Re: [GRASS-dev] i.segment gives different results in G72 and G73

On 07/12/16 12:13, Martin Landa wrote: Hi, 2016-12-07 12:11 GMT+01:00 Markus Metz : OK. Figuring out a reasonable threshold based on small sample regions is IMHO of general interest for i.segment, because you would expect similar results when you increase the

Re: [GRASS-dev] i.segment gives different results in G72 and G73

Hi, 2016-12-07 12:11 GMT+01:00 Markus Metz : > OK. Figuring out a reasonable threshold based on small sample regions is > IMHO of general interest for i.segment, because you would expect similar > results when you increase the region. Therefore I think the behaviour

Re: [GRASS-dev] i.segment gives different results in G72 and G73

On Wed, Dec 7, 2016 at 11:27 AM, Moritz Lennert < mlenn...@club.worldonline.be> wrote: > > On 05/12/16 21:06, Moritz Lennert wrote: >> >> On 05/12/16 14:52, Markus Metz wrote: >>> >>> >>> >>> On Mon, Dec 5, 2016 at 1:46 PM, Martin Landa >> >

Re: [GRASS-dev] i.segment gives different results in G72 and G73

On 05/12/16 21:06, Moritz Lennert wrote: On 05/12/16 14:52, Markus Metz wrote: On Mon, Dec 5, 2016 at 1:46 PM, Martin Landa > wrote: Hi, 2016-12-05 9:09 GMT+01:00 Moritz Lennert

Re: [GRASS-dev] i.segment gives different results in G72 and G73

On Mon, Dec 5, 2016 at 10:56 PM, Markus Metz wrote: > > > On Mon, Dec 5, 2016 at 3:01 PM, Martin Landa wrote: > > > > Hi, > > > > 2016-12-05 15:00 GMT+01:00 Markus Metz : > > > It's very technical and explains

Re: [GRASS-dev] i.segment gives different results in G72 and G73

On Mon, Dec 5, 2016 at 3:01 PM, Martin Landa wrote: > > Hi, > > 2016-12-05 15:00 GMT+01:00 Markus Metz : > > It's very technical and explains differences between versions. I am not sure > > if this should go into the user manual. The concept

Re: [GRASS-dev] i.segment gives different results in G72 and G73

On 05/12/16 14:52, Markus Metz wrote: On Mon, Dec 5, 2016 at 1:46 PM, Martin Landa > wrote: Hi, 2016-12-05 9:09 GMT+01:00 Moritz Lennert >: > What colleagues here have also

Re: [GRASS-dev] i.segment gives different results in G72 and G73

Hi, 2016-12-05 15:00 GMT+01:00 Markus Metz : > It's very technical and explains differences between versions. I am not sure > if this should go into the user manual. The concept of region growing is the > same. probably could be useful at least to explain that

Re: [GRASS-dev] i.segment gives different results in G72 and G73

On Mon, Dec 5, 2016 at 1:36 PM, Martin Landa wrote: > > Hi, > > 2016-12-05 8:54 GMT+01:00 Markus Metz : > > > Both versions use the same method by default. However, the G73 version of > > region growing in i.segment has been modified, it is

Re: [GRASS-dev] i.segment gives different results in G72 and G73

On Mon, Dec 5, 2016 at 1:46 PM, Martin Landa wrote: > > Hi, > > 2016-12-05 9:09 GMT+01:00 Moritz Lennert : > > What colleagues here have also noticed is that between the versions (but I can't remember if it was 7.0 vs 7.3 or 7.2 vs 7.3) quite

Re: [GRASS-dev] i.segment gives different results in G72 and G73

Hi, 2016-12-05 9:09 GMT+01:00 Moritz Lennert : > What colleagues here have also noticed is that between the versions (but I > can't remember if it was 7.0 vs 7.3 or 7.2 vs 7.3) quite different thresholds > were needed to reach similar segmentation results. In 7.3

Re: [GRASS-dev] i.segment gives different results in G72 and G73

Hi, 2016-12-05 8:54 GMT+01:00 Markus Metz : > Both versions use the same method by default. However, the G73 version of > region growing in i.segment has been modified, it is now faster for larger > objects (larger thresholds). A side effect is that objects might

Re: [GRASS-dev] i.segment gives different results in G72 and G73

On Sun, Dec 4, 2016 at 9:56 AM, Martin Landa wrote: > > Running `i.segment` on the same data in G72 and G73 gives different > results. Both commands should use the same method - G72 supports only > 'region growing', G73 has this method as default one. Both versions use