Modality gating is backbone-conditional: nnU-Net gates become static priors that degrade ranking score, while Mamba gates retain per-sample routing and improve it; only modality dropout helps both.
author Makowski, M.R
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False positives in prostate MRI AI detection share contrast features with true lesions across five architectures, and a lightweight refinement head improves specificity conditionally but not consistently on external data.
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Backbone-Conditional Behavior of Modality Gating in Multi-Modal Prostate MRI Segmentation: A 5-Fold Cross-Validation and Gate Mechanism Analysis
Modality gating is backbone-conditional: nnU-Net gates become static priors that degrade ranking score, while Mamba gates retain per-sample routing and improve it; only modality dropout helps both.
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A multi-architecture study of specificity refinement and false-positive mechanism analysis in prostate MRI
False positives in prostate MRI AI detection share contrast features with true lesions across five architectures, and a lightweight refinement head improves specificity conditionally but not consistently on external data.