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Research map / Detection and segmentation / Open-set and few-shot detection

Multiple Instance Active Learning for Object Detection

CVPR 2021 · Detection and segmentation › Open-set and few-shot detection · approach: Open-set and unknown object detection · 149 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
add IUL to random-selection training (ablation)RetinaNet active detection · PASCAL VOC, 20.0% labeledmAP: 67.09% vs. 70.06%Helped
add IUL to active image classification (ablation)ResNet-18 · CIFAR-10, 2.0% labeledaccuracy: 58.07% vs. 51.01%Helped
add IUR using image-classification-score weights (ablation)MI-AOD with IUL · PASCAL VOC, 20.0% labeledmAP: 68.48% vs. 67.20%Helped
add IUR using image-classification-score weights (ablation)MI-AOD with IUL · PASCAL VOC, 100.0% labeledmAP: 78.37% vs. 77.28%Helped
use image-classification scores rather than uniform weights for IUR (ablation)MI-AOD · PASCAL VOC, first three active-learning cyclesmAP: 5.04%~17.09%Helped
use image-classification weights rather than first-classifier outputs (ablation)IUR · PASCAL VOC, labeled proportions 5.0%–20.0%mAP: 31.67 -> 47.18; 67.30 -> 68.48Helped
apply image-classification-score weights on all data rather than only the labeled set (ablation)IUR · PASCAL VOC, 20.0% labeledmAP: 68.32 -> 68.48Helped
use image-classification-score weights rather than uniform weights on the labeled set (ablation)IUR · PASCAL VOC, 5.0% labeledmAP: 42.52 -> 47.18Helped
use λ=0.5 rather than λ=1 (ablation)MI-AOD · PASCAL VOC, 20.0% labeledmAP: 71.62 -> 72.27Helped
select top 10k instances rather than all instances (ablation)MI-AOD · PASCAL VOC, 20.0% labeledmAP: 72.03 -> 72.27Helped
select top 10k instances rather than 100 instances (ablation)MI-AOD · PASCAL VOC, 20.0% labeledmAP: 71.47 -> 72.27Helped
use mean instance uncertainty rather than maximum instance uncertainty (ablation)IUL + IUR · PASCAL VOC, 20.0% labeledmAP: 70.33 -> 72.03Helped

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