Sparse PCA via hard thresholding for blind source separation.
Ming-Chun WuKwang-Cheng ChenPublished in: ICASSP (2016)
Keyphrases
- blind source separation
- sparse pca
- hard thresholding
- denoising
- independent component analysis
- principal component analysis
- image denoising
- wavelet coefficients
- non stationary
- gaussian noise
- feature selection
- negative matrix factorization
- natural images
- image processing
- noisy images
- factor analysis
- total variation
- wavelet domain
- speech signal
- independent components
- sparse representation
- wavelet transform
- frequency domain
- image restoration
- feature space
- signal processing
- multiresolution
- object recognition