Lung sound signal denoising using discrete wavelet transform and artificial neural network.
Mozhde Firoozi PouyaniMansour ValiMohammad Amin GhasemiPublished in: Biomed. Signal Process. Control. (2022)
Keyphrases
- discrete wavelet transform
- denoising
- wavelet domain
- audio signal
- artificial neural networks
- high frequency
- frequency domain
- wavelet packet
- wavelet transform coefficients
- image denoising
- denoising methods
- subband
- low frequency
- natural images
- wavelet coefficients
- shift invariant
- noisy images
- wavelet decomposition
- dual tree
- denoising algorithm
- multiresolution
- dual tree discrete wavelet transform
- neural network
- digital watermarking
- image processing
- spatial domain
- phase information
- low pass
- haar wavelet transform
- jpeg compression
- multiscale
- lifting scheme
- filter bank
- sound source
- image fusion
- complex wavelet transform
- gaussian noise
- wavelet filters
- impulse response
- feature vectors
- visual quality
- watermarking algorithm
- wavelet transform
- image analysis
- signal processing
- computer vision
- ecg signals