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Neural Netw


Title:Attentional feature pyramid network for small object detection
Author(s):Min K; Lee GH; Lee SW;
Address:"Department of Brain and Cognitive Engineering, Korea University, Anam-dong, Seongbuk-gu, Seoul 02841, Republic of Korea. Department of Computer and Radio Communications Engineering, Korea University, Anam-dong, Seongbuk-gu, Seoul 02841, Republic of Korea. Department of Artificial Intelligence, Korea University, Anam-dong, Seongbuk-gu, Seoul 02841, Republic of Korea. Electronic address: sw.lee@korea.ac.kr"
Journal Title:Neural Netw
Year:2022
Volume:20220905
Issue:
Page Number:439 - 450
DOI: 10.1016/j.neunet.2022.08.029
ISSN/ISBN:1879-2782 (Electronic) 0893-6080 (Linking)
Abstract:"Recent state-of-the-art detectors generally exploit the Feature Pyramid Networks (FPN) due to its advantage of detecting objects at different scales. Despite significant advances in object detection owing to the design of feature pyramids, it is still challenging to detect small objects with low resolution and dense distribution in complex scenes. To address these problems, we propose Attentional Feature Pyramid Network, a new feature pyramid architecture named AFPN which consists of three components to enhance the small object detection ability, specifically: Dynamic Texture Attention, Foreground-Aware Co-Attention, and Detail Context Attention. First, Dynamic Texture Attention augments the texture features dynamically by filtering out redundant semantics to highlight small objects in lower layers and amplifying credible details to emphasize large objects in higher layers. Then, Foreground-Aware Co-Attention is explored to detect densely arranged small objects by enhancing the objects feature via foreground-correlated contexts and suppressing the background noise. Finally, to better capture the features of small objects, Detail Context Attention adaptively aggregates detail cues of RoI features with different scales for a more accurate feature representation. By substituting FPN with AFPN in Faster R-CNN, our method performs on par with the state-of-the-art performance on Tsinghua-Tencent 100K. Furthermore, we achieve highly competitive results on small category of both PASCAL VOC and MS COCO"
Keywords:*Volatile Organic Compounds Attention Cues Attention mechanism Feature pyramid network Object detection Small object detection;
Notes:"MedlineMin, Kyungseo Lee, Gun-Hee Lee, Seong-Whan eng 2022/09/23 Neural Netw. 2022 Nov; 155:439-450. doi: 10.1016/j.neunet.2022.08.029. Epub 2022 Sep 5"

 
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