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Interactive Self-Training With Mean Teachers for Semi-Supervised Object Detection

CVPR 2021 · Detection and segmentation › Weakly supervised detection and segmentation · approach: Pseudo-labeling for semi-supervised detection · 156 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
add interactive self-training with two ROI heads predicting pseudo-labels for each other (ablation)ISMT · 1% and 10% COCOmAP: 15.94 -> 18.88; 26.75 -> 30.53Helped
add mean teacher modules to provide cross-head pseudo-labels (ablation)ISMT · 1% and 10% COCOmAP: 15.23 -> 18.88; 28.33 -> 30.53Helped
add NMS fusion of current detections with historical pseudo-labels (ablation)ISMT · 1% and 10% COCOmAP: 14.74 -> 18.88; 26.65 -> 30.53Helped
add DropBlock to ROI heads (ablation)ISMT · 1% and 10% COCOmAP: 17.32 -> 18.88; 29.48 -> 30.53Helped
use two ROI heads rather than one (ablation)ISMT · 1% and 10% COCOmAP: 15.64 -> 18.88; 26.47 -> 30.53Helped
increase the number of ROI heads from two to three (ablation)ISMT · 1% and 10% COCOmAP: 18.88 -> 18.53; 30.53 -> 30.74Mixed
set unlabeled loss weight γ to 0.5 rather than 2 (ablation)ISMT · 10% COCOmAP: 24.82 vs 30.53Hurt
set unlabeled loss weight γ to 1 rather than 2 (ablation)ISMT · 10% COCOmAP: 29.42 vs 30.53Hurt
set unlabeled loss weight γ to 4 rather than 2 (ablation)ISMT · 10% COCOmAP: 28.94 vs 30.53Hurt
set unlabeled loss weight γ to 8 rather than 2 (ablation)ISMT · 10% COCOmAP: 18.10 vs 30.53Hurt
set EMA smoothing coefficient α to 0.5 or 0.9 rather than 0.99 (ablation)ISMT · 10% COCOmAP: 27.82, 28.42 vs 30.53Hurt
set EMA smoothing coefficient α to 0.999 or 0.9999 rather than 0.99 (ablation)ISMT · 10% COCOmAP: 29.94, 26.10 vs 30.53Hurt

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