Wavelet-based denoising method for real phonocardiography signal recorded by mobile devices in noisy environment.
Dawid GradolewskiGrzegorz RedlarskiPublished in: Comput. Biol. Medicine (2014)
Keyphrases
- denoising methods
- noisy environments
- noise reduction
- mobile devices
- denoising
- image denoising
- noisy images
- locally adaptive
- denoising algorithm
- background noise
- signal to noise ratio
- nonlocal means
- wavelet packet
- edge detection
- noise removal
- speech recognition
- wavelet denoising
- speech signal
- wavelet domain
- wavelet transform
- wiener filter
- image processing
- noise level
- high frequency
- noise model
- face recognition
- frequency domain
- signal processing
- multiresolution
- pattern recognition