BiSplat-WRF: Planar Gaussian Splatting for Wireless Radiance Field Reconstruction
A new method called BiSplat-WRF improves wireless radiance field reconstruction by using planar Gaussian splatting with a bilinear spatial transformer. The approach retains 3D expressiveness while enhancing physical interpretability and accuracy compared to previous vision-based adaptations.
Key facts
- arXiv:2604.25945
- Wireless radiance field (WRF) reconstruction aims to learn a continuous representation of radio frequency characteristics over 3D space and direction.
- BiSplat-WRF is a planar Gaussian splatting framework.
- It retains expressiveness of 3D Gaussian splatting while removing unnecessary projections.
- It incorporates global EM coupling and mutual scattering among primitives.
- Each primitive is a 2D planar Gaussian with 3D coordinates.
- A bilinear spatial transformer (BST) aggregates inter-primitive relations on an angular grid.
- The method is introduced in a paper on arXiv.
Entities
Institutions
- arXiv