Clustering-based natural image denoising using dictionary learning approach in wavelet domain.
Asem KhmagAbd. Rahman RamliNoraziahtulhidayu KamarudinPublished in: Soft Comput. (2019)
Keyphrases
- wavelet domain
- dictionary learning
- sparse representation
- sparse coding
- denoising
- wavelet coefficients
- spatial domain
- multiscale
- wavelet transform
- image denoising
- multiresolution
- human visual system
- natural images
- high frequency
- subband
- image processing
- frequency domain
- generative model
- co occurrence
- nearest neighbor
- denoising algorithm
- machine learning
- image patches
- visual quality
- image representation
- higher order
- image sequences
- computer vision