Wavelet Transform Technique for Denoising of UHF PD Signals in GIS.
S. Raghunath SagarJ. AmarnathS. V. L. NarasimhamPublished in: ICIIS (2008)
Keyphrases
- denoising
- soft threshold
- wavelet transform
- geographic information systems
- vibration signal
- translation invariant
- wavelet domain
- image denoising
- noisy images
- image processing
- gaussian white noise
- total variation
- natural images
- image coding
- wavelet packet
- denoising algorithm
- remote sensing
- power quality disturbance
- multiscale
- signal processing
- multiresolution
- higher peak signal to noise ratio
- undecimated wavelet transform
- ultra high
- spatially adaptive
- geographical information systems
- frequency domain
- image compression
- wavelet coefficients
- spatial data
- dual tree
- gaussian noise
- spatial reasoning
- denoising methods
- spatial databases
- geographic information
- low frequency
- wavelet bases
- computer vision
- wavelet analysis
- multiresolution analysis
- noise model
- road network