Details on Gaussian Smoothing http://homepages.inf.ed.ac.uk/rbf/HIPR2/gsmooth.htm
I have to implement a image smoother in a project I am working on and I have everything all worked out except window size. I am having a real issue with finding the proper window size. What is a general rule about it?
How do you pick a good window size for your gaussian smoothing algorithm to use?
The window size depends on the application but also on the standard deviation. For larger standard deviations you have to use larger windows. Otherwise, if you have a large standard deviation and a very small window size, than your filter becomes almost a mean filter. However, no need to have the window size larger than 6 times the standard deviation because furthermore the signal is almost 0.