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Yi-Ting Chen

2 papers indexed

arxivcs.CV2026-07-01

ECoSim: Data Efficient Fine-Tuning for Controllable Traffic Simulation

Yu-Hsiang Chen, Wei-Jer Chang, Yi-Ting Chen, Masayoshi Tomizuka

Controllable traffic simulation is critical for testing autonomous driving systems, yet existing approaches often require retraining large generative models with extensive annotated data. We introduce a lightweight control adaptation framework that enables multi-modal controllabi…

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arxivcs.RO2026-06-26

Direct Action-Head Injection of A Grounded 3D Point Unlocks Spatial and Task Generalization

Shiang-Feng Tsai, Jin-Cheng Jhang, Yen-Ling Tai, Jia-Hong Lai, Shih-Yun Wong, KangTung-Hsu, et al.

Vision-Language-Action (VLA) models leverage large-scale vision-language pretraining for flexible robot manipulation, yet at test time they remain brittle along two axes: spatial generalization, when object positions differ from those seen during training, and task generalization…

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