MLLMReID: Multimodal Large Language Model-based Person Re-identification

• URL: http://arxiv.org/abs/2401.13201v3
• Date: Mon, 10 Jun 2024 10:21:19 GMT
• Title: MLLMReID: Multimodal Large Language Model-based Person Re-identification
• Authors: Shan Yang, Yongfei Zhang,
• Abstract summary: Multimodal large language models (MLLM) have achieved satisfactory results in many tasks. This paper will investigate how to adapt them for the task of ReID.
• Score: 14.68436005777866
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: Multimodal large language models (MLLM) have achieved satisfactory results in many tasks. However, their performance in the task of ReID (ReID) has not been explored to date. This paper will investigate how to adapt them for the task of ReID. An intuitive idea is to fine-tune MLLM with ReID image-text datasets, and then use their visual encoder as a backbone for ReID. However, there still exist two apparent issues: (1) Designing instructions for ReID, MLLMs may overfit specific instructions, and designing a variety of instructions will lead to higher costs. (2) When fine-tuning the visual encoder of a MLLM, it is not trained synchronously with the ReID task. As a result, the effectiveness of the visual encoder fine-tuning cannot be directly reflected in the performance of the ReID task. To address these problems, this paper proposes MLLMReID: Multimodal Large Language Model-based ReID. Firstly, we proposed Common Instruction, a simple approach that leverages the essence ability of LLMs to continue writing, avoiding complex and diverse instruction design. Secondly, we propose a multi-task learning-based synchronization module to ensure that the visual encoder of the MLLM is trained synchronously with the ReID task. The experimental results demonstrate the superiority of our method.

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