Research of an Improved Wavelet Threshold Denoising Method for Transformer Partial Discharge Signal.
Fucheng YouYing ZhangPublished in: J. Multim. (2013)
Keyphrases
- partial discharge
- denoising methods
- denoising
- high voltage
- image denoising
- noisy images
- denoising algorithm
- noise reduction
- self organizing maps
- wavelet packet
- wavelet denoising
- power transformers
- nonlocal means
- wavelet domain
- signal processing
- frequency domain
- image processing
- gaussian noise
- noise level
- wavelet coefficients
- neural network
- fault diagnosis
- natural images
- high resolution
- high frequency
- noise removal
- noise model
- pairwise
- wavelet packet transform
- non stationary
- failure diagnosis
- image segmentation
- motion estimation