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Attention-Based Multi-Context Guiding for Few-Shot Semantic Segmentation

AAAI 2019 · Detection and segmentation › Open-set and few-shot detection · approach: Few-shot segmentation · 145 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
add multi-context guiding (fuse Res-2..5 features of support and query) (ablation)ResNet101 baseline · PASCAL-5i 1-shotmIoU: 53.0 -> 55.3Helped
fuse context-2345 instead of only Res-5 (ablation)MCG · PASCAL-5i sub-0 1-shotmIoU: 61.2 -> 63.6Helped
add shared spatial attention (RAM) (ablation)MCG · PASCAL-5i 1-shotmIoU: 55.3 -> 57.3Helped
use shared spatial attention instead of separate (ablation)MCG · PASCAL-5i sub-0 1-shotmIoU: 63.3 -> 65.8Helped
use channel attention (SE) shared (ablation)MCG · PASCAL-5i sub-0 1-shotmIoU: 63.3 -> 61.7Hurt
add Conv-LSTM multi-shot fusion with per-shot loss (ablation)A-MCG · PASCAL-5i 5-shotmIoU: 57.8 -> 62.2Helped
supervise only the last shot (1-loss) instead of all shots (ablation)Conv-LSTM · PASCAL-5i sub-0 1-shotmIoU: 66.1 -> 65.1Hurt
change fusion width from 256 to 1024 (ablation)MCG · PASCAL-5i sub-0 1-shotmIoU: 63.6 -> 63.2Hurt
change fusion width from 256 to 64 (ablation)MCG · PASCAL-5i sub-0 1-shotmIoU: 63.6 -> 63.4No clear effect
full A-MCG-Conv-LSTM vs baselineResNet101 baseline · COCO 5-shotmIoU: 51.2 -> 54.7Helped

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