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maximeraafat / BlenderNeRF

Easy NeRF synthetic dataset creation within Blender
MIT License
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How to adjust the blenderNeRF settings #39

Closed lifeiXiao closed 2 months ago

lifeiXiao commented 2 months ago

image As you see, I get the wrong result when training in NGP, I'm not very sure where i should adjust in BlenderNeRF settings.

Again, i adjust the "scale", and get the result below: image I'm confused. I want to get the center object, but why there has a huge white cube.

maximeraafat commented 2 months ago

Hi @lifeiXiao, thanks for your question. NGP creates a NeRF contained within a box, with the scale of the box determined by the AABB parameter. The white box colour could be a consequence of rendering with white background. I suggest rendering your Blender scene with a transparent background, which you can do by ticking the Transparent box in the Properties window under Render > Film. As for the centring of your scene, this might have to do with the global position of your objects and camera in the Blender scene. If an object is too far from the Blender global origin, the default NGP camera might seem far off your NeRF reconstructed objects. I suggest centring your objects around the origin, and increasing the AABB parameter might also be beneficial. Hope this helps!

lifeiXiao commented 2 months ago

Cool! @maximeraafat ,I have already solved this problems according to your advice, i think i can do the further research now! Thanks alot again!

maximeraafat commented 2 months ago

Glad I could be of help :)