Re: [R] Image Processing packages

From: Kort, Eric <Eric.Kort_at_vai.org>
Date: Fri 27 Jan 2006 - 06:39:10 EST


Thomas Kaliwe wrote:
> Hi,
>
> I've been looking for Image Processing packages. Thresholding, Edge
> Filters, Dct, Segmentation, Restoration. I'm aware, that Octave,
Matlab
> 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.

-Eric

> Greetings
>
> Thomas Kaliwe

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