Changes between Version 6 and Version 7 of Examples/Fft2dHighpass


Ignore:
Timestamp:
May 7, 2010, 8:05:56 AM (14 years ago)
Author:
Ben Lippmeier
Comment:

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  • Examples/Fft2dHighpass

    v6 v7  
    1 == fft2d-highpass ==
     1= fft2d-highpass =
    22
    33Applies a highpass filter to a BMP image, using a [http://en.wikipedia.org/wiki/Fast_fourier_transform Fast Fourier Transform]. The first argument is the lower cutoff frequency.
    … …  
    99}}}
    1010
    11 === Code ===
     11== Code ==
    1212
    1313The main algorithm is at http://code.haskell.org/repa/repa-stable/repa-algorithms/Data/Array/Repa/Algorithms/FFT.hs
    … …  
    1515The wrapper is at http://code.haskell.org/repa/repa-stable/repa-examples/FFT/src/HighPass/Main.hs
    1616
    17 === Test Data ===
     17== Test Data ==
    1818[http://en.wikipedia.org/wiki/Lenna http://en.wikipedia.org/wiki/Lenna] is a standard test image.
    1919
    … …  
    2222|| [http://code.haskell.org/repa/wiki/images/lena.bmp full size] || [http://code.haskell.org/repa/wiki/images/lena-high2.bmp full size] ||
    2323
    24 === Runtime ===
     24== Runtime ==
    2525Compiled with GHC 6.13.20100309. 512x512 image.
    2626