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Instance-aware adaptive label assignment for 3D object detection

delete2026-04-12
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PRE
AI
J
Jianping Zhong
X
Xianzhu Liu *
Q
Qinglin Liu
F
Feng Jiang
DOI:10.1016/j.neucom.2026.133634delete
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摘要

摘要

En 中文
在3D场景中精确检测物体对自动驾驶至关重要。尽管现有的基于点的方法已取得显著进展,但其对小物体和远距离物体的检测性能仍不理想。我们识别出导致此问题的两个核心问题:正样本数量的不平衡以及回归分支与分类分支之间的错位。为解决这些挑战,我们引入了一种单次检测的3D物体检测器,采用实例感知的标签分配策略和任务感知的平衡损失,命名为Libra-SSD。具体而言,实例感知的标签分配策略采用自适应函数为不同尺寸的实例收集高质量样本。任务感知损失根据分类和回归任务的学习状态动态调整平衡权重。在KITTI和nuScenes数据集上的大量实验证明了我们方法的有效性。我们的Libra-SSD在“cyclist”类别上达到63.11%的平均精度均值(mAP),同时保持74帧每秒的出色速度。
Keyword:
3D object detection
label assignment
instance-aware
balanced loss
autonomous driving

期刊

Neurocomputing 封面图
Neurocomputing
IF:
6.5
论文数:
2.5W
被引数:
6.5W

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