Underwater photogrammetry

Development Asset Creation Photogrammetry
, ,
1

Hi

I’m trying to model a stone dock in Reality Capture using underwater images captured with a Blueye Pioneer ROV. It uses a 1/3 inch CMOS wide angle sensor.

It looks like RC are managing to stich a lot of the images together but with a massive banana effect. The dock is supposed to be straight. I’ve tried all the different Distortion models in the in the Alignment settings, but the model stays more or less the same. I have left the “Camera model” on “no lens distortion”.

Model_BryggenBergen
Model_BryggenBergen1598×942 156 KB

image

AlignementSettings_BlueyePioneer
AlignementSettings_BlueyePioneer400×644 11.1 KB

Does anyone have an idea of what I should try next?

2

Hi amfram,
you can try principles from this article: Tutorial: Banana Effect - What To Do If My Model is Bent
Mostly the option using precalibrated images (images with fixed calibration parameters)
Also, capturing not just in two lines could help and using some control points.