Papers by Wen Yu Chang
VisTW: Benchmarking Vision-Language Models for Taiwanese Mandarin in Taiwan (2026.findings-acl)
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| Challenge: | Vision-Language Models (VLMs) struggle in Taiwanese Mandarin environments due to region-specific orthographic and cultural context. |
| Approach: | They propose a human-grounded purity penalty for character mixing under Taiwanese-Mandarin-style prompts. |
| Outcome: | The proposed model outperforms the strongest open-weight baseline by 22 percentage points on dialogue tasks. |