Oversampling Technique for Obtaining Higher Order Derivative of Low-Frequency Signals.
Li TanLiangmo WangPublished in: IEEE Trans. Instrum. Meas. (2011)
Keyphrases
- low frequency
- higher order
- high frequency
- frequency domain
- wavelet transform
- frequency band
- wavelet analysis
- subband
- signal processing
- natural images
- wavelet coefficients
- spatial frequency
- markov random field
- visual quality
- electromagnetic fields
- discrete wavelet transform
- low pass
- spatial domain
- contourlet transform
- original images
- high frequency components
- fusion rules
- pairwise
- dct domain
- class imbalance
- high resolution
- image reconstruction
- multiresolution
- computer vision
- low and high frequency