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Nov 2
Chinese contentAI 听诊模型识别左心室功能不全,多中心前瞻研究完成外部验证

医生用普通听诊器加 AI 就能筛查左心室功能不全,还在多中心做了外部验证,做医疗 AI 的可以看看验证流程怎么设计。

NEJM AI@Eiichiro Sato Yuki Izumi Yuki Saito Yoshihito Saijo Takeshi Kitai Akihiro Hayashida Azusa Murata Tomohiro Kaneko Akira Sakamoto Takahiro Sakamoto Kenya Kusunose Tohru Minamino Hiroshi Seki Koshiro Ikeda Shumpei Saito Shimpei Ogawa and Nobuyuki KagiyamaSource
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PapersBuildersSelected13:26
SecPO Cuts Prompt Injection Attacks on Qwen3.6-27B

The key insight is that DPO-based defences anchor to an insecure reference model, and an injection-invariant oracle can be approximated in practice — a fix that goes beyond simply training on more attacks. Teams building agentic systems can fine-tune with the released SecPO model, loss and adversarial training data rather than relying on prompt filtering. The released checkpoint is based on Qwen3.6-27B, making it directly usable for open-weight deployments.

arXiv cs.AI@Sizhe Chen et al. (5)Source
PapersBuildersSelected13:19
Training-Free MoE Expert Pruning Study Compares Replacement Operators

The paper shows that a usually implicit implementation choice — whether to renormalize survivors' gate scales — can flip which pruning method wins, so benchmark tables built on one operator may not generalize. Engineers pruning MoE checkpoints get concrete guidance: match the operator to the router's training, and validate on math and code tasks rather than multiple-choice accuracy alone. Researchers should adopt the five-item reporting checklist when publishing pruning results.

arXiv: DeepSeek@Ezza Ali et al. (4)Source

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