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X. Dai

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#artificial intelligence Preprint Oct 2026

SpatialASM: Internalizing Active Mentalization for Spatial Reasoning

When solving complex spatial reasoning tasks, ordinary humans naturally revisit the scenes from task-relevant viewpoints and mentally reconstruct the spatial layouts from those viewpoints. But can Large Vision-Language Models (LVLMs) proactively think in the same way? We term this ability Active Spatial Mentalization (...

Yuhong Liu, Shen-Xi Wu, Jun-Yi Chi et al. · 0 citations
#artificial intelligence Preprint Oct 2026

ResOPD: Tail Residualization for Sparse On-Policy Distillation

On-policy distillation (OPD) trains a student model on self-generated trajectories, but transmitting dense teacher distributions across long reasoning traces creates prohibitive communication and memory bottlenecks. Practical systems therefore rely on sparse teacher interfaces, typically transmitting either the sampled...

Peng-Hui Yang, Long Xing, Xuan-Lang Dai et al. · 0 citations
Preprint Aug 2026

HPSD: Hybrid-Policy Self-Distillation for Text-Image-to-Video Diffusion Models

This work proposes Hybrid-Policy Self-Distillation (HPSD), a novel self-distillation framework where a single TI2V model acts as both teacher and student under different conditions: the teacher operates in TI2V mode with a high-quality first frame and an enhanced prompt, while the student runs in the base T2V mode with...

Jia-Zi Bu, Peng-Yang Ling, Yu-Jie Zhou et al. · 2 citations
Review Aug 2026

Intern-S2-Preview: Scientific Agentic Foundation Model

Evaluations across scientific, multimodal, agentic, and general-purpose benchmarks show that Intern-S2-Preview-397B achieves competitive or leading results in multiple settings.

Lei Bai, Jiaqi Cao, Chiyu Chen et al. · 3 citations

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