On 14/12/17 05:45, Vaclav Petras wrote:
Hi Moritz,

I'm currently at AGU

Enjoy ! :-)

and can't dig into the code, but yes, I think it can be rewritten with segment library, preferably with MarkusM's "segment or in-memory" wrapper.

Great ! Markus, is this wrapper in the library, or just in existing modules ? I know the version in the i.superpixels.slic addon and have some memory of you implementing it elsewhere.

Moritz




Vaclav

On Tue, Dec 12, 2017 at 10:51 AM, Moritz Lennert <[email protected] <mailto:[email protected]>> wrote:

    Hi Anna, Hi Vaclav,

    I would love to use the i.edge module. However, the fact that it
    reads everything into memory obviously limits its use either to
    small images, or to tiled versions of larger images.

    I have just rapidly looked at the code, but I cannot really detect
    any place where you really need the entire image, or ? The Gaussian
    filter could be cut off at a certain distance and the actual Canny
    detector is also based on a kernel, AFAICT. So, do you think this
    could be rewritten to use the SEGMENT library and at all times only
    load necessary parts of the image into memory ?

    Moritz



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