GeoErnest is coming back!

GeoErnest Response to “Ask Me Something: GNSS Lever Arm Estimation”

Hi, GeoErnest !

Thanks for the public platform you offer here!
I ‘ve got two questions. The first one is about lever arm calibration. Read more of this post

Happy New Year 2013!

Happy New Year 2013!

I’d like to wish you all good health, creativity, courage, and wealth in knowledge!

I hope GeoErnest will return soon!

GeoErnest Response to “Ask me Something” by Mulualem: Do Aerial Camera Self-Calibration, but be Smart

Hi Mulualem,

Should you use self-calibration? Yes! As with any calibration, you have to be extremely careful.

Self-calibration is necessary to model systematic image errors in your aerial camera. This would be focal length, principal point offsets, and the 12 or 44 parameters that describe systematic lens distortion effects. Read more of this post

Aerial Triangulation | Part 3: Using Direct Georeferencing for Assisted AT | GeoErnest

Aerial Triangulation | Part 3: Using Direct Georeferencing for Assisted AT | GeoErnest

Does this mean you use AT for all mapping situations? No it depends on your application, accuracy requirements, and whether you followed procedures. BUT every mapping company should have professional AT software.

Read more of this post

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