Author

Sitong Cheng

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#natural language process... Preprint Sep 2026

COT-TTS: Audio Context-Aware Text-to-Speech with Chain-of-Thought Reasoning

Recently, text-to-speech systems have made significant progress in speech expressiveness and controllability. However, the speaking style of generated speech typically relies on clear user-specified instructions. In natural conversations, speaking style should be naturally inferred from the preceding conversational con...

Wei-Zhen Bian, Si-Tong Cheng, Rongxiu Zhong et al. · 0 citations

Preprint Aug 2026

Failure-Informed Image Self-Augmentation for Multimodal Large Language Model Self-Improvement

FISA is proposed, a framework for MLLM self-improvement that constructs augmented images from the model's own failure cases that generates visually challenging yet answer-preserving image complications, verifies their utility through self-examination, and applies dual fidelity filtering to avoid semantic distortion.

Chun-Yang Jiang, Pingping Zhang, Yuzhi Zhao et al. · 0 citations