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Wei Chu

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#artificial intelligence Preprint Sep 2026

Improving OCR Faithfulness via Gated and Attenuated On-Policy Distillation

GAD-RL is introduced, which adaptively regulates teacher supervision during joint post-training according to the student's current task performance and local distributions, and weights forward KL by the student's probability of the teacher's Top-1 token, moderating local auxiliary updates when student support for that...

Bao-De Wang, Zu-Ming Huang, Ke Ren et al. · 0 citations
#natural language process... Preprint Sep 2026

FA-Bench: A Benchmark for Word-Level and Phone-Level Forced-Alignment and ASR Timestamps Under Clean and Noisy Conditions

Forced alignment aligns speech audio with a text transcript to generate word and phone timestamps. Published comparisons normalize transcripts, split the data and match boundaries differently, so their numbers cannot be read together. We present FA-Bench, an open framework that fixes those choices once and releases the...

Wei Chu, Yuan-Zhe Dong, Ke Tan et al. · 0 citations
Jul 2026

Infinity-Parser2 Technical Report

This work presents Infinity-Parser2, a large multimodal model that couples a controllable data-synthesis pipeline with multi-task reinforcement learning for end-to-end document parsing, addressing the persistent scarcity of faithfully annotated parsing corpora.

Zuming Huang, Jun Huang, Kexuan Ren et al. · 1 citation

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