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Robust rotation-invariant fingerprint image hashing using fast wavelet transform and fractal coding for noise filtering with minimal run-time. [PDF]
Sci RepDathan L, G S G N A.
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Research on Covert Communication in Satellite-Ground-Integrated Sensor Networks Based on FH-DL-MPWFRFT. [PDF]
Sensors (Basel)Ni L, Cai Y, Li X, Hu H, Chu Z, Qi Y.
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A polar Fourier geometric approach to volume-free single-particle 3D reconstruction. [PDF]
IUCrJVan CTS +4 more
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The discrete rotational Fourier transform
IEEE Transactions on Signal Processing, 1996We define a discrete version of the angular Fourier transform and present the properties of the transform that show it to be a rotation in time-frequency space, this new transform is a generalization of the DFT. Efficient algorithms for its computation can then be based on the FFT and the eigenstructure of the DFT.
J H McClellan
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The Fourier transform and the discrete Fourier transform
Inverse Problems, 1989This paper gives an error bound in computing the Fourier transform for a square summable function by means of the discrete Fourier transform. In detail description, the error bound depends on the number of samples, the interval where the samples are taken, the interval where the Fourier transform is being approximated, the local averaging in the time ...
Auslander, Louis, Grünbaum, F. Alberto
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Generalized discrete Fourier transforms: the discrete Fourier-Riccati-Bessel transform
Computer Physics Communications, 1995zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Stade, Eric, Layton, E. G.
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On commutativity of Discrete Fourier Transform
Information Processing Letters, 2015zbMATH Open Web Interface contents unavailable due to conflicting licenses.
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