Publications
A collection of my research work.
PrefBench: Evaluating Zero-Shot LLM Agents in Hidden-Preference Personalized Pricing Negotiations
Yingjie Lei
arXiv, 2026
A benchmark for evaluating zero-shot LLM agents in multi-round pricing negotiations with hidden buyer preferences.
Draft-and-Target Sampling for Video Generation Policy
Qikang Zhang, Yingjie Lei, Wei Liu, Daochang Liu
arXiv, 2026
A training-free acceleration method for diffusion-based video generation policies, evaluated on robotic manipulation and embodied control benchmarks.
Test time training for 4D medical image interpolation
Qikang Zhang*, Yingjie Lei*, Zihao Zheng, Ziyang Chen, Zhonghao Xie* Equal contribution
IJCNN, 2025
A self-supervised test-time adaptation framework for robust 4D medical image interpolation under distribution shift.