AFDet: Anchor Free One Stage 3D Object Detection
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Abstract (arXiv)
High-efficiency point cloud 3D object detection operated on embedded systems is important for many robotics applications including autonomous driving. Most previous works try to solve it using anchor-based detection methods which come with two drawbacks: post-processing is relatively complex and computationally expensive; tuning anchor parameters is tricky. We are the first to address these drawbacks with an anchor free and Non-Maximum Suppression free one stage detector called AFDet. The entire AFDet can be processed efficiently on a CNN accelerator or a GPU with the simplified post-processing. Without bells and whistles, our proposed AFDet performs competitively with other one stage anchor-based methods on KITTI validation set and Waymo Open Dataset validation set.
Key facts. Cited by 63 papers in the map (data through 7 Oct 2026). First posted on arXiv 23 Jun 2020.
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Citing papers per year: 2021: 23; 2022: 19; 2023: 14; 2024: 3; 2025: 4.
63 papers.
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- 2023Argoverse 2: Next Generation Datasets for Self-Driving Perception and Forecastingcited by 701
- 2021Voxel Transformer for 3D Object Detectioncited by 247
- 2021Embracing Single Stride 3D Object Detector with Sparse Transformercited by 193
- 2021Offboard 3D Object Detection from Point Cloud Sequencescited by 144
- 20223D Object Detection for Autonomous Driving: A Comprehensive Surveycited by 132
- 2021LiDAR R-CNN: An Efficient and Universal 3D Object Detectorcited by 129
- 2021RSN: Range Sparse Net for Efficient, Accurate LiDAR 3D Object Detectioncited by 115
- 2022CenterFormer: Center-based Transformer for 3D Object Detectioncited by 99
- 2022SWFormer: Sparse Window Transformer for 3D Object Detection in Point Cloudscited by 92
- 2021AFDetV2: Rethinking the Necessity of the Second Stage for Object Detection from Point Cloudscited by 88
- 2022Fully Sparse 3D Object Detectioncited by 84
- 2021Pyramid R-CNN: Towards Better Performance and Adaptability for 3D Object Detectioncited by 79
38 more
- 20213D-MAN: 3D Multi-frame Attention Network for Object Detectioncited by 73
- 2022Point Density-Aware Voxels for LiDAR 3D Object Detectioncited by 70
- 2022MPPNet: Multi-Frame Feature Intertwining with Proxy Points for 3D Temporal Object Detectioncited by 65
- 2021Multi-Modal 3D Object Detection in Autonomous Driving: a Surveycited by 63
- 2021Behind the Curtain: Learning Occluded Shapes for 3D Object Detectioncited by 58
- 2023FocalFormer3D : Focusing on Hard Instance for 3D Object Detectioncited by 58
- 20213D Siamese Voxel-to-BEV Tracker for Sparse Point Cloudscited by 54
- 20213D Object Tracking with Transformercited by 49
- 2021Pseudo-labeling for Scalable 3D Object Detectioncited by 32
- 2023Super Sparse 3D Object Detectioncited by 32
- 2021From Multi-View to Hollow-3D: Hallucinated Hollow-3D R-CNN for 3D Object Detectioncited by 24
- 2021BoxeR: Box-Attention for 2D and 3D Transformerscited by 22
- 2022Sparse Cross-scale Attention Network for Efficient LiDAR Panoptic Segmentationcited by 22
- 2021Pattern-Aware Data Augmentation for LiDAR 3D Object Detectioncited by 15
- 2022Point2Seq: Detecting 3D Objects as Sequencescited by 15
- 2022itKD: Interchange Transfer-based Knowledge Distillation for 3D Object Detectioncited by 14
- 2023TrajectoryFormer: 3D Object Tracking Transformer with Predictive Trajectory Hypothesescited by 14
- 2021SA-Det3D: Self-Attention Based Context-Aware 3D Object Detectioncited by 13
- 2023MoDAR: Using Motion Forecasting for 3D Object Detection in Point Cloud Sequencescited by 13
- 2021SIDE: Center-based Stereo 3D Detector with Structure-aware Instance Depth Estimationcited by 12
- 2023LiDARFormer: A Unified Transformer-based Multi-task Network for LiDAR Perceptioncited by 11
