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Paper · 2309.17336 · 2023

Robust 3D Object Detection from LiDAR-Radar Point Clouds via Cross-Modal Feature Augmentation

arXiv · PDF · Open in the Atlas

Code that ran

We lifted 6 functions out of this paper's own repositories and ran 2 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
djning/see_beyond_seeing canonical 2 of 6
FunctionStatusWhere it lives
cfg_from_yaml_file Ran djning/see_beyond_seeing/pcdet/config.py
pointer only (licence: NONE) · get_code("b34a1381dde73d41")
merge_new_config Ran djning/see_beyond_seeing/pcdet/config.py
pointer only (licence: NONE) · get_code("ea4deb6530f27660")
compute_fg_mask Not yet run djning/see_beyond_seeing/pcdet/utils/loss_utils.py
pointer only (licence: NONE) · get_code("65fe32ede00e7dcb")
get_corner_loss_lidar Not yet run djning/see_beyond_seeing/pcdet/utils/loss_utils.py
pointer only (licence: NONE) · get_code("1780d388cc532a6d")
neg_loss_cornernet Not yet run djning/see_beyond_seeing/pcdet/utils/loss_utils.py
pointer only (licence: NONE) · get_code("488b91d67a807558")
post_act_block Not yet run djning/see_beyond_seeing/pcdet/models/backbones_3d/spconv_backbone.py
pointer only (licence: NONE) · get_code("2b4e0558df870bf9")

Repositories linked to this paper

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Abstract

This paper presents a novel framework for robust 3D object detection from point clouds via cross-modal hallucination. Our proposed approach is agnostic to either hallucination direction between LiDAR and 4D radar. We introduce multiple alignments on both spatial and feature levels to achieve simultaneous backbone refinement and hallucination generation. Specifically, spatial alignment is proposed to deal with the geometry discrepancy for better instance matching between LiDAR and radar. The feature alignment step further bridges the intrinsic attribute gap between the sensing modalities and stabilizes the training. The trained object detection models can deal with difficult detection cases better, even though only single-modal data is used as the input during the inference stage. Extensive experiments on the View-of-Delft (VoD) dataset show that our proposed method outperforms the state-of-the-art (SOTA) methods for both radar and LiDAR object detection while maintaining competitive efficiency in runtime. Code is available at https://github.com/DJNing/See_beyond_seeing.

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have("2309.17336")

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