Preprint
Aug 2026
ControlRef: Efficient Layout-Guided Multi-Instance Generation via Anchored 4D-RoPE
ControlRef is proposed, a highly efficient and precise multi-instance synthesis framework that achieves state-of-the-art visual fidelity and localization accuracy, while concurrently slashing inference latency by over 80% in sparse layouts and reducing memory overhead by 50% in dense scenarios.
Yun-Kai Yang, Yudong Zhang, Xin-Ying Chen et al.
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