Author Topic: Chad's image #4 - manual 3D analysis  (Read 13190 times)

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Offline leviathan

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Re: Chad's image #4 - manual 3D analysis
« Reply #15 on: June 06, 2008, 07:35:54 PM »
This size would also help explain the lettering for me.  With the idea of a fairly small size, I always had a hard time with so much lettering.  Now it makes more sense.  Think of the lettering on large military devices.
My guess is that no one who produced a model, thought they were this size.  This shows a lot in itself.
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Offline nekitamo

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Re: Chad's image #4 - manual 3D analysis
« Reply #16 on: June 17, 2008, 04:23:25 PM »
Just found this great tool that corrects "lens pincushion/barrel distortion, vignetting, chromatic aberration, and perspective" by using a camera database for calibration:

http://epaperpress.com/ptlens/index.html

I wish I knew about this before, as the camera used for taking the calibration image used in my calculations is also supported. However, the corrected results differ only marginally (~ -1%) as only one reference point seems to be affected:



Offline Arkhangels

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Re: Chad's image #4 - manual 3D analysis
« Reply #17 on: July 01, 2008, 12:12:48 AM »
WOW!!

This is by far the best measurements analysis I've ever seen regarding the drones!!
Wonderful piece of work nekitamo!
Regarding the picture comparing the drone size to the human size, I have to say that first I thought the drone some meters small than that ;D
But, for the level of complexity (including the lettering), this size would do well IMO

Regards
Ark

Whoooooo