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Context-Transformer: Tackling Object Confusion for Few-Shot Detection

AAAI 2020 · Detection and segmentation › Open-set and few-shot detection · approach: Domain-adaptive object detection · 93 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
add Context-Transformer and preserved source OBJSSD fine-tuning baseline · VOC07 test 5-shot (COCO-60 source)mAP: 39.4 -> 43.8Helped
add Context-Transformer between source and target OBJ (ablation)source-OBJ transfer · VOC07 test 5-shot (COCO-60 source)mAP: 40.9 -> 43.8Helped
preserve source OBJ under target OBJ (ablation)Context-Transformer · VOC07 test 5-shot (COCO-60 source)mAP: 41.5 -> 43.8Helped
unload Context-Transformer at test time (ablation)Context-Transformer · VOC07 test 5-shot (COCO-60 source)mAP: 43.8 -> 43.4No clear effect
max pooling to build contextual fields (ablation)Context-Transformer · VOC07 test 5-shot (COCO-60 source)mAP: 42.5 -> 43.8Helped
add residual FC embedding layers (ablation)Context-Transformer · VOC07 test 5-shot (COCO-60 source)mAP: 42.2 -> 43.8Helped
cosine instead of Euclidean affinity (ablation)Context-Transformer · VOC07 test 5-shot (COCO-60 source)mAP: 43.5 -> 43.8No clear effect
share target OBJ across scales (ablation)Context-Transformer · VOC07 test 5-shot (COCO-60 source)mAP: 41.4 -> 43.8Helped
Context-Transformer vs Non-local attentiontransfer framework · VOC07 test 5-shot (COCO-60 source)mAP: 41.0 -> 43.8Helped
Context-Transformer with more shotsSSD baseline · VOC07 testmAP: 1-shot +5.5 (21.5 -> 27.0); all +0.8 (80.7 -> 81.5)Helped
Context-Transformer in incremental few-shotincremental detection · VOC split1 1-shotnovel mAP: 23.9 -> 34.2Helped

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