Greetings I have just received a task to Orthorectify very-high resolution images. I know that GRASS (LINUX) performs this (I have never tested) but my question is more "basic" and elementar: Does anyone has a link or a document that explains: 1- Required preprocessing before Orthorectification 2- How to do a Orthorectification 3- Relation between Error and DEM spatial resolution
Thanks Kat
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