Changes between Initial Version and Version 1 of Examples/Fft2dHighpass
- Timestamp:
- May 7, 2010, 6:52:17 AM (15 years ago)
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Examples/Fft2dHighpass
v1 v1 1 == fft2d-highpass == 2 3 Applies a highpass filter to a BMP image, using a Fast Fourier Transform. The first argument is the lower cutoff frequency. 4 5 {{{ 6 repa-fft2d-highpass 2 lena.bmp lena-high2.bmp 7 }}} 8 9 10 === Test Data === 11 12 `lena.bmp` is a standard test image. See [http://en.wikipedia.org/wiki/Lenna http://en.wikipedia.org/wiki/Lenna] 13 14 || lena.bmp || lena-high2.bmp || 15