Figure1. OurPoInit-of-Viewmethodinjectsimperceptiblepertur- bations into input views (top) to induce cross-view inconsistency (seedetailsinFigure3)inthefoundationalStructure-from-Motion (SfM)initializationratherthanthesingle-view-basedlossinexist- ing attacks. The corrupted feature correspondences propagate to inaccurate point triangulation, leading to erroneous camera poses and severely degraded 3D reconstruction results (bottom). Com- paredtocleanviews,ourpoisonedinputsyieldfarfewerregistered images, and as a result, lower quality of rendered views.