Some practical applications Jos Stam's classic fluid dynamics paper that uses fourier transforms
http://www.dgp.toronto.edu/people/stam/reality/Research/pdf/jgt01.pdf FFTs applied to images http://www.cs.unm.edu/~brayer/vision/fourier.html People create noise textures in FFTs, or analyze noise via FFTs There's also the classic spectrum visualization that is also dependent on FFTs Jens Lindgren has a very interesting application of FFTs too. Jens? The classic 'low-cut' or high-pass filters in photoshop are also applications of ffts On 28 April 2013 15:59, olivier jeannel <[email protected]> wrote: > Helps a bit, thank's ;) > > Le 28/04/2013 14:47, Eric Turman a écrit : > > The internet is full of information...but its not always comprehensible. > For example: wikipedia brings up as nearly a technical explanation (in a > concise form ;P ) as the fftw.org > > FFT is used with periodic waveform interaction to tease out values > --decompose into sine components. (I hope that I'm not mangling the meaning > by trying to cram it down into one sentence) This link does a better job at > explaining it: > http://www.earlevel.com/main/2002/08/31/a-gentle-introduction-to-the-fft/ > > There are so many uses for FFT. It is a valuable (arguably critical) > tool for all sorts of signal processing ranging from noise filtering to 3D > tracking. But perhaps a more immediate and practical application of it in > the 3D world is its facilitation of the deformation calculation of Amaan's > aaocean polygonal surface http://www.amaanakram.com/?page_id=131 > > I hope this helps :) > > Cheers, > -=Eric > > > -- 3D Artist/TD @ The Mill, London http://www.amaanakram.com
