JOURNAL ARTICLE

New building extraction method based on semantic segmentation

Lihong LONGYuting ZHUJingwen YANJingjin LIUZongyue WANG

Year: 2023 Journal:   National Remote Sensing Bulletin Vol: 27 (11)Pages: 2593-2602   Publisher: Science Press

Abstract

高分辨率遥感图像语义分割在航空图像分析领域中具有重要的理论价值和应用价值。但由于高分辨率遥感图像中建筑物语义的丰富性和图像背景的复杂性,以往的分割方法往往容易产生边缘模糊、细节信息丢失和分辨率低等缺点。为了解决高分辨率卫星图像语义分割边界模糊和信息丢失的问题,本文提出一种端到端的卷积神经网络Dilated-UNet(D-UNet)。首先,通过改进U-Net网络结构,采用Dilation技术拓展四通道的多尺度空洞卷积模块,每个通道采用不同的卷积扩张率来识别多尺度语义信息,从而提取更丰富的细节信息。其次,设计了一种交叉熵和Dice系数的联合损失函数,更好的训练模型以达到预期分割效果。最后,在Inria航空图像数据集上进行综合评估与检验。实验结果表明,本文提出的遥感图像分割方法能够有效地从高分辨率遥感图像中进行像素级城市建筑物的分割,与其他方法相比,分割精度更高,具有较高的实际应用价值。

Keywords:
Extraction (chemistry) Segmentation Computer science Artificial intelligence Natural language processing Pattern recognition (psychology) Chemistry Chromatography

Metrics

3
Cited By
0.82
FWCI (Field Weighted Citation Impact)
16
Refs
0.69
Citation Normalized Percentile
Is in top 1%
Is in top 10%

Citation History

Topics

Automated Road and Building Extraction
Physical Sciences →  Engineering →  Ocean Engineering
Remote Sensing and Land Use
Physical Sciences →  Earth and Planetary Sciences →  Atmospheric Science
Remote-Sensing Image Classification
Physical Sciences →  Engineering →  Media Technology

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