Changes between Version 6 and Version 7 of Examples/Fft2dHighpass

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Timestamp:
05/07/10 09:05:56 (4 years ago)
Author:
benl (IP: 129.94.242.38)
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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