UniReal: Universal Image Generation and Editing via Learning Real-world Dynamics

Xi Chen; Zhifei Zhang; He Zhang; Yuqian Zhou; Soo Ye Kim; Qing Liu; Yijun Li; Jianming Zhang; Nanxuan Zhao; Yilin Wang; Hui Ding; Zhe Lin; Hengshuang Zhao

arXiv · 2412.07774

UniReal: Universal Image Generation and Editing via Learning Real-world Dynamics

Xi Chen·Zhifei Zhang·He Zhang·Yuqian Zhou·Soo Ye Kim·Qing Liu·Yijun Li·Jianming Zhang·Nanxuan Zhao·Yilin Wang·Hui Ding·Zhe Lin·Hengshuang Zhao

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Abstract

We introduce UniReal, a unified framework designed to address various image generation and editing tasks. Existing solutions often vary by tasks, yet share fundamental principles: preserving consistency between inputs and outputs while capturing visual variations. Inspired by recent video generation models that effectively balance consistency and variation across frames, we propose a unifying approach that treats image-level tasks as discontinuous video generation. Specifically, we treat varying numbers of input and output images as frames, enabling seamless support for tasks such as image generation, editing, customization, composition, etc. Although designed for image-level tasks, we leverage videos as a scalable source for universal supervision. UniReal learns world dynamics from large-scale videos, demonstrating advanced capability in handling shadows, reflections, pose variation, and object interaction, while also exhibiting emergent capability for novel applications.

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Xi Chen, Zhifei Zhang, He Zhang, Yuqian Zhou, Soo Ye Kim, Qing Liu, Yijun Li, Jianming Zhang, Nanxuan Zhao, Yilin Wang, Hui Ding, Zhe Lin, Hengshuang Zhao. 2024-12-11. UniReal: Universal Image Generation and Editing via Learning Real-world Dynamics. https://arxiv.org/abs/2412.07774

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