Author

Si-Qi Fan

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Jul 2026

Action-Conditioned World Model for Goal Plane Probe Guidance in Robotic Ultrasound

We present an action-conditioned world model framework for goal plane probe guidance in robotic ultrasound, with a focus on neck ultrasound scanning. Autonomous ultrasound tasks often require large numbers of probe-motion trajectories for training, but collecting high-quality demonstrations is labor-intensive and expli...

Si-Qi Fan, Mingcong Chen, Rang Liu et al. · arXiv.org · 0 citations

#natural language process... Review Sep 2026

Alignment by Stereotyping: How LLMs Sacrifice Individual Distinctiveness for Cultural Adaptation

Large language models are increasingly deployed for personalized interaction, and demographic conditioning via user profiles is a widely adopted strategy for cultural adaptation. We ask whether this approach genuinely serves individual users or achieves accuracy by erasing individual distinctiveness. Studying seven mod...

Qishuai Zhong, Zongmin Li, Si-Qi Fan et al. · 0 citations