Piergiovanni_4D-Net_for_Learned_Multi-Modal_Alignment@ICCV2021@CVF

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#1 4D-Net for Learned Multi-Modal Alignment [PDF] [Copy] [Kimi1]

Authors: AJ Piergiovanni ; Vincent Casser ; Michael S. Ryoo ; Anelia Angelova

We present 4D-Net, a 3D object detection approach, which utilizes 3D Point Cloud and RGB sensing information, both in time. We are able to incorporate the 4D information by performing a novel dynamic connection learning across various feature representations and levels of abstraction and by observing geometric constraints. Our approach outperforms the state-of-the-art and strong baselines on the Waymo Open Dataset. 4D-Net is better able to use motion cues and dense image information to detect distant objects more successfully. We will open source the code.