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Umberto Cappellazzo

6 accepted papers

2026

MITIGATING ATTENTION SINKS AND MASSIVE ACTIVATIONS IN AUDIO-VISUAL SPEECH RECOGNITION WITH LLMS

ICASSP 2026poster

Large language models (LLMs) have recently advanced auditory speech recognition (ASR), visual speech recognition (VSR), and audio-visual speech recognition (AVSR). However, understanding of their internal dynamics under fine-tuning remains limited. In natural language processing, recent work has rev…

Cited by 0SourcePDFScholar
2026

OMNI-AVSR: TOWARDS UNIFIED MULTIMODAL SPEECH RECOGNITION WITH LARGE LANGUAGE MODELS

ICASSP 2026poster

Large language models (LLMs) have recently achieved impressive results in speech recognition across multiple modalities, including Auditory Speech Recognition (ASR), Visual Speech Recognition (VSR), and Audio-Visual Speech Recognition (AVSR). Despite this progress, current LLM-based approaches typic…

Cited by 0SourcePDFScholar
2025

Large Language Models are Strong Audio-Visual Speech Recognition Learners

ICASSP 2025accepted

Multimodal large language models (MLLMs) have recently become a focal point of research due to their formidable multimodal understanding capabilities. For example, in the audio and speech domains, an LLM can be equipped with (automatic) speech recognition (ASR) abilities by just concatenating the au…

Cited by 0SourceScholar
2025

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

NeurIPS 2025poster

Large language models (LLMs) have recently shown strong potential in audio-visual speech recognition (AVSR), but their high computational demands and sensitivity to token granularity limit their practicality in resource-constrained settings. Token compression methods can reduce inference cost, but t…

Cited by 0SourceScholar
2024

Continual Contrastive Spoken Language Understanding

ACL 2024findings

Recently, neural networks have shown impressive progress across diverse fields, with speech processing being no exception. However, recent breakthroughs in this area require extensive offline training using large datasets and tremendous computing resources. Unfortunately, these models struggle to re…

Cited by 2SourcePDFScholar
2024

Improving Continual Learning of Acoustic Scene Classification via Mutual Information Optimization

ICASSP 2024accepted

Continual learning, which aims to incrementally accumulate knowledge, has been an increasingly significant but challenging research topic for deep models that are prone to catastrophic forgetting. In this paper, we propose a novel replay-based continual learning approach in the context of class-incr…

Cited by 0SourceScholar