World-R1: Reinforcing 3D Constraints for Text-to-Video Generation

Fuente: arXiv
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Main Authors: Wang, Weijie, He, Xiaoxuan, Gu, Youping, Yang, Yifan, Zhang, Zeyu, He, Yefei, Ding, Yanbo, Hu, Xirui, Chen, Donny Y., He, Zhiyuan, Yang, Yuqing, Zhuang, Bohan
Format: Preprint
Published: 2026
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author Wang, Weijie
He, Xiaoxuan
Gu, Youping
Yang, Yifan
Zhang, Zeyu
He, Yefei
Ding, Yanbo
Hu, Xirui
Chen, Donny Y.
He, Zhiyuan
Yang, Yuqing
Zhuang, Bohan
author_facet Wang, Weijie
He, Xiaoxuan
Gu, Youping
Yang, Yifan
Zhang, Zeyu
He, Yefei
Ding, Yanbo
Hu, Xirui
Chen, Donny Y.
He, Zhiyuan
Yang, Yuqing
Zhuang, Bohan
contents Recent video foundation models demonstrate impressive visual synthesis but frequently suffer from geometric inconsistencies. While existing methods attempt to inject 3D priors via architectural modifications, they often incur high computational costs and limit scalability. We propose World-R1, a framework that aligns video generation with 3D constraints through reinforcement learning. To facilitate this alignment, we introduce a specialized pure text dataset tailored for world simulation. Utilizing Flow-GRPO, we optimize the model using feedback from pre-trained 3D foundation models and vision-language models to enforce structural coherence without altering the underlying architecture. We further employ a periodic decoupled training strategy to balance rigid geometric consistency with dynamic scene fluidity. Extensive evaluations reveal that our approach significantly enhances 3D consistency while preserving the original visual quality of the foundation model, effectively bridging the gap between video generation and scalable world simulation.
format Preprint
id arxiv_https___arxiv_org_abs_2604_24764
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle World-R1: Reinforcing 3D Constraints for Text-to-Video Generation
Wang, Weijie
He, Xiaoxuan
Gu, Youping
Yang, Yifan
Zhang, Zeyu
He, Yefei
Ding, Yanbo
Hu, Xirui
Chen, Donny Y.
He, Zhiyuan
Yang, Yuqing
Zhuang, Bohan
Computer Vision and Pattern Recognition
Recent video foundation models demonstrate impressive visual synthesis but frequently suffer from geometric inconsistencies. While existing methods attempt to inject 3D priors via architectural modifications, they often incur high computational costs and limit scalability. We propose World-R1, a framework that aligns video generation with 3D constraints through reinforcement learning. To facilitate this alignment, we introduce a specialized pure text dataset tailored for world simulation. Utilizing Flow-GRPO, we optimize the model using feedback from pre-trained 3D foundation models and vision-language models to enforce structural coherence without altering the underlying architecture. We further employ a periodic decoupled training strategy to balance rigid geometric consistency with dynamic scene fluidity. Extensive evaluations reveal that our approach significantly enhances 3D consistency while preserving the original visual quality of the foundation model, effectively bridging the gap between video generation and scalable world simulation.
title World-R1: Reinforcing 3D Constraints for Text-to-Video Generation
topic Computer Vision and Pattern Recognition
url https://arxiv.org/abs/2604.24764