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SagaNet: A Small Sample Gated Network for Pediatric Cancer Diagnosis

ICML 2021 · Label-efficient and robust learning › Recognition and long-tail · approach: Loss design and classifier theory · 2 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
add mask input plus gated layers, reconstruction loss and length-aware hinge loss (full SagaNet) vs. baseline without these parts (ablation)SagaNet · SRBCT2accuracy: 0.5550 -> 0.8031Helped
remove mask input (use raw images) (ablation)SagaNet · SRBCT2accuracy: 0.8031 -> 0.7457Hurt
replace gated layers with vanilla convolutions (ablation)SagaNet · SRBCT2accuracy: 0.8031 -> 0.7058Hurt
remove reconstruction regularization loss (ablation)SagaNet · SRBCT2accuracy: 0.8031 -> 0.6268Hurt
replace length-aware hinge loss with cross-entropy (ablation)SagaNet · SRBCT2accuracy: 0.8031 -> 0.6086Hurt
ImageNet pre-training for comparison CNNs (mask input)DenseNet/ResNet/MobileNet etc. · SRBCT2accuracy: e.g. DenseNet121 0.6150 -> 0.7568Helped
use mask input instead of raw input for pre-trained baselinespre-trained comparison CNNs · SRBCT2accuracy: DenseNet121pre 0.7568 (mask) vs 0.6793 (raw); ResNet50pre 0.7268 (mask) vs 0.6396 (raw); Inception-v3pre 0.6565 (mask) vMixed
SagaNet with mask input vs. ImageNet pre-trained DenseNet201 with mask inputSagaNet · SRBCT2accuracy: 0.7847 -> 0.8031Helped
full SagaNet on BreakHist vs classical classifiersSagaNet · BreakHist 40xrecognition rate: 96.2 vs best classical 83.8 (QDA)Helped

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