arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2406.15768cs.CV

MR-MLLM:多模态理解与视觉感知的相互增强

MR-MLLM: Mutual Reinforcement of Multimodal Comprehension and Vision Perception

School of Computer Science, Peking University(北京大学计算机学院);Shanghai AI Lab(上海人工智能实验室)

Guanqun Wang, Xinyu Wei, Jiaming Liu, Ray Zhang, Yichi Zhang, Kevin Zhang, Maurice Chong, Shanghang Zhang

AI总结:

针对多模态大语言模型细粒度视觉理解弱、视觉感知模型易受开放世界分布偏移影响的问题,提出MR-MLLM框架,通过三类机制协同增强两类能力,在相关任务上取得更优表现。

摘要:

近年来,多模态大语言模型(MLLMs)在视觉问答、常识推理等任务中展现出卓越能力,而视觉感知模型也在检测、分割等感知任务中取得了长足进展。然而,MLLMs主要聚焦于高层图像-文本解读,在细粒度视觉理解方面存在短板;视觉感知模型则因模型容量有限,通常面临开放世界分布偏移的问题。为应对这些挑战,我们提出了相互增强型多模态大语言模型(Mutually Reinforced Multimodal Large Language Model,MR-MLLM)——一种协同提升视觉感知与多模态理解的新型框架。首先,我们提出共享查询融合机制,将视觉模型输出的精细化视觉输入与语言模型的语言深度相协调,协同增强多模态理解与视觉感知能力。其次,我们提出感知增强的跨模态整合方法,引入视觉感知输出的新型模态信息(如目标检测边界框)以捕捉细微视觉元素,从而丰富对视觉与文本数据的理解。此外,我们还提出了创新的感知嵌入提示生成机制,将感知信息嵌入语言模型的提示中,使响应在上下文与感知层面实现对齐,以获得更准确的多模态解读。大量实验表明,MR-MLLM在各类多模态理解与视觉感知任务中表现优异,尤其是在需要处理极端情况视觉感知与细粒度语言理解的任务中优势显著。

英文摘要:

In recent years, multimodal large language models (MLLMs) have shown remarkable capabilities in tasks like visual question answering and common sense reasoning, while visual perception models have made significant strides in perception tasks, such as detection and segmentation. However, MLLMs mainly focus on high-level image-text interpretations and struggle with fine-grained visual understanding, and vision perception models usually suffer from open-world distribution shifts due to their limited model capacity. To overcome these challenges, we propose the Mutually Reinforced Multimodal Large Language Model (MR-MLLM), a novel framework that synergistically enhances visual perception and multimodal comprehension. First, a shared query fusion mechanism is proposed to harmonize detailed visual inputs from vision models with the linguistic depth of language models, enhancing multimodal comprehension and vision perception synergistically. Second, we propose the perception-enhanced cross-modal integration method, incorporating novel modalities from vision perception outputs, like object detection bounding boxes, to capture subtle visual elements, thus enriching the understanding of both visual and textual data. In addition, an innovative perception-embedded prompt generation mechanism is proposed to embed perceptual information into the language model's prompts, aligning the responses contextually and perceptually for a more accurate multimodal interpretation. Extensive experiments demonstrate MR-MLLM's superior performance in various multimodal comprehension and vision perception tasks, particularly those requiring corner case vision perception and fine-grained language comprehension.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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