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GS3D: An Efficient 3D Object Detection Framework for Autonomous Driving

CVPR 2019 · Detection and segmentation › 3D detection and driving · approach: Unified LiDAR 3D detection · 388 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Add visible-surface features to guidance-box features (ablation)GS3D refinement · KITTI val_2, carAP3D at IoU=0.5, Moderate: 15.47 -> 20.41Helped
Replace residual regression with classification refinement while using surface features (ablation)GS3D refinement · KITTI val_2, carAP3D at IoU=0.5, Moderate: 20.41 -> 23.39Helped
Replace fixed-feature classification with shift-feature classification (ablation)GS3D refinement · KITTI val_2, carAP3D at IoU=0.7, Moderate: 3.76 -> 4.51Helped
Replace fixed-feature classification with shift-feature classification (ablation)GS3D refinement · KITTI val_2, carAP3D at IoU=0.5, Moderate: 23.39 -> 18.81Hurt
Add quality-aware loss to classification refinement (ablation)GS3D with surface features and fixed-feature classification · KITTI val_2, carAP3D at IoU=0.5, Moderate: 23.39 -> 27.16Helped
Add quality-aware loss to shift-feature classification refinement (ablation)GS3D with surface features and shift-feature classification · KITTI val_2, carAP3D at IoU=0.7, Moderate: 4.51 -> 10.51Helped
Use shift-based rather than fixed-feature classification (ablation)GS3D on KITTI validation sets · KITTI val_1 and val_2, carAP3D at IoU=0.7: 8.71 -> 11.63; 6.64 -> 10.51Helped
Use shift-based rather than fixed-feature classification (ablation)GS3D on KITTI validation sets · KITTI val_1 and val_2, carAP3D at IoU=0.5: 33.11 -> 30.60; 27.16 -> 26.40Mixed
Use classification refinement with quality-aware loss instead of direct regression (ablation)GS3D on KITTI val_2 · KITTI val_2, carAP3D at IoU=0.7, Moderate: 1.99 -> 6.64Helped
Use shift-feature classification with quality-aware loss instead of direct regression (ablation)GS3D on KITTI val_2 · KITTI val_2, carAP3D at IoU=0.7, Moderate: 1.99 -> 10.51Helped

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