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Quadrature direct digital frequency synthesizers using interpolation-based angle rotation.
Yongchul Song
Beomsup Kim
Published in:
IEEE Trans. Very Large Scale Integr. Syst. (2004)
Keyphrases
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band limited
rotation invariant
rotation angle
fourier domain
interpolation methods
image interpolation
metadata
object orientation
digital content
low frequency
fourier transform
feature vectors
invariant features
frequency band
log polar
texture analysis
image reconstruction
data sets