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Research map / Detection and segmentation / 3D detection and driving

Depth From Camera Motion and Object Detection

CVPR 2021 · Detection and segmentation › 3D detection and driving · approach: 3D objectness and scene segmentation · 34 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Add camera-motion and object-detection perturbations during training (ablation)DBox · ODMD Robot Setmean percent error: 12.5 -> 11.2Helped
Add camera-motion and object-detection perturbations during training (ablation)DBox · ODMD All Setsmean percent error: 5.8 -> 4.5Helped
Use relative-depth loss instead of absolute-depth loss (ablation)DBox · ODMD Robot Setmean percent error: 13.3 -> 11.2Helped
Use relative-depth loss instead of absolute-depth loss (ablation)DBox · ODMS Drivingmean percent error: 53.1 -> 24.8Helped
Use only z-axis camera motion instead of full x,y,z motion (ablation)DBox_p · ODMD All Setsmean percent error: 4.5 -> 15.6Hurt
Train for 1 × 10^6 rather than 1 × 10^7 iterations (ablation)DBox_p · ODMD All Setsmean percent error: 4.5 -> 4.6No clear effect
Train for 1 × 10^5 rather than 1 × 10^7 iterations (ablation)DBox_p · ODMD All Setsmean percent error: 4.5 -> 5.0Hurt
Use full x,y,z motion rather than only z-axis motion (ablation)DBox_p^z · ODMS Robotmean percent error: 22.0 -> 11.5Helped
Train using perturbations instead of clean data (ablation)DBox^z · ODMS Robotmean percent error: 39.3 -> 11.5Helped
Use optical expansion over all observations rather than a two-observation motion-parallax solution (ablation)analytical depth estimation · ODMD Robot Setmean percent error: 65.6 -> 21.2Helped
Train with relative-depth loss and perturbations for the target motion profile (ablation)DBox · ODMS All Setsmean percent error: 29.3 -> 17.1Helped
Use a box-based detector input rather than segmentation inputDBox_p^z · ODMS All Setsmean percent error: 17.8 -> 17.1Helped

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