Author

Jinghao Liu

2 papers indexed here

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Preprint Aug 2026

Learning to Ground Before Reading: Unified PCB Engineering Drawing Parsing with Compact Vision-Language Models

PCB engineering drawings mix sparse graphics, dense tables, and text whose meaning depends on page position. Localizing the regions and sending crops to specialized recognizers are determined as the methods for most parsers, so missed regions cannot be recovered downstream. We train a compact VLM to read the full page...

Jinghao Liu, Xing-Run Liu, Geng-Chen Sun et al. · 0 citations

Preprint Aug 2026

Flex-$\pi$: A Multi-Stream World-Action Model with Compute Flexibility

A policy that is exceptionally demonstration-efficient and generalizes well, beating the strongest baselines by up to 2-7$\times$ on dexterous, precise, real-world bimanual manipulation tasks both in and out of distribution, all while running faster than $\pi_{0.5}$.

Ge Yan, Jinghao Liu, Yuzhi Fan et al. · 10 citations · ⚡4