Gaussian-Det: Learning Closed-Surface Gaussians for 3D Object Detection

Gaussians (w./o. Surface, >150K) Gaussians (w./o. Surface, >150K) Gaussians (w./ Surface, <50K) Gaussians (w./ Surface, <50K) (a) (c) (d) Figure 1: We leverage Gaussian Splatting as surface representation for multi-view based 3D object detection. Top Left: Gaussians with color and coordinate. Top Right: Gaussians with color, coordinate and surface information, but in a much fewer amount. Bottom (a-b): Object composed of Gaussians exhibits a textured surface as opposed to the top left illustration. Bottom (c-d): However, Gaussian splatting inherently introduces numerous outliers around the object.