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

Towards Open World Object Detection

CVPR 2021 · Detection and segmentation › Open-set and few-shot detection · approach: Open-set and unknown object detection · 542 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use ORE instead of Faster R-CNNOpen World Object Detection · Open World Task 1WI: 0.06991 -> 0.02193Helped
Use ORE instead of Faster R-CNNOpen World Object Detection · Open World Task 2mAP, both known groups: 14.91 -> 38.98Helped
Use ORE instead of Faster ILODIncremental object detection · Pascal VOC 10+10mAP: 62.16 -> 64.58Helped
Add contrastive clustering to the ALU+EBUI configuration (ablation)ORE · Task 1 unknown detectionWI: 0.04539 -> 0.02193Helped
Add energy-based unknown identification to ALU+CC (ablation)ORE · Task 1 unknown detectionWI: 0.05614 -> 0.02193Helped
Add auto-labelling of unknowns to EBUI alone (ablation)ORE · Task 1 unknown detectionWI: 0.05932 -> 0.04539Helped
Remove contrastive clustering while keeping ALU and EBUI (ablation)ORE · Task 1 unknown detectionWI: 0.02193 -> 0.04539Hurt
Remove EBUI while keeping CC and ALU (ablation)ORE · Task 1 unknown detectionWI: 0.02193 -> 0.05614Hurt
Remove ALU and EBUI, leaving the standard detector (ablation)ORE · Task 1 unknown detectionWI: 0.02193 -> 0.06991Hurt
Increase exemplar memory from 50 to 100 instances per class (ablation)ORE balanced finetuning · Task 2WI: 0.0154 -> 0.0410Hurt
Use a minimum exemplar memory of 10 instead of none (ablation)ORE balanced finetuning · Task 2mAP, previously known: 8.74 -> 46.78Helped
Increase feature queue size from 5 to 20 (ablation)ORE prototype computation · Task 1mAP: 56.01 -> 56.34No clear effect

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