Messages

31

General / Help reconstruction Castle

« on: October 10, 2019, 02:23:47 PM »

hello!

I have some problems reconstructing a castle, going for a high resolution high accuracy 3D model and ortho.

Flight was with my phantom 4 pro and gcp with a topcon hyper sr.

1 set of flights was a double cross grid 90° down at 41 m height.  (overlap 85/80)

--> problem, my GCP were not measured accurate (only 4cm accuracy) because there are a lot of trees on site.

2 set of flights was a double grid 75° down at 45 m height. (overlap: 85 / 80)

GCPS are ok, i can generate a decent cloud but my ortho looks crappy and overal there is a lot of noise in the pointcloud.

because of different lighting during recording my ortho looks like there a spots everywhere, is there a way to fix this?

Greetings

32

General / Re: Noisy point cloud - less detail compared to PIX4D

« on: September 05, 2019, 09:49:45 AM »

Unfortunately, i can not share the dataset. If i process the Nadir dataset seperately from the oblique dataset i dont have the noise. Is this normal?

Greetings

33

General / Re: Noisy point cloud - less detail compared to PIX4D

« on: September 03, 2019, 08:09:06 PM »

Mak11,

I have runned the Optimize cameras tool after every gradual selection step.
What do you mean by what is the actual result?
I have to deliver my cleaned point cloud and ortho image to my client who does the terrestal scanning
Greetings

34

General / Noisy point cloud - less detail compared to PIX4D

« on: September 03, 2019, 06:11:40 PM »

Hey All,

i did a 3D scan of some buildings, flying manual.
2 flights, first flight was Nadir 2nd was with tilted camera. Height: 30m with phantom 4 Pro.

After alignment on setting high i have a sparse cloud of 2.8 mil points.
I used gradual selection to filter out bad points, leaving me with 500K points.

I was quite disappointed with the resulted point cloud created by Agisoft: lots of noise and less detail then pix4D. (see pictures)

Does anyone have a suggestions to improve my results?

Does anyone know how to remove excessive noise other than manual cleaning in agisoft?

Have used pix4d in the past but was more a fan of agisoft till today...

Thanks in advance!

35

General / Re: Poor Dense Cloud Generation - Metashape Pro 1.5.1

« on: March 23, 2019, 07:22:30 PM »

Is there already a solution to this problem?
Having the same issues...