The Bioconductor list/repository will have lots of image processing stuff. -- Bert
On Wed, Jan 11, 2012 at 3:21 PM, Michael <comtech....@gmail.com> wrote: > Okay thanks guys! > > I was actually looking for image processing libraries in R. > > Specifically, I am looking for something like "filter2d" for > images(pixels)... > > (speed is not a concern for me, since my images are really small, 200x200, > etc.) > > And in fact, these are not images, these are 2d matrix numbers(i.e. numbers > in a matrix format), I just wanted to smooth them. > > Any more pointers? > > Thanks a lot! > > On Wed, Jan 11, 2012 at 5:18 PM, Bert Gunter <gunter.ber...@gene.com> wrote: >> >> ?loess ## in base R >> does 2d filtering , though it's not a Gaussian one >> >> -- Bert >> >> On Wed, Jan 11, 2012 at 3:00 PM, Rolf Turner <rolf.tur...@xtra.co.nz> >> wrote: >> > On 12/01/12 09:17, Michael wrote: >> >> >> >> Hi all, >> >> >> >> I am looking for a command for doing 2D filtering (rectangular or >> >> Gaussian) in R... >> >> >> >> I have looked at ksmooth, filter and convolve but they seem to be 1D... >> >> >> >> Any thoughts? >> >> >> >> Thanks a lot! >> > >> > >> > I'm not sure what you really need/want to do, but you might have a look >> > at "smooth.ppp" (and possibly "density.ppp") from the "spatstat" >> > package. >> > >> > cheers, >> > >> > Rolf Turner >> > >> > ______________________________________________ >> > R-help@r-project.org mailing list >> > https://stat.ethz.ch/mailman/listinfo/r-help >> > PLEASE do read the posting guide >> > http://www.R-project.org/posting-guide.html >> > and provide commented, minimal, self-contained, reproducible code. >> >> >> >> -- >> >> Bert Gunter >> Genentech Nonclinical Biostatistics >> >> Internal Contact Info: >> Phone: 467-7374 >> Website: >> >> http://pharmadevelopment.roche.com/index/pdb/pdb-functional-groups/pdb-biostatistics/pdb-ncb-home.htm > > -- Bert Gunter Genentech Nonclinical Biostatistics Internal Contact Info: Phone: 467-7374 Website: http://pharmadevelopment.roche.com/index/pdb/pdb-functional-groups/pdb-biostatistics/pdb-ncb-home.htm ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.