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Comment corriger la calibration de l'image ?

AaronWorthley1

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Je teste Drone2Map pour la première fois avec des images d'un DJI phantom. Je constate que seule une partie de ma zone de mission est traitée, ce qui semble être dû au fait que seule une sélection des images a été calibrée... Il n'est pas clair pour moi ce qu'il faut faire pour résoudre ce problème ? Le traitement des mêmes images via le service Maps Made Easy donne un orthomosaïque avec une couverture complète. Dans le rapport de traitement de Drone2Map, je vois : "31 sur 50 images calibrées (62 %), toutes les images activées". Des idées sur ce qu'il faut faire différemment ?<\/P><\/BODY><\/HTML>

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MatthewKing

I would like to know this too....but it looks like there won't be an answer.

I get the following error message: "Processing Failed: No Blocks Computed No Calibrated Cameras"

I have no idea what that means.

AnthonyMason

This is typically caused by poor image quality (blurry or lack of texture) or insufficient overlap between the images.

If you are able to share the images, I am happy to have a look and help figure out what is happening.

Thanks

Tony

KalvanHone

I just ran into the same issue. Only 3 images of a rooftop taken manually with DJI P4 and guessing 50% overlap approximate. Let me know where to send the images because I can't find a tool to upload them here.

KalvanHone

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KellyPilarski

We have been having this issue as well. We are fly with a 80 by 80 percent overlap at 300 feet with a Inspire 2. Our issue comes in mainly when we fly over forested areas.

I can not see a difference in image quality between the photos that work, and the ones that do not calibrate.

Image that does not calibrate Image that does calibrate

AnthonyMason

Kelly,

Try to change the calibration method in the processing options to Alternative.

Processing options—Drone2Map for ArcGIS Help | ArcGIS

This is the preferred method when your images are homogeneous and lack the necessary features to generate key points and matches.

Additionally use the 2D Mapping template when creating the project to make sure you are generating enough keypoints.

Thanks

Tony

GaryBabb

I have the same issue but with XT2 RGB dataset. There is nothing wrong with the image quality. I need to change the camera calibration settings...I am able to do so in pix4d. See photo...How can I do this in Drone2Map? rgb

Cody Benkelman

Gary

see Editing the camera model—ArcGIS Help | Documentation
Cody B

GaryBabb

Cody, thanks. I don't have that option but I haven't updated to 2.1 yet. Will be installing. Thanks again!

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