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Not All Labels Are Equal: Rationalizing the Labeling Costs for Training Object Detection

CVPR 2022 · Detection and segmentation › Open-set and few-shot detection · approach: Open-set and unknown object detection · 46 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use the unified entropy-and-inconsistency acquisition score with selective pseudo-labeling instead of MC-dropout acquisitionSSD300 VGG · VOC07+12 test, cycle 1mAP@0.5: 70.95 vs 66.90Helped
Use the proposed method instead of the strongest listed baseline, EnsembleSSD300 VGG · VOC07+12 test, cycle 5mAP@0.5: 75.60 vs 74.29Helped
Use the proposed method instead of PMSSD300 VGG · MS-COCO val2017, cycle 1mAP@0.5: 30.07 vs 29.28Helped
Use the proposed method instead of PMSSD300 VGG · MS-COCO val2017, cycle 5mAP@0.5: 32.80 vs 32.27Helped
Combine entropy and inconsistency rather than using either score alone (ablation)Active learning for SSD300 VGG · VOC07+12 test, cycle 1mAP@0.5: 67.24 -> 68.40; 67.39 -> 68.40Helped
Add the unified acquisition score to the full method, including pseudo-labeling (ablation)SSD300 VGG · VOC07+12 test, cycle 1mAP@0.5: 68.40 -> 70.95Helped
Add selective pseudo-labeling to the unified acquisition method (ablation)SSD300 VGG · MS-COCO val2017, cycle 1mAP@0.5: 29.17 -> 30.07Helped
Remove consistency-based SSL training (ablation)Inconsistency acquisition for SSD300 VGG · VOC07+12 test, cycle 1mAP@0.5: 64.23 -> 63.26Hurt
Remove consistency-based SSL training (ablation)Inconsistency acquisition for SSD300 VGG · VOC07+12 test, cycle 5mAP@0.5: 69.27 -> 70.33Hurt
Lower the pseudo-label confidence threshold from 0.99 to 0.9 (ablation)Pseudo-labeling for SSD300 VGG · VOC07+12 test, cycle 1pseudo-label correctness: 96.68 -> 91.13Hurt
Lower the pseudo-label confidence threshold from 0.99 to 0.5 (ablation)Pseudo-labeling for SSD300 VGG · VOC07+12 test, cycle 1pseudo-label correctness: 96.68 -> 80.04Hurt
Use class-wise top-k% pseudo-label selection instead of a class-agnostic confidence threshold (ablation)Pseudo-labeling for SSD300 VGG · VOC07+12 test, cycle 1mAP@0.5: 69.42; 69.63; 69.67 vs 70.95Hurt

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