Author

Qing-Hua Zeng

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Conference Open access Sep 2026

Geometry and density-aware PointPillars for lightweight 3D object detection

To address missed detections of distant sparse objects in LiDAR 3D detection and inference latency on edge devices, we propose GD-Pillars, a lightweight algorithm. First, a Geometry and Density-Aware Pillar Feature Encoding (GD-PFE) network enhances local geometric descriptions and compensates for sparse target feature...

Yue Zhang, Qing-Hua Zeng, Fang-Dong Li et al. · Journal of Physics, Conferen... · 0 citations

Open access Aug 2026

HSF-Net: A Hierarchical Edge Enhancement and Sparse-Aware Fusion Network for Small Object Detection in UAV Aerial Imagery

After dataset-specific training and evaluation on the markedly different TinyPerson benchmark, HSF-Net outperforms YOLOv11s by 5.2 percentage points in mAP50, indicating that its relative performance advantage persists under a substantially different target-scale distribution and maritime background.

Jia-Qi Li, Qing-Hua Zeng, Songnan Duan et al. · Drones · 0 citations