Online Adaptation for Implicit Object Tracking and Shape Reconstruction in the Wild
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| Main Authors: | , , , |
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| Format: | Preprint |
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2021
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| _version_ | 1866911831281369088 |
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| author | Ye, Jianglong Chen, Yuntao Wang, Naiyan Wang, Xiaolong |
| author_facet | Ye, Jianglong Chen, Yuntao Wang, Naiyan Wang, Xiaolong |
| contents | Tracking and reconstructing 3D objects from cluttered scenes are the key components for computer vision, robotics and autonomous driving systems. While recent progress in implicit function has shown encouraging results on high-quality 3D shape reconstruction, it is still very challenging to generalize to cluttered and partially observable LiDAR data. In this paper, we propose to leverage the continuity in video data. We introduce a novel and unified framework which utilizes a neural implicit function to simultaneously track and reconstruct 3D objects in the wild. Our approach adapts the DeepSDF model (i.e., an instantiation of the implicit function) in the video online, iteratively improving the shape reconstruction while in return improving the tracking, and vice versa. We experiment with both Waymo and KITTI datasets and show significant improvements over state-of-the-art methods for both tracking and shape reconstruction tasks. Our project page is at https://jianglongye.com/implicit-tracking . |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2111_12728 |
| institution | arXiv |
| publishDate | 2021 |
| record_format | arxiv |
| spellingShingle | Online Adaptation for Implicit Object Tracking and Shape Reconstruction in the Wild Ye, Jianglong Chen, Yuntao Wang, Naiyan Wang, Xiaolong Computer Vision and Pattern Recognition Tracking and reconstructing 3D objects from cluttered scenes are the key components for computer vision, robotics and autonomous driving systems. While recent progress in implicit function has shown encouraging results on high-quality 3D shape reconstruction, it is still very challenging to generalize to cluttered and partially observable LiDAR data. In this paper, we propose to leverage the continuity in video data. We introduce a novel and unified framework which utilizes a neural implicit function to simultaneously track and reconstruct 3D objects in the wild. Our approach adapts the DeepSDF model (i.e., an instantiation of the implicit function) in the video online, iteratively improving the shape reconstruction while in return improving the tracking, and vice versa. We experiment with both Waymo and KITTI datasets and show significant improvements over state-of-the-art methods for both tracking and shape reconstruction tasks. Our project page is at https://jianglongye.com/implicit-tracking . |
| title | Online Adaptation for Implicit Object Tracking and Shape Reconstruction in the Wild |
| topic | Computer Vision and Pattern Recognition |
| url | https://arxiv.org/abs/2111.12728 |