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
IJCNN, 2025
A self-supervised test-time adaptation framework for robust 4D medical image interpolation under distribution shift.