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Computation time significantly differs for 2D, 3D array indexing when solving the same problem. Best approach to address performance?
I wrote a simple code that calculates the covariance of images along different directions and lag spacings and returns a 2D map ...
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Fourier Transform: Inverse FFT of Positive Definite Power Spectrum Not Giving Positive Definite Function
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Fourier Transform: IFFT Not Giving Original Image -- All Values Off By Same Constant
I am attempting to write a 2D FFT "round trip" algorithm for a real-valued, symmetric Covariance function (hence, why there is n...
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