[R] Image Processing packages

Kort, Eric Eric.Kort at vai.org
Thu Jan 26 20:39:10 CET 2006

Thomas Kaliwe wrote:
> Hi,
> I've been looking for Image Processing packages. Thresholding, Edge
> Filters, Dct, Segmentation, Restoration. I'm aware, that Octave,
> etc. would be a good address but then I'm missing the "statistical
> power"  of R. Does anybody know of packages, projects etc. Comments on
> wether the use of R for such matters is useful are welcome.

See also my package rtiff for reading tiff images.

I routinely do image analysis in R.  Yes, it is relatively slow compared
to dedicated solutions, but I like the smooth integration with the
associated statistical analysis and the ability to have a single script
that performs the image analysis and multiple files and subsequent
statistical analysis, and with modern computing equipment R is fast
enough for my purposes.  

I have a variety of standard image processing functions written in R,
but have yet to distribute them because most people choose not to
perform image analysis in R for the previously stated reasons.  

So in general I would agree that R is sub-optimal for image processing
(and this is certainly outside the realm of things R was intended to do
if I read the early mailing list archives correctly).  However, it can
be done and it might be desirable to do so from a work-flow perspective.


> Greetings
> Thomas Kaliwe
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