[GRASS-user] Using GRASS to ortho-rectify satellite imagery

[Mike Willis]

>>Hi can anyone quickly tell me if it is possible to orthorectify
>>satellite imagery using GRASS?
>>
>>Cheers!
>>
>>Mike Willis

>what about i.rectify - Rectifies an image by computing a coordinate transformation for each pixel in the >image based on the control points. ?
>
>http://grass.osgeo.org/grass64/manuals/html64_user/i.rectify.html
>
>best regards
>helli

Maybe - but my real purpose is to remove distortions caused by
topography. Plain rectification will not achieve that. I looked at
orthophoto but a camera model is required (air photos). I am needing
to do satellite images (usually, but not always ASTER).

Mike