For Better Banana (feature request)

[ichsan2895]

I have tested this Banana Dataset

These settings are
run --project-path “D:\qwerty\Banana_ODM” --mesh-octree-depth 14 --mesh-size 300000 --pc-quality ultra --pc-geometric

I got a banana with very sharp texture which is really great (IMO better than Reality Capture texture with same dataset)

But unfortunatelly, I can't eat this banana since there big hole in it

Why the hole appears? My hypothesis, it was appear at texturing stage since ODM remove the faces which ODM can't associated/interpolated from input images texture.

I checked /code/odm_meshing/odm_mesh.ply and it doesn't any hole in it, but it was uncolored.

I also try to add --texturing-keep-unseen-faces, The hole was dissapear ! but, the hole was filled by pure white faces.

Now the suggestion is, The texturing stage can interpolate the color of that faces instead of removing the faces or instead of fill it by pure white faces

[ichsan2895]

Lets try with meshlab

/code/odm_filterpoints/point_cloud.ply has colored point cloud

I use meshlab's screened poisson with Resolution depth is 11 and Adaptive Octree Depth is 8. The result is good enough, the color of the hole was filled by interpolated point cloud colors

But the texture is not sharp as ODM

My idea was to sharper the colored point cloud with ODM's texturing stage. I rename that mesh to odm_mesh.ply, then put that mesh to /code/odm_meshing

But I was failed. The faces become dissapear again and get the hole

Still figure it how to fix that.

[ichsan2895]

BONUS :
Another photogrammetry software result

IMO, I have said the ODM texture was better than Reality Capture, here is the screenshot

Keep good works !

But, Reality Capture tends to give color to the faces rather that removing it.

This is Reality capture with high quality settings for Reconstruction

[pierotofy]

The key problem is that currently mvs-texturing does not support texture interpolation.

Would you be interested in adding support for it?

[ichsan2895]

The key problem is that currently mvs-texturing does not support texture interpolation.

Would you be interested in adding support for it?

Thanks for your information that mvs-texturing doesn't support texture interpolation. What can I do beside coding? Maybe I have plan to buy native windows WebODM for fund support

I also tried to increase this value which located in this file

#define MAX_HOLE_NUM_FACES 100
#define MAX_HOLE_PATCH_SIZE 100

But since I don't know coding, I confuse how to change that file which is inside Docker environment. I use MXLinux 19.4 and WebODM Docker version.

ANOTHER (NOT YET PROVEN) IDEA

/code/odm_filterpoints/point_cloud.ply is already colored point cloud.

But /code/odm_meshing/odm_mesh.ply is not colored yet

My suggestion, Poisson reconstruction with ODM should be colored, so the odm_mesh.ply has colored mesh and there are interpolated texture color on unseen faces which is extracted from point cloud.

Activate Mvs-texture --keep-unseen-texturing-faces, but give it transparent color instead of pure white faces. So, the previous interpolated texture will show to the unseen faces instead of remove that faces that caused hole.

[pierotofy]

See https://opendronemap.org/get-involved/ for ways to help the project!

This is something tricky to add, since Reality Capture derives its point cloud from some type of mesh-like interpolation, it works quite differently from ODM.