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#medical-ai14 articles
14 articles
AIBullisharXiv – CS AI Ā· 4h ago5
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SALIENT: Frequency-Aware Paired Diffusion for Controllable Long-Tail CT Detection

Researchers introduce SALIENT, a frequency-aware diffusion model framework that improves detection of rare lesions in CT scans by generating synthetic training data in wavelet domain rather than pixel space. The approach addresses extreme class imbalance in medical imaging through controllable augmentation, achieving significant improvements in detection performance for low-prevalence conditions.

AIBullisharXiv – CS AI Ā· 4h ago5
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3D Modality-Aware Pre-training for Vision-Language Model in MRI Multi-organ Abnormality Detection

Researchers developed MedMAP, a Medical Modality-Aware Pretraining framework that enhances vision-language models for 3D MRI multi-organ abnormality detection. The framework addresses challenges in modality-specific alignment and cross-modal feature fusion, demonstrating superior performance on a curated dataset of 7,392 3D MRI volume-report pairs.

AIBullisharXiv – CS AI Ā· 4h ago3
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The Geometry of Transfer: Unlocking Medical Vision Manifolds for Training-Free Model Ranking

Researchers developed a new framework for selecting optimal medical AI foundation models without costly fine-tuning, achieving 31% better performance than existing methods. The topology-driven approach evaluates manifold tractability rather than statistical overlap to better assess model transferability for medical image segmentation tasks.

AIBullisharXiv – CS AI Ā· 4h ago3
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Toward Guarantees for Clinical Reasoning in Vision Language Models via Formal Verification

Researchers developed a neurosymbolic verification framework to audit logical consistency in AI-generated radiology reports, addressing issues where vision-language models produce diagnostic conclusions unsupported by their findings. The system uses formal verification methods to identify hallucinations and missing logical conclusions in medical AI outputs, improving diagnostic accuracy.

AIBullisharXiv – CS AI Ā· 4h ago2
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Multimodal Optimal Transport for Unsupervised Temporal Segmentation in Surgical Robotics

Researchers developed TASOT, an unsupervised AI method for surgical phase recognition that combines visual and textual information without requiring expensive large-scale pre-training. The approach showed significant improvements over existing zero-shot methods across multiple surgical datasets, demonstrating that effective surgical AI can be achieved with more efficient training methods.

AIBullisharXiv – CS AI Ā· 4h ago6
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MACD: Multi-Agent Clinical Diagnosis with Self-Learned Knowledge for LLM

Researchers developed MACD, a Multi-Agent Clinical Diagnosis framework that enables large language models to self-learn clinical knowledge and improve medical diagnosis accuracy. The system achieved up to 22.3% improvement over clinical guidelines and 16% improvement over physician-only diagnosis when tested on 4,390 real-world patient cases.

AIBullisharXiv – CS AI Ā· 4h ago4
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Radiologist Copilot: An Agentic Framework Orchestrating Specialized Tools for Reliable Radiology Reporting

Researchers have developed Radiologist Copilot, an AI agentic framework that orchestrates specialized tools to complete the entire radiology reporting workflow beyond simple report generation. The system integrates image localization, interpretation, template selection, report composition, and quality control to support radiologists throughout the comprehensive reporting process.

AIBullisharXiv – CS AI Ā· 4h ago3
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Less is More: AMBER-AFNO -- a New Benchmark for Lightweight 3D Medical Image Segmentation

Researchers developed AMBER-AFNO, a new lightweight architecture for 3D medical image segmentation that replaces traditional attention mechanisms with Adaptive Fourier Neural Operators. The model achieves state-of-the-art results on medical datasets while maintaining linear memory scaling and quasi-linear computational complexity.

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AIBearisharXiv – CS AI Ā· 4h ago5
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Beyond Accuracy: Risk-Sensitive Evaluation of Hallucinated Medical Advice

Researchers propose a new risk-sensitive framework for evaluating AI hallucinations in medical advice that considers potential harm rather than just factual accuracy. The study reveals that AI models with similar performance show vastly different risk profiles when generating medical recommendations, highlighting critical safety gaps in current evaluation methods.

AINeutralarXiv – CS AI Ā· 4h ago0
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SegReg: Latent Space Regularization for Improved Medical Image Segmentation

Researchers propose SegReg, a latent-space regularization framework for medical image segmentation that improves model generalization and continual learning capabilities. The method operates on U-Net feature maps and demonstrates consistent improvements across prostate, cardiac, and hippocampus segmentation tasks without adding extra parameters.