photogrammetry animation

[chriserskine]

this is what I've come up with using reality capture for that last 6 months.

software feels like its in BETA, and its nice to come back to vray to render it.

but when it works you can get some nice results.

all photos to capture these scenes were taken from a heli.

these are all work in progress scenes, I'll be coming back to them to add more detail.

I've also been trying to get heli + uav + ground photos in together. but that's been a little harder, and I'll come back to that later.

[duke2]

Good stuff! Can I ask, why Reality Capture vs. Photoscan? Also, in the Melbourne CBD shot, did you take the images at night or was it done at day and you painted in the illumination masks?

[chriserskine]

the Melbourne night scene was from last light heli shoot. about 30mins before and after sunset.

I built model from all the photos, then just used the later night ones for texturing.

I was a bit surprised it work. I was up there to do camera matching. so to have model work was a bonus.

shot photos with a d810, and a gyro.

reality capture can handle a lot bigger scenes, higher quality and faster, it can also add laser scans as well. it should be compared to the advanced version of photoscan.

but

there a bunch of things missing, things like camera will only export to maya atm. and when I tried testing that it had issues, though that was a while ago. it is beta software, and I feel its a flip of a coin whether I'll get a model after a week or cancel to try again.

so there are bunch of things workflow wise that photoscan is better at.

but it is early days for it, and there should be a lot of improvements coming.

[BBB3]

That's very impressive. The models seem so perfect. Was there a lot of cleaning and retopo involved?

[chriserskine]

I haven't done any yet.

I need to figure out a good workflow that works at that scale.

[chriserskine]

I did delete parts of the mesh and remodel those.

but i haven't done any retopo or edited uv's.

[joconnell]

Matte painters are going to absolutely love you!

If you shot a few cities and retopoed them to have straight edges on the buildings, it'd be an asset you could sell to vfx houses for quite a bit! In house assets are a big part of some companies pitches - Sony have an amazing time square asset from all of the spiderman films, Mr X have some kind of new york asset too?

[chriserskine]

thanks for the kind words.

I'm currently working on getting a larger Melbourne city model done. so if that all goes to plan I'll have another animation in a few weeks.

but if anyone knows some good techniques to retopo and uv layout that can either handle massive amounts geo or can be batched to run over a few thousands parts.

I had a look at that instant mesh. running a model that had already been dropped down to 5m or about 1% of original and it took too much detail out. I'll need to test it more but I don't like the chances of it running the original models that can run into the hundred of millions and even billions of tri's.

[squintnic]

very interested in that melbourne model - particularly a cleaned up one
work looks good!

[Sbrusse]

Funny, I was doing Melbourne the other day to get a accurate model of the city as I had to 3d track and align few heli shot.
It also served as mask and reflection environment fir the blds that we needed to integrate, worked wonderfully.

Little wip of the model :
https://drive.google.com/open?id=0B6...mxWOGxaakZ5dUE

I was blown away how this model matched completely and accurately to the cm to the real footage.
Loving photogrammetry and if people are interested in getting cities done, I might think of that as a side project

[chriserskine]

nice work Sbrusse, its a really great tool for camera matching.

I'm just looking forward to when rc gets some updates so it works as well with 3dsmax as photoscan dose.

looks like I've managed to get something else to work... I'll update with some more animations in a week or so.