Differences in volume calculation from photogrammetry

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Flexican
Posts: 2
Joined: 25 Mar 2021, 08:39

Differences in volume calculation from photogrammetry

Post by Flexican »

Hi,

Untill today I have always been using Global Mapper to calculate volumes from my photogrammetry measurements.
Since there are a lot of software packages that can do this, I wanted to see the differences in results.
So, I downloaded some other software demo's to make a comparison. To my surprise there is quiet some difference in the results..
I understand that the calculations are not the same. But how can I know which software is the most accurate?

Thanks!
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OBNRacerMan
Posts: 306
Joined: 12 Aug 2019, 09:46
Location: Obninsk, Russia

Re: Differences in volume calculation from photogrammetry

Post by OBNRacerMan »

I think the easiest way to determine this is to try using a "test" object, the size of which is known in advance ... and see what different programs show.
Soft: RangeVision DIY, Calibration panel/Rotary tables - RangeVision, Prj: LG PF1500G, Cam: Daheng Mercury MER-630-60U3M-L (USB3.0, monochrome) x2, Obj: ZLKC HM1628MP10 (F2.8, 10Mp, 16mm) x2 & Azure 3518M3M (F1.8, 3Mp, 35mm).
Flexican
Posts: 2
Joined: 25 Mar 2021, 08:39

Re: Differences in volume calculation from photogrammetry

Post by Flexican »

Thanks for the tip, I will try that.
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