Meerkat: Audio-Visual Large Language Model for Grounding in Space and Time
On the map: Multimodal LLMs / vision-language models → Video understanding with MLLMs
Abstract (arXiv)
Leveraging Large Language Models' remarkable proficiency in text-based tasks, recent works on Multi-modal LLMs (MLLMs) extend them to other modalities like vision and audio. However, the progress in these directions has been mostly focused on tasks that only require a coarse-grained understanding of the audio-visual semantics. We present Meerkat, an audio-visual LLM equipped with a fine-grained understanding of image and audio both spatially and temporally. With a new modality alignment module based on optimal transport and a cross-attention module that enforces audio-visual consistency, Meerkat can tackle challenging tasks such as audio referred image grounding, image guided audio temporal localization, and audio-visual fact-checking. Moreover, we carefully curate a large dataset AVFIT that comprises 3M instruction tuning samples collected from open-source datasets, and introduce MeerkatBench that unifies five challenging audio-visual tasks. We achieve state-of-the-art performance on all these downstream tasks with a relative improvement of up to 37.12%.
Key facts. Cited by 26 papers in the map (data through 7 Oct 2026). Placed in Video understanding with MLLMs, one of 16 directions in Multimodal LLMs / vision-language models. Builds on 98 of its 120 references that are in the map. First posted on arXiv 1 Jul 2024.
Builds on
98 of 120 references.
Closest ancestors · 3
Same direction, newest first
- 2023Audio-Visual LLM for Video Understanding11 Dec
- 2023TimeChat: A Time-sensitive Multimodal Large Language Model for Long Video Understanding4 Dec
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