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[37] | 1 | function Y = ifft2(X) |
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| 2 | % IFFT2 Discrete Quaternion Fourier transform. |
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| 3 | % (Quaternion overloading of standard Matlab function, but only one parameter.) |
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| 4 | % (The parameters m and n of the standard function are not yet implemented.) |
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| 5 | % |
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| 6 | % This function implements a default quaternion inverse 2D-FFT. See the related |
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| 7 | % function IQFFT2, which implements inverse transforms with left or right |
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| 8 | % exponentials and a user-specified axis. |
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| 9 | |
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| 10 | % Copyright © 2005 Stephen J. Sangwine and Nicolas Le Bihan. |
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| 11 | % See the file : Copyright.m for further details. |
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| 12 | |
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| 13 | % Implementation note: keeping IQFFT2 separate means that the quaternion-specific |
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| 14 | % parameters (axis and left/right) are kept separate from the Matlab standard |
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| 15 | % parameters (n and m) which might be added here at a later date. |
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| 16 | |
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| 17 | error(nargchk(1, 1, nargin)), error(nargoutchk(0, 1, nargout)) |
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| 18 | |
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| 19 | Y = iqfft2(X, dft_axis(isreal(X)), 'L'); |
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