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Few-Shot Open-Set Recognition by Transformation Consistency

CVPR 2021 · Label-efficient and robust learning › Zero-/few-shot and meta-learning · approach: Alignment-based few-shot metric learning · 62 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use transformation-consistency detection instead of direct prototype distance (ablation)FEAT-based SnaTCHer · tieredImageNet 5-way 1-shotAUROC: 69.36 -> 74.28Helped
Use transformation-consistency detection instead of direct prototype distance (ablation)FEAT-based SnaTCHer · tieredImageNet 5-way 5-shotAUROC: 77.63 -> 82.02Helped
Use transformation-consistency detection instead of classification probability (ablation)FEAT-based SnaTCHer · tieredImageNet 5-way 1-shotAUROC: 63.60 -> 74.28Helped
Use transformation-consistency detection instead of direct prototype distance (ablation)LN-based SnaTCHer · tieredImageNet 5-way 1-shotAUROC: 68.92 -> 74.07Helped
Use transformation-consistency detection instead of direct prototype distance (ablation)IN-based SnaTCHer · tieredImageNet 5-way 1-shotAUROC: 61.89 -> 71.22Helped
Use transformation-consistency detection instead of direct prototype distance (ablation)TaskNorm-based SnaTCHer · tieredImageNet 5-way 1-shotAUROC: 69.72 -> 74.84Helped
Use transformation-consistency detection instead of direct prototype distance (ablation)LTN-based SnaTCHer · tieredImageNet 5-way 1-shotAUROC: 69.80 -> 74.95Helped
Add transformation-consistency detection to identity-transformed prototypes (ablation)Identity-based SnaTCHer · tieredImageNet 5-way 1-shotAUROC: 72.40 -> 72.40No clear effect
Replace FEAT prototype transformation with DeepSets (ablation)SnaTCHer · tieredImageNet 5-way 1-shotAUROC: 74.28 -> 68.21Hurt
Replace FEAT prototype transformation with LN (ablation)SnaTCHer · tieredImageNet 5-way 1-shotAUROC: 74.28 -> 74.07Mixed
Fuse instance and layer normalization with task-adaptive weights (ablation)SnaTCHer-L · tieredImageNet 5-way 1-shotAUROC: 74.07 -> 74.95Helped
Use SnaTCHer-L instead of FEATminiImageNet 5-way 1-shot · miniImageNet 5-way 1-shotAUROC: 57.01±0.84 -> 69.40±0.92Helped

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