The power of despeckle-median filters: Image examples
francois.chaplais at mines-paristech.fr
Thu Aug 26 15:11:36 CDT 2010
Did you use integer or floating points for this? And I how did you implement convolution (FFT?)?
I would like to implement a simple wavelet processing demo on the web using iRev.
Le 26 août 2010 à 12:48, Wilhelm Sanke a écrit :
> For those few on the list that are interested in image processing I have put together a web page demonstrating the effects of "pre-processing" images with despeckle-median filters before applying convolve-matrix filters:
> <http://www.sanke.org/MetaMedia/despeckle filters.htm>
> Using two images - "St. Remy: Van Gogh's Grove" and "Steve Jobs, the iPhone, and Medwedew"- I compare the application of three convolve-matrix filters to the pre-processed and un-preprocessed images.
> Seems that such combinations of filters can bring out details not to be seen in the original image - see the reflections on the iPhone surface - and also character traits of persons otherwise not immediately detectable.
> Wilhelm Sanke
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