Get 3D object and scene using object occlusion and opacity with ObjectSDF++
Get 3D object and scene using object occlusion and opacity with ObjectSDF++
ObjectSDF++: Improved Object-Compositional Neural Implicit Surfaces
arXiv paper abstract https://arxiv.org/abs/2308.07868
arXiv PDF paper https://arxiv.org/pdf/2308.07868.pdf
Project page https://wuqianyi.top/objectsdf++
In recent years, neural implicit surface reconstruction has emerged as a popular paradigm for multi-view 3D reconstruction.
... However, they tend to disregard the reconstruction of individual objects within the scene, which limits their performance and practical applications.
... previous work ObjectSDF introduced a nice framework of object-composition neural implicit surfaces, which utilizes 2D instance masks to supervise individual object SDFs.
... propose a new framework called ObjectSDF++ to overcome the limitations of ObjectSDF ... is an occlusion-aware object opacity rendering formulation that directly volume-renders object opacity to be supervised with instance masks.
... design a novel regularization term for object distinction, which can effectively mitigate the issue that ObjectSDF may result in unexpected reconstruction in invisible regions due to the lack of constraint to prevent collisions.
... framework not only produces superior object reconstruction results but also significantly improves the quality of scene reconstruction ...
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