1.重庆邮电大学通信与信息工程学院,重庆 400065
2.信号与信息处理重庆市重点实验室,重庆 400065
3.移动通信教育部工程研究中心,重庆 400065
[ "梁燕 女,1977年生,重庆人.于重庆邮电大学获硕士学位.现任重庆邮电大学通信与信息工程学院副教授、硕士生导师.主要研究方向为移动通信、物联网AI、图像处理. E-mail: liangyan@cqupt.edu.cn" ]
[ "易春霞 女,1996年生,重庆人.现为重庆邮电大学通信与信息工程学院硕士研究生.主要研究方向为计算机视觉、AI图像处理. E-mail: 1638362782@qq.com" ]
[ "王光宇 男,1964年生,贵州人.于德国基尔大学获博士学位.现任重庆邮电大学海外特聘教授,就职于德国英飞凌半导体公司.主要研究方向为5G/6G移动通信、AI人工智能. E-mail: wangguangyu@cqupt.edu.cn" ]
[ "胡跃辉 男,2002年生,重庆人.现为重庆邮电大学通信与信息工程学院本科生,参与重庆邮电大学本科生科研训练计划.主要研究方向为AI图像处理.E-mail: 2372230575@qq.com" ]
收稿:2022-05-05,
修回:2022-11-24,
纸质出版:2023-11-25
移动端阅览
梁燕,易春霞,王光宇等.基于多尺度语义编解码网络的遥感图像语义分割[J].电子学报,2023,51(11):3199-3214.
LIANG Yan,YI Chun-xia,WANG Guang-yu,et al.Semantic Segmentation of Remote Sensing Image Based on Multi-Scale Semantic Encoder-Decoder Network[J].ACTA ELECTRONICA SINICA,2023,51(11):3199-3214.
梁燕,易春霞,王光宇等.基于多尺度语义编解码网络的遥感图像语义分割[J].电子学报,2023,51(11):3199-3214. DOI: 10.12263/DZXB.20220503.
LIANG Yan,YI Chun-xia,WANG Guang-yu,et al.Semantic Segmentation of Remote Sensing Image Based on Multi-Scale Semantic Encoder-Decoder Network[J].ACTA ELECTRONICA SINICA,2023,51(11):3199-3214. DOI: 10.12263/DZXB.20220503.
针对遥感图像语义分割中存在的多层次信息提取和多尺度特征图上下文依赖性两个问题,本文分析现有处理方案,提出了一种综合运用多项技术的多尺度语义编解码网络(Multi-scale Semantic Encoder-Decoder Networks,MSEDNet).MSEDNet由编码与解码两部分构成.编码阶段,首先提出残差协同空间注意(Residuals Coordinate Spatial Attention,RCSA)的MobileNetV3增强型模块,提取语义信息;其次,设计多层增强语义上下文模块(Enhance Semantic Context Module,ESCM),提升多尺度结构特征图的表征能力.解码阶段,首先提出多核卷积与Focus并行的强化空间细节信息模块(Strengthen Spatial Detail Information Module,SSDIM),增强浅层特征细节和结构信息;其次,设计了三元迭代多尺度特征融合(Triplet Iterative Multi-Scale Feature Fusion,TIMSFF)策略,强化图像深层全局语义信息与浅层局部细节特征的多尺度融合,提升分割精度.所提模型在ISPRS Vaihingen和Potsdam数据集上验证,总体分割精度(Overall Accuracy,OA)分别达到95.699%、95.534%,平均
F
1
-score(mean
F
1
-score,m
F
1
)分别提高2.661%和2.929%,且平均交并比(mean Intersection over Union,mIoU)分别增长3.973%和4.012%.所耗参数量Param下降至6.77 M.
This paper analyzes the existed processing scheme
and proposes a multi-scale semantic encoder-decoder networks (MSEDNet) by comprehensively using multiple technologies for the problems in remote sensing image semantic segmentation both multi-level information extraction and multi-scale feature diagram dependence characteristic. The MSEDNet consists of two parts: encoding part and decoding part. In the encoding part
the enhanced MobileNetV3 with residuals coordinate spatial attention (RCSA) is firstly proposed to extract semantic informati
on
and then a multi-layer enhanced semantic context module (ESCM) is designed to improve representation ability of the multi-scale structure feature map. In the decoding part
a strengthen spatial detail information module (SSDIM) based on Multi-core Convolution and Focus Parallel is proposed to enhance the details and structural information of shallow features. Then triplet iterative multi-scale feature fusion (TIMSFF) strategy is designed to strengthen the multi-scale context fusion both deep global semantic information and shallow local detail features
for improving the segmentation accuracy. The proposed model has been experimentally verified on the ISPRS Vaihingen and Potsdam dataset. The overall segmentation accuracy (OA) reached 95.699% and 95.534% respectively
the mean
F
1
-score (m
F
1
) increased by 2.661% and 2.929% respectively
and the mean intersection over union (mIoU) increased by 3.973%and 4.012%
respectively. The number of param dropped to 6.77 M.
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