- 2021Stereo CenterNet based 3D Object Detection for Autonomous Drivingcited by 10
- 2022SpOT: Spatiotemporal Modeling for 3D Object Trackingcited by 10
- 2025FSHNet: Fully Sparse Hybrid Network for 3D Object Detectioncited by 9
- 2022PseudoAugment: Learning to Use Unlabeled Data for Data Augmentation in Point Cloudscited by 7
- 20223D Cascade RCNN: High Quality Object Detection in Point Cloudscited by 7
- 2022PAI3D: Painting Adaptive Instance-Prior for 3D Object Detectioncited by 6
- 2023Generalized Few-Shot 3D Object Detection of LiDAR Point Cloud for Autonomous Drivingcited by 6
- 2022Sequential Point Clouds: A Surveycited by 5
- 2022OST: Efficient One-stream Network for 3D Single Object Tracking in Point Cloudscited by 5
- 2021Real-Time Anchor-Free Single-Stage 3D Detection with IoU-Awarenesscited by 4
- 2021A two-stage data association approach for 3D Multi-object Trackingcited by 3
- 2023HyperMODEST: Self-Supervised 3D Object Detection with Confidence Score Filteringcited by 3
- 2023Object Re-Identification from Point Cloudscited by 3
- 2023Frame Fusion with Vehicle Motion Prediction for 3D Object Detectioncited by 3
- 2023Fuzzy-NMS: Improving 3D Object Detection with Fuzzy Classification in NMScited by 3
- 2024DCDet: Dynamic Cross-based 3D Object Detectorcited by 2
- 2025DGFusion: Dual-guided Fusion for Robust Multi-Modal 3D Object Detectioncited by 2
50 most cited of 63 All 63 (JSON)
- 2025DGFusion: Dual-guided Fusion for Robust Multi-Modal 3D Object Detection13 Nov 2025
- 2025FSHNet: Fully Sparse Hybrid Network for 3D Object Detection4 Jun 2025
- 2025MonoLite3D: Lightweight 3D Object Properties Estimation4 Mar 2025
- 2025Easy-Poly: An Easy Polyhedral Framework For 3D Multi-Object Tracking25 Feb 2025
- 2024Decoupled and Interactive Regression Modeling for High-performance One-stage 3D Object Detection1 Sep 2024
- 2024EasyTrack: Efficient and Compact One-stream 3D Point Clouds Tracker9 Apr 2024
- 2024DCDet: Dynamic Cross-based 3D Object Detector14 Jan 2024
- 2023Fuzzy-NMS: Improving 3D Object Detection with Fuzzy Classification in NMS21 Oct 2023
- 2023WLST: Weak Labels Guided Self-training for Weakly-supervised Domain Adaptation on 3D Object Detection5 Oct 2023
- 2023FocalFormer3D : Focusing on Hard Instance for 3D Object Detection8 Aug 2023
- 2023Frame Fusion with Vehicle Motion Prediction for 3D Object Detection19 Jun 2023
- 2023TrajectoryFormer: 3D Object Tracking Transformer with Predictive Trajectory Hypotheses9 Jun 2023
38 more
- 2023MoDAR: Using Motion Forecasting for 3D Object Detection in Point Cloud Sequences5 Jun 2023
- 2023Object Re-Identification from Point Clouds17 May 2023
- 2023HyperMODEST: Self-Supervised 3D Object Detection with Confidence Score Filtering27 Apr 2023
- 2023LiDARFormer: A Unified Transformer-based Multi-task Network for LiDAR Perception21 Mar 2023
- 2023AdaptiveShape: Solving Shape Variability for 3D Object Detection with Geometry Aware Anchor Distributions28 Feb 2023
- 2023Generalized Few-Shot 3D Object Detection of LiDAR Point Cloud for Autonomous Driving8 Feb 2023
- 2023Object Preserving Siamese Network for Single Object Tracking on Point Clouds28 Jan 2023
- 2023Super Sparse 3D Object Detection5 Jan 2023
- 2023Argoverse 2: Next Generation Datasets for Self-Driving Perception and Forecasting2 Jan 2023
- 20223D Cascade RCNN: High Quality Object Detection in Point Clouds15 Nov 2022
- 2022PAI3D: Painting Adaptive Instance-Prior for 3D Object Detection15 Nov 2022
- 2022PseudoAugment: Learning to Use Unlabeled Data for Data Augmentation in Point Clouds24 Oct 2022
- 2022OST: Efficient One-stream Network for 3D Single Object Tracking in Point Clouds16 Oct 2022
- 2022SWFormer: Sparse Window Transformer for 3D Object Detection in Point Clouds13 Oct 2022
- 2022D-Align: Dual Query Co-attention Network for 3D Object Detection Based on Multi-frame Point Cloud Sequence30 Sep 2022
- 2022CenterFormer: Center-based Transformer for 3D Object Detection12 Sep 2022
