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Libra: Building Decoupled Vision System on Large Language Models

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abstract

In this work, we introduce Libra, a prototype model with a decoupled vision system on a large language model (LLM). The decoupled vision system decouples inner-modal modeling and cross-modal interaction, yielding unique visual information modeling and effective cross-modal comprehension. Libra is trained through discrete auto-regressive modeling on both vision and language inputs. Specifically, we incorporate a routed visual expert with a cross-modal bridge module into a pretrained LLM to route the vision and language flows during attention computing to enable different attention patterns in inner-modal modeling and cross-modal interaction scenarios. Experimental results demonstrate that the dedicated design of Libra achieves a strong MLLM baseline that rivals existing works in the image-to-text scenario with merely 50 million training data, providing a new perspective for future multimodal foundation models. Code is available at https://github.com/YifanXu74/Libra.

fields

cs.LG 1

years

2025 1

verdicts

CONDITIONAL 1

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  • Pilot: Building the Federated Multimodal Instruction Tuning Framework cs.LG · 2025-01-23 · conditional · none · ref 42 · internal anchor

    Pilot is a federated multimodal instruction tuning framework that combines task-specific and client-specific adapters with a cross-task mixture-of-adapters module and Euclidean-distance-based text adapter aggregation.