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Oct, 2020
IF-Defense:基于隐式函数恢复的三维对抗点云防御
IF-Defense: 3D Adversarial Point Cloud Defense via Implicit Function based Restoration
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Ziyi Wu, Yueqi Duan, He Wang, Qingnan Fan, Leonidas J. Guibas
TL;DR
本文提出了IF-Defense框架,通过同时优化输入点的坐标,并设置几何和分布约束来恢复被攻击的点云,在PointNet,PointNet ++,DGCNN,PointConv和RS-CNN上实现了现有3D对抗攻击的最先进防御表现。
Abstract
point cloud
is an important 3D data representation widely used in many essential applications. Leveraging
deep neural networks
, recent works have shown great success in processing 3D point clouds. However, those
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