Adaptive convolutional dictionary learning for denoising seismocardiogram to enhance the classification performance of aortic stenosis.
Bowen XuFangfang JiangZiyu ZhuHaobo MengLisheng XuPublished in: Comput. Biol. Medicine (2024)
Keyphrases
- dictionary learning
- sparse coding
- denoising
- sparse representation
- object category recognition
- natural images
- image classification
- group sparsity
- linear combination
- image denoising
- feature space
- pattern recognition
- unsupervised learning
- generative model
- image patches
- total variation
- small number
- wavelet packet
- sparse codes
- image representation
- decision trees
- visual words
- dimensionality reduction