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Academic · 1 min

On the Cone Effect and Modality Gap in Medical Vision-Language Embeddings

arXiv:2603.17246v1 Announce Type: new Abstract: Vision-Language Models (VLMs) exhibit a characteristic "cone effect" in which nonlinear encoders map embeddings into highly concentrated regions of the …

David Restrepo, Miguel L Martins, Chenwei Wu, Luis Filipe Nakayama, Diego M Lopez, Stergios Christodoulidis, Maria Vakalopoulou, Enzo Ferrante
11 views
Academic · 1 min

Classifier Pooling for Modern Ordinal Classification

arXiv:2603.17278v1 Announce Type: new Abstract: Ordinal data is widely prevalent in clinical and other domains, yet there is a lack of both modern, machine-learning based …

Noam H. Rotenberg, Andreia V. Faria, Brian Caffo
17 views
Academic · 1 min

Beyond Outliers: A Data-Free Layer-wise Mixed-Precision Quantization Approach Driven by Numerical and Structural Dual-Sensitivity

arXiv:2603.17354v1 Announce Type: new Abstract: Layer-wise mixed-precision quantization (LMPQ) enables effective compression under extreme low-bit settings by allocating higher precision to sensitive layers. However, existing …

Hengyuan Zhang, Xinrong Chen, Zunhai Su, Xiao Liang, Jing Xiong, Wendong Xu, He Xiao, Chaofan Tao, Wei Zhang, Ruobing Xie, Lei Jiang, Hayden Kwok-Hay So, Ngai Wong
10 views
Academic · 1 min

Efficient Exploration at Scale

arXiv:2603.17378v1 Announce Type: new Abstract: We develop an online learning algorithm that dramatically improves the data efficiency of reinforcement learning from human feedback (RLHF). Our …

Seyed Mohammad Asghari, Chris Chute, Vikranth Dwaracherla, Xiuyuan Lu, Mehdi Jafarnia, Victor Minden, Zheng Wen, Benjamin Van Roy
13 views