- 2022SEFormer: Structure Embedding Transformer for 3D Object Detection5 Sep 2022
- 2022Fully Sparse 3D Object Detection20 Jul 2022
- 2022Det6D: A Ground-Aware Full-Pose 3D Object Detector for Improving Terrain Robustness19 Jul 2022
- 2022SpOT: Spatiotemporal Modeling for 3D Object Tracking12 Jul 2022
- 20223D Object Detection for Autonomous Driving: A Comprehensive Survey19 Jun 2022
- 2022itKD: Interchange Transfer-based Knowledge Distillation for 3D Object Detection31 May 2022
- 2022MPPNet: Multi-Frame Feature Intertwining with Proxy Points for 3D Temporal Object Detection12 May 2022
- 2022Sequential Point Clouds: A Survey20 Apr 2022
- 2022Point2Seq: Detecting 3D Objects as Sequences25 Mar 2022
- 2022Point Density-Aware Voxels for LiDAR 3D Object Detection10 Mar 2022
- 2022Quantity over Quality: Training an AV Motion Planner with Large Scale Commodity Vision Data3 Mar 2022
- 2022Sparse Cross-scale Attention Network for Efficient LiDAR Panoptic Segmentation16 Jan 2022
- 2021AFDetV2: Rethinking the Necessity of the Second Stage for Object Detection from Point Clouds16 Dec 2021
- 2021Embracing Single Stride 3D Object Detector with Sparse Transformer13 Dec 2021
- 2021Behind the Curtain: Learning Occluded Shapes for 3D Object Detection4 Dec 2021
- 2021Scalable Primitives for Generalized Sensor Fusion in Autonomous Vehicles1 Dec 2021
- 2021Pattern-Aware Data Augmentation for LiDAR 3D Object Detection30 Nov 2021
- 2021BoxeR: Box-Attention for 2D and 3D Transformers25 Nov 2021
- 20213D Siamese Voxel-to-BEV Tracker for Sparse Point Clouds8 Nov 2021
- 20213D Object Tracking with Transformer28 Oct 2021
- 2021Pyramid R-CNN: Towards Better Performance and Adaptability for 3D Object Detection6 Sep 2021
- 2021Voxel Transformer for 3D Object Detection6 Sep 2021
50 newest of 63 All 63 (JSON)
- 2023Argoverse 2: Next Generation Datasets for Self-Driving Perception and Forecastingcited by 701
- 2021Voxel Transformer for 3D Object Detectioncited by 247
- 2021Embracing Single Stride 3D Object Detector with Sparse Transformercited by 193
- 2021Offboard 3D Object Detection from Point Cloud Sequencescited by 144
- 20223D Object Detection for Autonomous Driving: A Comprehensive Surveycited by 132
- 2021LiDAR R-CNN: An Efficient and Universal 3D Object Detectorcited by 129
- 2021RSN: Range Sparse Net for Efficient, Accurate LiDAR 3D Object Detectioncited by 115
- 2022CenterFormer: Center-based Transformer for 3D Object Detectioncited by 99
- 2022SWFormer: Sparse Window Transformer for 3D Object Detection in Point Cloudscited by 92
- 2021AFDetV2: Rethinking the Necessity of the Second Stage for Object Detection from Point Cloudscited by 88
- 2022Fully Sparse 3D Object Detectioncited by 84
- 2021Pyramid R-CNN: Towards Better Performance and Adaptability for 3D Object Detectioncited by 79
12 most cited of 62 All 62 (JSON)
- 2025DGFusion: Dual-guided Fusion for Robust Multi-Modal 3D Object Detection13 Nov 2025
- 2025FSHNet: Fully Sparse Hybrid Network for 3D Object Detection4 Jun 2025
- 2025MonoLite3D: Lightweight 3D Object Properties Estimation4 Mar 2025
- 2025Easy-Poly: An Easy Polyhedral Framework For 3D Multi-Object Tracking25 Feb 2025
- 2024Decoupled and Interactive Regression Modeling for High-performance One-stage 3D Object Detection1 Sep 2024
- 2024EasyTrack: Efficient and Compact One-stream 3D Point Clouds Tracker9 Apr 2024
- 2024DCDet: Dynamic Cross-based 3D Object Detector14 Jan 2024
- 2023Fuzzy-NMS: Improving 3D Object Detection with Fuzzy Classification in NMS21 Oct 2023
- 2023WLST: Weak Labels Guided Self-training for Weakly-supervised Domain Adaptation on 3D Object Detection5 Oct 2023
- 2023FocalFormer3D : Focusing on Hard Instance for 3D Object Detection8 Aug 2023
- 2023Frame Fusion with Vehicle Motion Prediction for 3D Object Detection19 Jun 2023
- 2023TrajectoryFormer: 3D Object Tracking Transformer with Predictive Trajectory Hypotheses9 Jun 2023
12 newest of 62 All 62 (JSON)