StressDream: Steering Video World Models
for Robust Policy Evaluation and Improvement
Conference on Robot Learning (CoRL) 2026
1 Carnegie Mellon University
2 NVIDIA Research
3 University of Washington
4 Stanford University
We present StressDream, an inference-time method that optimizes diffusion noise to steer video world models toward plausible, high-impact outcomes — enabling robust evaluation and improvement of robotic policies.
