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Two-Stage Fine-Grained Ship Recognition with a Detector Guided by Key Regions and a Multi-Patch Joint Classifier.

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Title: Two-Stage Fine-Grained Ship Recognition with a Detector Guided by Key Regions and a Multi-Patch Joint Classifier.
Authors: Wang, Qiantong1,2,3 (AUTHOR), Li, Peifeng1,2 (AUTHOR), Li, Yuan1,2,3 (AUTHOR), Zhang, Lei1,2 (AUTHOR), Niu, Ben1,2 (AUTHOR), Wang, Feng1,2,3 (AUTHOR), Geng, Xiurui1,2,3 (AUTHOR), Zhou, Guangyao1,2 (AUTHOR) zhougy@aircas.ac.cn
Source: Remote Sensing. Mar2026, Vol. 18 Issue 5, p772. 23p.
Subjects: Optical remote sensing, Object recognition (Computer vision)
Abstract: Highlights: What are the main findings? Key regions play a key role in fine-grained ship recognition tasks in optical remote sensing images. Jointly verification on key regions contributes to improving recognition accuracy. What are the implications of the main findings? Key region cognition makes fine-grained ship recognition interpretable. Whole-to-part hypothesis and a verification framework model the cognitive processes of humans. For human beings, fine-grained object recognition is a progressive process that proceeds from global outlines to local details. They can determine how to further focus on the distinctive regions based on the overall context, followed by recognition. To enhance the algorithm's capability to capture critical features, a multi-stage recognition framework, integrated with human-attended key regions for fine-grained ship recognition, is proposed in this manuscript. First, a set of distinctive templates is constructed following human identification logic. On this basis, a supervised attention method, Key Regions Guided Yolo11 (KRGY), with part-to-whole regulation is proposed to help the model focus on critical components, leading to better recognition and location performance. Furthermore, a multi-head joint recognition classification module is proposed, with key regions of ship cropped with the distinctive templates. With the hypothesis and verification framework Key Regions Guided Yolo11-Multi Head Classifier (KRGY-MHC), the accuracy of ship recognition is significantly improved based on a challenging datasets with high inter-class similarity DCL-11. [ABSTRACT FROM AUTHOR]
Copyright of Remote Sensing is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Two-Stage Fine-Grained Ship Recognition with a Detector Guided by Key Regions and a Multi-Patch Joint Classifier.
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  Data: <searchLink fieldCode="JN" term="%22Remote+Sensing%22">Remote Sensing</searchLink>. Mar2026, Vol. 18 Issue 5, p772. 23p.
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  Data: Highlights: What are the main findings? Key regions play a key role in fine-grained ship recognition tasks in optical remote sensing images. Jointly verification on key regions contributes to improving recognition accuracy. What are the implications of the main findings? Key region cognition makes fine-grained ship recognition interpretable. Whole-to-part hypothesis and a verification framework model the cognitive processes of humans. For human beings, fine-grained object recognition is a progressive process that proceeds from global outlines to local details. They can determine how to further focus on the distinctive regions based on the overall context, followed by recognition. To enhance the algorithm's capability to capture critical features, a multi-stage recognition framework, integrated with human-attended key regions for fine-grained ship recognition, is proposed in this manuscript. First, a set of distinctive templates is constructed following human identification logic. On this basis, a supervised attention method, Key Regions Guided Yolo11 (KRGY), with part-to-whole regulation is proposed to help the model focus on critical components, leading to better recognition and location performance. Furthermore, a multi-head joint recognition classification module is proposed, with key regions of ship cropped with the distinctive templates. With the hypothesis and verification framework Key Regions Guided Yolo11-Multi Head Classifier (KRGY-MHC), the accuracy of ship recognition is significantly improved based on a challenging datasets with high inter-class similarity DCL-11. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Remote Sensing is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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              Text: Mar2026
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