TARS: Timestep-Aware Data Scaling for 3D-Free Video Re-Shooting

Jiwen Liu^1*, Shujuan Li^12*, Xiaohan Li¹, Zijie Meng¹³, Xinyue Liu¹, Yulong Xu¹, Yan Zhou^1†, Guoxin Zhang¹
(*Equal contribution, †Corresponding author)

¹Kling Team, Kuaishou Technology, ²Tsinghua University, ³Peking University

TL;DR: We propose TARS to re-shoot the source video with target camera trajectories and viewpoints.

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@article{liu2026tars,
  title={TARS: Timestep-Aware Data Scaling for 3D-Free Video Re-Shooting},
  author={Liu, Jiwen and Li, Shujuan and Li, Xiaohan and Meng, Zijie and Liu, Xinyue and Xu, yulong and Zhou, Yan and Zhang, Guoxin}‘
  year={2026}
}