoising algorithm
- group sparsity
- denoising
- sparse coding
- natural images
- image denoising
- noise level
- noisy images
- noise reduction
- wavelet coefficients
- sparse representation
- multiscale
- input image
- image patches
- image processing
- signal processing
- edge detection
- unsupervised learning
- higher order
- gaussian noise
- generative model
- object recognition
- objective function
- similarity measure
- machine learning