Author

Jiyang Tan

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Preprint Aug 2026

Test-time Reinforcement Learning for Anomalous Video Understanding

Anomalous video understanding aims to identify abnormal events in videos and interpret their semantic meanings beyond simple anomaly detection. Recent video large language models (Video-LLMs) have demonstrated promising zero-shot capabilities for this task, yet their performance remains limited due to insufficient adap...

Hui-Ning Li, Yu-Xiang Duan, Ji-Yang Tan et al. · 0 citations

#natural language process... Preprint Aug 2026

GUIDE: Generative Unsupervised Chinese Query Correction via Phonetic and Visual Shared-ID Encoding

A generative unsupervised framework for CQC based on a confuse-then-clarify paradigm that encodes phonetically or visually confusable characters with shared-IDs and reconstructs the original query with an encoder--decoder architecture, which constrains correction to plausible confusion neighborhoods while learning from...

Lei Yang, Bin-Bin Huang, Jiyang Tan et al. · 0 citations

Preprint Aug 2026

KnowHal: A Knowledge-Driven Benchmark for Comprehensive Multimodal Hallucination Evaluation

By unifying four hallucination dimensions with paired question design, KnowHal addresses an important gap in existing evaluation frameworks and enables a more comprehensive assessment of hallucinations in MLLMs.

Ruihan Li, Ji-Yang Tan, Kai-Lin Jiang et al. · 1 citation