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Drone2Map Ortho se nespojuje správně

StormwaterAdmin

Ahoj!<\/P>

Snažím se vytvořit ortomosaiku městské oblasti a mám problém s tím, že se obrázky nespojují správně. Použil jsem Drone2Map (standardní licence) na několika projektech a toto je poprvé, co se setkávám s tímto problémem. <\/P>

Zkoušel jsem použít jak metody ortorektifikace "None", tak "Sparse Point Cloud" a žádná z nich nepřinesla požadované výsledky.<\/P>

Jakákoli rada by byla velmi oceněna!<\/P>

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Accepted answers

MarkBarker1

Hi @StormwaterAdmin,

One the first things that stands out is the ground control that you are using. It looks like you are getting some pretty high residual values which can negatively affect the adjustment and output quality. Have you processed without these control points and do you see the same seamline issues?

Additionally, are you on the latest version of Drone2Map? (2023.2.2)

If not, then I would highly recommend you update as we have done some significant improvements to orthomosaic generation. Specifically, True Ortho products are now the default for both Standard and Advanced licenses. https://doc.arcgis.com/en/drone2map/2023.1/get-started/whats-new.htm#ESRI_SECTION1_7E15549EFB7E47C3B441C95A47836E7E

Please test processing the flight on the latest version and let me know if you are still seeing these issues.

Regards,

Mark

All comments

GordonSumerling

@StormwaterAdmin SOme questions for you based on your covergae.

1) When you flew the area dis you have at least 70% image covergae?

2) What type of flight pattern dod you fly? Area Survey, CrossHatch, Random?

3) Can you show a screen capture of your flight pattern

4) for the stitching method you should use higher density point clouds if oyu have sparce image coverage, as it is this characteristic that D2M uses to tie image points together

Cheers

Gordon

StormwaterAdmin

I used DJI GS Pro photomap with a 80% front and 70% side overlap. I have attached a photo of my flight pattern.

Thank you!

flightpattern (2).png

MarkBarker1

Hi @StormwaterAdmin,

Would mind sharing the processing report from the project?

Thanks,

Mark

Here you go!

Additionally, are you on the latest version of Drone2Map? (2023.2.2)

Regards,

Mark

StormwaterAdmin

I updated to the latest version and the ortho is looking much better! Thanks for the help.

MarkBarker1

Glad to hear! Happy to help

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