During the recent OSGeo Code Sprint hosted at the University of Minnesota, we had the opportunity to learn more about the university’s effort to preserve some historical archives of aerial imagery. We put our eyes on an old 1940 dataset of Hennepin County, Minnesota. The images are overlapping by about 20-30%. There’s also paper tears in many of the scans. We had never tried this before. Would it be good enough for ODM to process? We had to find out. […]
Take a deep breath

