Wavelet transform with spectral post-processing for enhanced feature extraction [machine condition monitoring].
Changting WangRobert X. GaoPublished in: IEEE Trans. Instrum. Meas. (2003)
Keyphrases
- post processing
- condition monitoring
- wavelet transform
- vibration signal
- feature extraction
- preprocessing
- fault diagnosis
- fault detection
- multiresolution
- wavelet coefficients
- image compression
- subband
- multiscale
- acoustic emission
- power transformers
- high frequency
- nuclear power plant
- wavelet analysis
- feature selection
- frequency domain
- feature vectors
- low frequency
- projections onto convex sets
- filtering method
- data mining process
- image processing
- feature space
- higher resolution
- extracted features
- human experts
- decision support system
- high resolution
- face recognition
- shape error concealment