Double-Norm Constrained Image Denoising Algorithm Based on Dictionary Learning Sparsity and FCM Structure Clustering.
Changpeng JiLina HeWei DaiPublished in: IEEE Access (2022)
Keyphrases
- denoising algorithm
- dictionary learning
- denoising
- sparse representation
- image denoising
- clustering algorithm
- input image
- image data
- noisy images
- sparse coding
- test images
- image classification
- image representation
- noise model
- noise level
- natural images
- image segmentation
- multiscale
- k means
- image features
- cone beam computed tomography
- image retrieval
- noise reduction
- wavelet coefficients
- transform domain
- high resolution
- image regions
- computer vision
- signal processing
- image reconstruction
- feature vectors
- gaussian noise
- unsupervised learning