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Corey Hoydic


Last seen: 7 months ago |  Active since 2020

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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 ...

8 months ago | 1 answer | 1

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Fourier Transform: Inverse FFT of Positive Definite Power Spectrum Not Giving Positive Definite Function
Hello there, I am attempting to write a Fourier transform "round trip" in 2D to obtain a real, positive definite covariance fun...

5 years ago | 0 answers | 0

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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...

5 years ago | 1 answer | 0

1

answer