Connecting Language and Vision for Natural Language-Based Vehicle Retrieval

• URL: http://arxiv.org/abs/2105.14897v1
• Date: Mon, 31 May 2021 11:42:03 GMT
• Title: Connecting Language and Vision for Natural Language-Based Vehicle Retrieval
• Authors: Shuai Bai, Zhedong Zheng, Xiaohan Wang, Junyang Lin, Zhu Zhang, Chang Zhou, Yi Yang, Hongxia Yang
• Abstract summary: In this paper, we apply one new modality, i.e., the language description, to search the vehicle of interest. To connect language and vision, we propose to jointly train the state-of-the-art vision models with the transformer-based language model. Our proposed method has achieved the 1st place on the 5th AI City Challenge, yielding competitive performance 18.69% MRR accuracy.
• Score: 77.88818029640977
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Vehicle search is one basic task for the efficient traffic management in terms of the AI City. Most existing practices focus on the image-based vehicle matching, including vehicle re-identification and vehicle tracking. In this paper, we apply one new modality, i.e., the language description, to search the vehicle of interest and explore the potential of this task in the real-world scenario. The natural language-based vehicle search poses one new challenge of fine-grained understanding of both vision and language modalities. To connect language and vision, we propose to jointly train the state-of-the-art vision models with the transformer-based language model in an end-to-end manner. Except for the network structure design and the training strategy, several optimization objectives are also re-visited in this work. The qualitative and quantitative experiments verify the effectiveness of the proposed method. Our proposed method has achieved the 1st place on the 5th AI City Challenge, yielding competitive performance 18.69% MRR accuracy on the private test set. We hope this work can pave the way for the future study on using language description effectively and efficiently for real-world vehicle retrieval systems. The code will be available at https://github.com/ShuaiBai623/AIC2021-T5-CLV.

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