collaborators

6 papers

cs.SD2026

AuDirector: A Self-Reflective Closed-Loop Framework for Immersive Audio Storytelling

Yiming Ren, Xuenan Xu, Ziyang Zhang +3

Despite advances in text and visual generation, creating coherent long-form audio narratives remains challenging. Existing frameworks often exhibit limitations such as mismatched c…

cs.SD2026

HoliAntiSpoof: Audio LLM for Holistic Speech Anti-Spoofing

Xuenan Xu, Yiming Ren, Liwei Liu +5

Recent advances in speech synthesis and editing have made speech spoofing increasingly challenging. However, most existing methods treat spoofing as binary classification, overlook…

astro-ph.IM2025

Photo- Estimation with Normalizing Flow

Yiming Ren, Kwan Chuen Chan, Le Zhang +6

Accurate photometric redshift (photo-) estimation is a key challenge in cosmology, as uncertainties in photo- directly limit the scientific return of large-scale structure an…

cs.SD2025

Can Audio Large Language Models Verify Speaker Identity?

Yiming Ren, Xuenan Xu, Baoxiang Li +2

This paper investigates adapting Audio Large Language Models (ALLMs) for speaker verification (SV). We reformulate SV as an audio question-answering task and conduct comprehensive…

eess.IV2025

Robust Residual Finite Scalar Quantization for Neural Compression

Xiaoxu Zhu, Dongchuan Ran, Yiming Ren +1

Finite Scalar Quantization (FSQ) offers simplified training but suffers from residual magnitude decay in multi-stage settings, where subsequent stages receive exponentially weaker…

cs.CV2025

Debiasing Multimodal Large Language Models via Noise-Aware Preference Optimization

Zefeng Zhang, Hengzhu Tang, Jiawei Sheng +6

Multimodal Large Language Models excel in various tasks, yet often struggle with modality bias, where the model tends to rely heavily on a single modality and overlook critical inf…