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National Yang Ming Chiao Tung University

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  1. arXiv

    Cepheid splits residual structure from physical scale: 15.6% and 10.1% lower completion error on unseen cloth and legged bodies than harmonic extension

    In sparse-to-dense mesh motion completion, residual priors trained on one geometry family often fail to beat parameter-free harmonic extension, because residual amplitude varies by more than an order of magnitude across families and densities while the target motion is unknown at test time. Cepheid learns only a dimensionless residual structure and recovers physical amplitude from observables plus a lightweight correction fitted on training sources. The unified model stays below harmonic extension on all five evaluated families, cutting error by 15.6% on an unseen cloth sheet and 10.1% on procedural legged bodies, without skeletons, registration, or cross-mesh correspondence.

  2. arXiv

    PRISM-Net splits product retrieval into line and color routes, lifting SwinV2 line mAP@10 by 5.74 points

    PRISM-Net splits a product image's holistic features into a line pathway and a color pathway, supervises the two routers zero-shot with frozen SigLIP text prompts, and fuses both with an image-adaptive meta-router. In 5-fold cross-validation over 275,454 e-commerce images in 18 categories and full-scale retrieval of 55,091 queries against a 220,363-image gallery, the SwinV2 backbone gains 5.74 points in line mAP@10, while the color-only configuration gains 9.12 points in color mAP@10; on ConvNeXt-V2 and DINOv3, product retrieval and attribute alignment trade off.

  3. bioRxiv

    JuloVelo assigns each gene a kinetics pattern before training, resolving all five hippocampal neurogenesis branches

    JuloVelo moves gene kinetics pattern identification ahead of neural network training: each gene is first classified as Circle, Complete induction, or Complete repression from its unspliced–spliced RNA relationship, and training starts from pattern-matched pretrained weights, steering cell-specific kinetics away from biologically implausible parameter regimes. Across eight biological datasets spanning erythrogenesis, neurogenesis, and endocrinogenesis, plus simulated data with known kinetics, it was more stable than constant-rate and cell-specific models, was the only method to resolve all five hippocampal neurogenesis branches, and used promoter chromatin accessibility to process multiome data.

  4. arXiv

    BLS refines task vectors at test time, letting zero-shot policies surpass OLS and online adaptation baselines on OGBench, DMC, and HumEnv

    The authors propose BLS, an offline zero-shot task-inference method for Behavioral Foundation Models that starts from an ordinary-least-squares (OLS) task vector and refines it with a soft-margin contrastive loss plus a trust-region loss to reduce both reward reconstruction error and successor-measure mismatch; they prove a suboptimality gap upper bound characterized by successor-measure and reward residuals, and empirically BLS outperforms OLS, ZOL, ReLA, and LoLA on average across five feature representations on OGBench (proprioceptive and pixel observations), 20 DMC tasks, and 45 HumEnv humanoid control tasks, with negligible inference overhead.

  5. arXiv

    OpenTumorBoard benchmarks 14 models on 611 real tumor board cases, with the best reaching only 2.78/5 alignment with actual conclusions

    Researchers curated OpenTumorBoard from 219 recorded tumor board meetings totaling 12,534 minutes of YouTube video, yielding 611 patient cases, 19,157 discussion turns and ten specialist roles, and used it for two tasks—single Specialist Turn responses and full Board Simulation—finding that across 14 general-purpose and medical LLMs the best model reached only 3.43/5 in clinical equivalence and 2.78/5 in alignment with true board conclusions, while supervised finetuning plus reinforcement learning on Qwen2.5-VL-3B raised conclusion alignment from 1.58 to 1.86.

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