On the Low-Frequency Electromagnetic Responses of In-Line Metal Detectors to Metal Contaminants.
Yifei ZhaoWuliang YinChristos KtistisDaren ButterworthAnthony J. PeytonPublished in: IEEE Trans. Instrum. Meas. (2014)
Keyphrases
- low frequency
- high frequency
- wavelet transform
- electromagnetic fields
- subband
- high resolution
- electromagnetic field
- discrete wavelet transform
- original images
- frequency domain
- frequency band
- wavelet analysis
- multiresolution
- object detection
- wavelet domain
- subband decomposition
- contourlet transform
- image segmentation
- face recognition