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Similarity Search for Efficient Active Learning and Search of Rare Concepts

AAAI 2022 · Label-efficient and robust learning › Recognition and long-tail · approach: Deep active learning · 22 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Restrict candidate examples to nearest neighbors of labeled examplesMaxEnt active learning · ImageNetmAP: 0.695 -> 0.695No clear effect
Restrict candidate examples to nearest neighbors of labeled examplesMaxEnt active search · ImageNetrecall: 57.2% -> 56.9%No clear effect
Restrict candidate examples to nearest neighbors of labeled examplesMLP active learning · ImageNetmAP: 0.693 -> 0.692No clear effect
Restrict candidate examples to nearest neighbors of labeled examplesMLP active search · ImageNetrecall: 74.5% -> 74.2%No clear effect
Restrict candidate examples to nearest neighbors of labeled examplesID active learning · ImageNetmAP: 0.688 -> 0.688No clear effect
Restrict candidate examples to nearest neighbors of labeled examplesID active search · ImageNetrecall: 50.8% -> 50.9%No clear effect
Restrict candidate examples to nearest neighbors of labeled examplesMaxEnt active learning · OpenImagesmAP: 0.399 -> 0.386Hurt
Restrict candidate examples to nearest neighbors of labeled examplesMLP active learning · OpenImagesmAP: 0.398 -> 0.386Hurt
Increase the nearest-neighbor pool size to k=1,000 (ablation)MaxEnt-SEALS and MLP-SEALS · OpenImagesmAP: improving mAP to 0.395Helped
Restrict candidate examples to nearest neighbors of labeled examplesActive learning and search · OpenImagesrecall: 35.0% -> 35.1%No clear effect
Restrict candidate examples to nearest neighbors of labeled examplesMaxEnt active learning · 10B imagesmAP: 0.508 -> 0.504No clear effect
Use nearest-neighbor-restricted selection instead of scanning the entire poolMaxEnt-SEALS · ImageNettotal time (seconds): 45.23 -> 12.49Helped

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