Phonocardiogram Signal Denoising Based on Nonnegative Matrix Factorization and Adaptive Contour Representation Computation.
Duong-Hung PhamSylvain MeignenNafissa DiaJulie Fontecave JallonBertrand RivetPublished in: IEEE Signal Process. Lett. (2018)
Keyphrases
- nonnegative matrix factorization
- denoising
- probabilistic latent semantic indexing
- nonnegative matrix
- sparsity constraints
- data representation
- matrix factorization
- least squares
- wavelet packet
- negative matrix factorization
- image denoising
- denoising methods
- signal processing
- image processing
- data analysis
- spectral clustering
- data sets
- natural images
- principal component analysis
- semi supervised
- digital libraries
- pattern recognition