Errm, forgot the link: https://gis.stackexchange.com/questions/664/whats-the-difference-between-a-projection-and-a-datum <https://gis.stackexchange.com/questions/664/whats-the-difference-between-a-projection-and-a-datum>
> On Jun 30, 2017, at 10:03, K.-Michael Aye <kmichael....@gmail.com> wrote: > > I don’t know your status of knowledge, so I apologize if I state the obvious. > > Your issue is that of the co-registration of images. > > You have to always decide what your “prime” or “truth” is. How was your “GIS” > data precisely located? How do you know it’s not that which is off? (Even so, > if you have “ground truth” measurements, they are usually more precisely > located than remote sensing data. > > Are the satellite images “map-projected” ? If so, against what ground truth > was that projection performed? What geographical coordinate system of Earth > was used for the map projection? > > This stackexchange might help. > > There are a bazillion books out there for that, don’t really have a > recommendation, mostly learned my stuff by internet searches. ;) > > HTH, > Michael > > >> On Jun 30, 2017, at 09:49, Vighnesh Birodkar <vighneshbirod...@gmail.com> >> wrote: >> >> Hello >> >> Has anyone here worked with satellite images before ? I am dealing with the >> problem of aligning satellite images to GIS data which can be off by upto >> 15pixels. Could someone point me to good literature to read on the topic ? >> >> Thanks >> Vighnesh >> _______________________________________________ >> scikit-image mailing list >> scikit-image@python.org >> https://mail.python.org/mailman/listinfo/scikit-image >
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