Vehicle Target Recognition in SAR Images with Complex Scenes Based on Mixed Attention Mechanism

被引:3
作者
Tang, Tao [1 ]
Cui, Yuting [2 ]
Feng, Rui [3 ]
Xiang, Deliang [3 ]
机构
[1] Natl Univ Def Technol, Coll Elect Sci & Technol, Changsha 410073, Peoples R China
[2] Ceyear Technol Co Ltd, Qingdao 266555, Peoples R China
[3] Beijing Univ Chem Technol, Coll Informat Sci & Technol, Beijing 100013, Peoples R China
关键词
mixed attention mechanism; MA-MobileNetV2; vehicle target recognition; synthetic aperture radar (SAR); CLASSIFICATION; CNN;
D O I
10.3390/info15030159
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
With the development of deep learning in the field of computer vision, convolutional neural network models and attention mechanisms have been widely applied in SAR image target recognition. The improvement of convolutional neural network attention in existing SAR image target recognition focuses on spatial and channel information but lacks research on the relationship and recognition mechanism between spatial and channel information. In response to this issue, this article proposes a hybrid attention module and introduces a Mixed Attention (MA) mechanism module in the MobileNetV2 network. The proposed MA mechanism fully considers the comprehensive calculation of spatial attention (SPA), channel attention (CHA), and coordinated attention (CA). It can input feature maps for comprehensive weighting to enhance the features of the regions of interest, in order to improve the recognition rate of vehicle targets in SAR images.The superiority of our algorithm was verified through experiments on the MSTAR dataset.
引用
收藏
页数:18
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