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Kaipeng Zhang

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#artificial intelligence Preprint Sep 2026

KaiNinja: Extending Native 3D Generators to the Part Level

KaiNinja, a part-level extension of TRELLIS.2 built on a dual-volume form of its O-Voxel representation, is the first 3D generative model trained on agent-authored part data and finds that whole-object fidelity improves over the same backbone fine-tuned on the same dataset.

Rui-Han Yu, Lian Fu, Mu-Yao Niu et al. · 0 citations
Preprint Sep 2026

WorldSculpt: Generating Compositional Worlds from Grounded Videos

This work shows that complex scenes with hundreds of objects can instead be generated compositionally by adapting a strong single-object 3D generative prior to multi-view observations, and introduces UE-MeshyScene, a photorealistic benchmark of densely cluttered scenes with hundreds of objects, per-object annotations,...

Mu-Yao Niu, Ji-Xuan He, Rui-Han Yu et al. · 1 citation · ⚡1
Jul 2026

Generative World Renderer at the Speed of Play

AlayaRenderer-Flash is introduced, a real-time-oriented generative forward world renderer that pushes AlayaRenderer from 0.56 FPS to 31.54 FPS, reaching the speed of play.

Gui-Xu Lin, Zheng-Hui Huang, Si-Qi Yang et al. · 2 citations
Jul 2026

From Pixels to States: Rethinking Interactive World Models as Game Engines

Building interactive worlds that respond coherently to player actions has long been a shared goal of computer graphics, games, and artificial intelligence. Recent video generative models provide a data-driven route toward this goal by predicting future observations conditioned on user actions, and are increasingly rega...

Zhen Li, Zian Meng, Shuwei Shi et al. · 2 citations
Preprint Aug 2026

Agentic Game Development as a Verifiable Trajectory Data Engine for Scaling World Models

This work proposes Reinforcement Learning with Human-Engine Verification (RLHEV), a post-training paradigm that combines dense engine signals with implicit human acceptance feedback from the development process to support RL post-training.

P. Zhou, Hesong Wang, Zhengfeiyang Zhang et al. · 1 citation
Jul 2026

Evidence-Grounded AI for Musculoskeletal Care

OrthoPilot is a clinical artificial intelligence system powered by a large language model (LLM) that integrates hospital data streams with authoritative external knowledge for continuous musculoskeletal care and autonomously retrieves real-time imaging, laboratory, pathology and order data and translates evolving patie...

Wenjie Li, Yu-Jie Zhang, Fanrui Zhang et al. · 0 citations
Jul 2026

AlayaWorld: Long-Horizon and Playable Video World Generation

AlayaWorld enables open-ended real-time interaction, allowing users to freely navigate and perform diverse actions such as combat, spell casting, and monster summoning, and the framework unifies the complete development-from data preparation model architecture, model training, inference acceleration, and deployment-wit...

AlayaWorld Team, Kaipeng Zhang, Chuanhao Li et al. · 1 citation
Jul 2026

Surprise Forcing: What to Remember, When to Skip in Long Video Generation

This work introduces Surprise Forcing, a training-free framework that treats both limitations as online resource-allocation problems and improves long-horizon consistency and visual quality while retaining real-time streaming throughput.

Shuwei Shi, Zhen Li, Mu-Yao Niu et al. · 1 citation
Preprint Aug 2026

Sekai2: From World Exploration to Interactive World Modeling

Sekai2 is introduced, a multi-source real-world video dataset that carries the world-exploration footage of Sekai toward interactive world modeling, and Corpus-scale analyses demonstrate complete pose-and-caption coverage, broad geographic and semantic diversity, varied camera trajectories, and highly non-redundant tem...

Kang He, Wen-Shuo Peng, Zi-Hui Gao et al. · 2 citations · ⚡1
Preprint Aug 2026

Marionette: Predicting World States, Rendering Geometry, Painting Appearance

This work explicitly model the evolving world state, delegate exact geometric computation to a fixed, zero-parameter renderer, and leave the neural model to synthesize appearance, establishing two properties of Marionette, a world model for interactive games with articulated characters that is directly controllable.

Zian Meng, Zhen Li, Chuan-Hao Li et al. · 3 citations

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