Learning Efficient Representations for Image-Based Patent Retrieval

• URL: http://arxiv.org/abs/2308.13749v1
• Date: Sat, 26 Aug 2023 03:19:14 GMT
• Title: Learning Efficient Representations for Image-Based Patent Retrieval
• Authors: Hongsong Wang and Yuqi Zhang
• Abstract summary: We present a simple and lightweight model for content-based patent retrieval. Our approach significantly outperforms other counterparts on a large-scale benchmark. Our model can be elaborately scaled up to achieve a surprisingly high mAP of 93.5%.
• Score: 16.323708969088557
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Patent retrieval has been attracting tremendous interest from researchers in intellectual property and information retrieval communities in the past decades. However, most existing approaches rely on textual and metadata information of the patent, and content-based image-based patent retrieval is rarely investigated. Based on traits of patent drawing images, we present a simple and lightweight model for this task. Without bells and whistles, this approach significantly outperforms other counterparts on a large-scale benchmark and noticeably improves the state-of-the-art by 33.5% with the mean average precision (mAP) score. Further experiments reveal that this model can be elaborately scaled up to achieve a surprisingly high mAP of 93.5%. Our method ranks first in the ECCV 2022 Patent Diagram Image Retrieval Challenge.

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