Signal denoising using hybrid slantlet transform based energy detector in cognitive radios.
Hussien Al-HmoodHamed S. Al-RaweshidyPublished in: Wireless Days (2013)
Keyphrases
- denoising
- frequency domain
- wavelet packet
- image denoising
- wavelet based denoising
- denoising methods
- energy distribution
- soft threshold
- wiener filter
- additive gaussian noise
- total variation
- image processing
- noisy images
- nonlinear filtering
- denoising algorithm
- signal processing
- matched filter
- wavelet domain
- wavelet packet transform
- bandpass
- original signal
- gaussian white noise
- energy consumption
- noise removal
- hard thresholding
- information processing
- cognitive processes
- natural images
- energy minimization
- cognitive science
- compressive sensing
- spatially adaptive
- non stationary
- multiscale
- wavelet denoising
- basis pursuit
- subband
- decision making
- detection algorithm
- high frequency
- source separation
- low power
- cognitive radio
- image segmentation