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CAF-FrFT: A center-affine-filter with fractional Fourier transform to reduce the cross-terms of Wigner distribution.
Liying Zheng
Daming Shi
Jing Zhang
Published in:
Signal Process. (2014)
Keyphrases
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fractional fourier transform
log polar
wigner distribution
fourth order
object recognition
image registration
template matching
noise reduction
noise removal
image processing
spatial domain
space variant
spatial frequency