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AerialDroneDeployGeoCVHow ToTip

Tip: How to create a 3D aerial fly-in with DroneDeploy and GeoCV8661

WGAN
Founder
DanSmigrod private msg quote post Address this user
Hi All,

From this WGAN Forum discussion:

Quote:
Originally Posted by @AntonYakubenko
Quote:
Originally Posted by @Noddy
Hi Dan,& all
I've noticed that GeoCV has an "Outdoor mode" in that example, do you know how that is achieved?

It doesn't appear to be drone results (or is it)? Perhaps photographs from a camera on a high pole that GeoCV auto processes?

Any body have any insight there? Thanks

Perhaps we should create a new thread for this feature, but for now, here is some info:

It works as follows:
- You need a regular drone with a good enough camera (for example, we used Phantom 4 Pro V2.0).
- Flight automation software such as DroneDeploy is recommended. You should be also able to fly manually.
- We provide you guidelines for shooting (see brief description below). You shoot and send us the images.
- We use photogrammetric software to stitch them into 3D scan and optionally align 360 images to the 3D scan.
- We align the exterior 3D scan with the interior 3D scan, and import all the content into GeoCV 3D tour.
- The whole process might take several days.

Here is the brief description of guidelines for shooting:

- It includes automated regular grid trajectory for oblique and nadir shots, which could be automated via DroneDeploy software. This allows you to capture the main content for the house and its surroundings. We also recommend to additionally manually fly around the house in a few circles at multiple altitudes to provide better coverage, quality and level of detail. If flying at low altitudes is prohibitive, you might need to walk around the house with the drone in your hands.
- For any trajectory, consequent images should have large, e.g. 80%, overlap. If possible, the whole house or its larger portions should be visible in the frame, unless these are the images for surroundings. Different flight sessions should have a large enough overlap in trajectory or coverage, e.g. they should start capturing from the approximately the same point.
- You can optionally capture aerial 360 images, which we could integrate into GeoCV 3D tour both aligned to the exterior 3D scan and as highlights. You should use third-party software to capture and automatically stitch these images. We require both the stitched images and source frames for each panorama.
- While shooting with a drone for photogrammetry is not that hard, it does require some skills and experience, so please be prepared for some trial and error learning curve. At least in the beginning until you master the skill, it might be a time consuming process, e.g. could take 2 hours, so it's recommended to have a few extra batteries fully charged before the shoot. According to Inman such GeoCV 3D tours "blow minds", so it's worth the effort.


And, from this WGAN Forum discussion:

Quote:
Originally Posted by @AntonYakubenko
Originally Posted by @sherpa_media
1) Will the beta version include integration of exterior 3D and 360° visuals captured with a drone? If so, are there additional costs involved?

Incorporation of exterior 3D scans and aerial 360 panoramas captured with a drone is our premium feature, which is not yet included into subscription and has project-base pricing in the range of several hundreds US dollars per tour. We do hope to automate it at some point to exclude extensive involvement of our post-production team, so it could be included into subscription or at least become more affordable. And the feedback from actual customers using it more and more would facilitate this. According to Inman such GeoCV 3D tours "blow minds", so it's worth the effort and investment at least for selected properties.


Quote:
Originally Posted by @AntonYakubenko
Quote:
Originally Posted by @sherpa_media
2) Can you give examples of an exported 360 view? Will you also be able to export still images? Can you provide an example?

Yes and yes. We'll prepare and publish some samples of all exported deliverables including floor plans, 3D model, 360 panoramas and still photos. We're currently upgrading our app to shoot in HD, i.e. 4x higher resolution than you currently see in our 3D tours now, so we probably release these samples after such an upgrade.


@AntonYakubenko kindly embed an example in this WGAN Forum discussion.

Best,

Dan
Post 1 IP   flag post
Standard
Member
Home3D private msg quote post Address this user
@AntonYakubenko and @DanSmigrod
Thank you for this primer. This is the most exciting capability for high-end listings that I have ever seen. Remarkable. Now I just have to master capturing all the assets in the proper way for this to work.

Anton, I expect to soon shoot a home which has mature trees quite close to one side of the home. This concerns me for this process. Any tips? Thanks.
Post 2 IP   flag post
GeoCV
Co-Founder
AntonYakubenko private msg quote post Address this user
Quote:
Originally Posted by Home3D
Anton, I expect to soon shoot a home which has mature trees quite close to one side of the home. This concerns me for this process. Any tips? Thanks.

Kevin, yes, trees are the biggest hurdles for aerial capturing for photogrammetry. There is not much you can do about it. In general, the idea would be just to have as much coverage from as various angles of this area as possible. This could be achieved by either flying at lower altitude and doing multiple altitudes in a manual mode, or taking drone in hands and walking around this area. Anyway, if trees occlude one side of a house, even in real life you can't see this side of the house clearly, so it's okay that it's not clearly visible in 3D scan as well.

I would also recommend to capture aerial 360 panoramas, which solve the problem of 3D scans imperfection similarly how interior 360 panoramas solve the problem of interior 3D scan imperfections.
Post 3 IP   flag post
3rd Party
Service
Metroplex360 private msg quote post Address this user
@AntonYakubenko Is GeoCV automating aligning the DroneDeploy OBJ files with the 3D Model? Or is there going to be a tool to allow people to do this?
Post 4 IP   flag post
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Member
angusnorriss private msg quote post Address this user
@AntonYakubenko

Are you saying that we can we externally source aerial 360 panos taken at different heights (without drone), send to you and that will suffice for the outdoor element?
Post 5 IP   flag post
GeoCV
Co-Founder
AntonYakubenko private msg quote post Address this user
Quote:
Originally Posted by Metroplex360
@AntonYakubenko Is GeoCV automating aligning the DroneDeploy OBJ files with the 3D Model? Or is there going to be a tool to allow people to do this?

We see ways how to automate fully or almost fully. It would make sense to do this when we see even stronger demand for this feature.
Post 6 IP   flag post
GeoCV
Co-Founder
AntonYakubenko private msg quote post Address this user
Quote:
Originally Posted by angusnorriss
@AntonYakubenko

Are you saying that we can we externally source aerial 360 panos taken at different heights (without drone), send to you and that will suffice for the outdoor element?

I doubt it would work. As I described above, shooting for 3D model extraction from aerial images using photogrammetry requires many images all around the house taken with large overlap. I doubt externally sourced imagery would be sufficient.

Moreover we require regular images, not 360 panos for 3D model extraction. 360 panos though could be used as Highlights and Fly-through in addition to 3D scan.
Post 7 IP   flag post
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