Search Results for author: Dennis Park

Found 8 papers, 1 papers with code

Scene Synthesis from Human Motion

no code implementations4 Jan 2023 Sifan Ye, Yixing Wang, Jiaman Li, Dennis Park, C. Karen Liu, Huazhe Xu, Jiajun Wu

Large-scale capture of human motion with diverse, complex scenes, while immensely useful, is often considered prohibitively costly.

What You Can Reconstruct From a Shadow

no code implementations CVPR 2023 Ruoshi Liu, Sachit Menon, Chengzhi Mao, Dennis Park, Simon Stent, Carl Vondrick

Experiments and visualizations show that the method is able to generate multiple possible solutions that are consistent with the observation of the shadow.

3D Reconstruction

Depth Is All You Need for Monocular 3D Detection

no code implementations5 Oct 2022 Dennis Park, Jie Li, Dian Chen, Vitor Guizilini, Adrien Gaidon

Our methods leverage commonly available LiDAR or RGB videos during training time to fine-tune the depth representation, which leads to improved 3D detectors.

Depth Prediction Monocular Depth Estimation +1

Shadows Shed Light on 3D Objects

no code implementations17 Jun 2022 Ruoshi Liu, Sachit Menon, Chengzhi Mao, Dennis Park, Simon Stent, Carl Vondrick

Experiments and visualizations show that the method is able to generate multiple possible solutions that are consistent with the observation of the shadow.

3D Reconstruction

Revealing Occlusions with 4D Neural Fields

no code implementations CVPR 2022 Basile Van Hoorick, Purva Tendulka, Didac Suris, Dennis Park, Simon Stent, Carl Vondrick

For computer vision systems to operate in dynamic situations, they need to be able to represent and reason about object permanence.

Video Understanding

Is Pseudo-Lidar needed for Monocular 3D Object detection?

2 code implementations ICCV 2021 Dennis Park, Rares Ambrus, Vitor Guizilini, Jie Li, Adrien Gaidon

Recent progress in 3D object detection from single images leverages monocular depth estimation as a way to produce 3D pointclouds, turning cameras into pseudo-lidar sensors.

 Ranked #1 on Monocular 3D Object Detection on KITTI Pedestrian Hard (using extra training data)

Monocular 3D Object Detection Monocular Depth Estimation +2

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