collaborators

9 papers

eess.AS2026

VIB-AVSR: Variational Information Bottleneck for Noise-Robust LLM-Based Audio-Visual Speech Recognition

Piyush Arora, Navlika Singh, Umberto Cappellazzo +2

Audio-Visual Speech Recognition takes two input modalities, acoustic and visual streams, where visual information from lip movements aids recognition when audio is noisy. Recently,…

eess.AS2026

MambAdapter: Lightweight Mamba-Based Adapters for Parameter-Efficient Transfer Learning in Speech and Audio

Salman Hussain Ali, Umberto Cappellazzo, Mirco Ravanelli

Fine-tuning Transformer-based foundation models has become the dominant strategy for domain adaptation in audio and speech processing. To reduce the computational and memory costs…

eess.AS2026

Dr. SHAP-AV: Decoding Relative Modality Contributions via Shapley Attribution in Audio-Visual Speech Recognition

Umberto Cappellazzo, Stavros Petridis, Maja Pantic

Audio-Visual Speech Recognition (AVSR) leverages both acoustic and visual information for robust recognition under noise. However, how models balance these modalities remains uncle…

eess.AS2026

Mitigating Attention Sinks and Massive Activations in Audio-Visual Speech Recognition with LLMs

Anand, Umberto Cappellazzo, Stavros Petridis +1

Large language models (LLMs) have recently advanced auditory speech recognition (ASR), visual speech recognition (VSR), and audio-visual speech recognition (AVSR). However, underst…

eess.AS2026

Omni-AVSR: Towards Unified Multimodal Speech Recognition with Large Language Models

Umberto Cappellazzo, Xubo Liu, Pingchuan Ma +2

Large language models (LLMs) have recently achieved impressive results in speech recognition across multiple modalities, including Auditory Speech Recognition (ASR), Visual Speech…

eess.AS2025

MoME: Mixture of Matryoshka Experts for Audio-Visual Speech Recognition

Umberto Cappellazzo, Minsu Kim, Pingchuan Ma +4

Large language models (LLMs) have recently shown strong potential in audio-visual speech recognition (AVSR), but their high computational demands and sensitivity to token granulari…