Comparison of fetal phonocardiography de-noising by wavelet transform and the FIR filter.
Rene JarosRadek MartinekRadana KahankovaJan VanusMarcel FajkusJan NedomaPublished in: HealthCom (2018)
Keyphrases
- wavelet transform
- fir filters
- denoising
- soft threshold
- wavelet domain
- wavelet filters
- translation invariant
- subband
- image coding
- lifting scheme
- multiresolution
- wavelet coefficients
- filter bank
- filter coefficients
- finite impulse response
- wavelet packet
- image compression
- multiscale
- feature extraction
- wavelet decomposition
- image processing
- noisy images
- image denoising
- high frequency
- frequency response
- low frequency
- wavelet analysis
- natural images
- ultrasound images
- filter design
- perfect reconstruction
- frequency domain
- image analysis