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Paper · 2009.00784 · 2020

CLOCs: Camera-LiDAR Object Candidates Fusion for 3D Object Detection

arXiv · PDF · Open in the Atlas

Code that ran

We lifted 7 functions out of this paper's own repositories and ran 6 of them in a sandbox. "Ran" means the function executed on a synthesized input and returned a value. It is not a reproduction of the paper's results.

RepositoryRoleRan
pangsu0613/CLOCs canonical 6 of 7
FunctionStatusWhere it lives
is_line_segment_cross Ran pangsu0613/CLOCs/second/core/geometry.py
code served (permissive licence) · get_code("abc7a1803bf35228")
is_line_segment_intersection_jit Ran pangsu0613/CLOCs/second/core/geometry.py
code served (permissive licence) · get_code("de9bc527072ac4b0")
line_segment_intersection Ran pangsu0613/CLOCs/second/core/geometry.py
code served (permissive licence) · get_code("6a7ad14559c54076")
second_box_decode Ran pangsu0613/CLOCs/second/core/box_np_ops.py
code served (permissive licence) · get_code("526cf943db7338d3")
second_box_encode Ran pangsu0613/CLOCs/second/core/box_np_ops.py
code served (permissive licence) · get_code("a4d8ab9d6577cbc2")
unmap Ran pangsu0613/CLOCs/second/core/target_ops.py
code served (permissive licence) · get_code("2902bedb7c18b1a1")
create_target_np Not yet run pangsu0613/CLOCs/second/core/target_ops.py
code served (permissive licence) · get_code("d2b64ea77c2d6d9f")

Repositories linked to this paper

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Abstract

There have been significant advances in neural networks for both 3D object detection using LiDAR and 2D object detection using video. However, it has been surprisingly difficult to train networks to effectively use both modalities in a way that demonstrates gain over single-modality networks. In this paper, we propose a novel Camera-LiDAR Object Candidates (CLOCs) fusion network. CLOCs fusion provides a low-complexity multi-modal fusion framework that significantly improves the performance of single-modality detectors. CLOCs operates on the combined output candidates before Non-Maximum Suppression (NMS) of any 2D and any 3D detector, and is trained to leverage their geometric and semantic consistencies to produce more accurate final 3D and 2D detection results. Our experimental evaluation on the challenging KITTI object detection benchmark, including 3D and bird's eye view metrics, shows significant improvements, especially at long distance, over the state-of-the-art fusion based methods. At time of submission, CLOCs ranks the highest among all the fusion-based methods in the official KITTI leaderboard. We will release our code upon acceptance.

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