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Discrete two dimensional Fourier transform in polar coordinates part II: numerical computation and approximation of the continuous transform.
Xueyang Yao
Natalie Baddour
Published in:
PeerJ Comput. Sci. (2020)
Keyphrases
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polar coordinates
fourier transform
orthogonal moments
hartley transform
discrete fourier transform
frequency domain
three dimensional
signal processing
radon transform
fast fourier transform
fourier descriptors
rotation invariance
neural network
spatial domain
image quality
log polar
feature extraction