[GRASS-user] help on imge registration

[Markus Neteler]

Luigi,

you are right, I was confused: we have two modules.
I have added them now to the GRASS Addons SVN and updated
the links at
  http://grass.gdf-hannover.de/wiki/Image_processing#Geocoding

The i.homography appears to be based still on GRASS 5 (so updated needed).
The MSc theses (laurea) are probably available from University of Trento
or maybe we have the PDF files (write me offlist if you are interested).

Hope this (somewhat) helps,
Markus


Luigi Calori wrote:
> 
> Markus Neteler wrote:
> 
>> ----
>>
>>Yes. They have been integrated into i.points.auto:
>>http://grass.gdf-hannover.de/wiki/Image_processing
>>-> download link
>>
>>Note that the code needs an update to GRASS 6 (most is
>>based on 2 master theses at ITC-irst).
>>  
>>
> Thanks for the hint, I downloaded it, got grass 6.2.2 src, compiled on
> my kubuntu and got it working.
> I was able to specify matching lines and the module added some lines
> to point list file in the image group   with a new tag (2?) instead of 1.
> 
> My question is, how I use this info? Do I need another module like
> i.homography (that I did not find out?) or is the standard module
> i.rectify able to compute and apply the homographies using these special
> format lines?
> 
> I also tried to use the semi automatic and automatic match poitns
> feature but I did not understand how to use it.
> Is this sw the same as referred in the article
> 
> http://gisws.media.osaka-cu.ac.jp/grass04/viewpaper.php?id=37
> 
> or something different?
> 
> Thanks again
>                 Luigi
> 
> 
> 
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