Journal of Jilin University(Engineering and Technology Edition) ›› 2024, Vol. 54 ›› Issue (2): 516-523.doi: 10.13229/j.cnki.jdxbgxb.20221340

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Remote sensing change detection model based on multi⁃scale fusion

Xiong-fei LI(),Zi-xuan SONG,Rui ZHU,Xiao-li ZHANG   

  1. College of Computer Science and Technology,Jilin University,Changchun 130012,China
  • Received:2022-10-18 Online:2024-02-01 Published:2024-03-29

Abstract:

The remote sensing image change detection model which is based on multi-scale fusion is proposed to accurately identify the change region of the bi-temporal remote sensing images. First, a multi-scale input pyramid is constructed in the feature extraction stage to receive multi-layer receptive fields and enhance the perception of all information. Then, in order to make a tradeoff between locating the changing area and mining details, the multi-scale calculation is carried out for deep difference features. Finally, the semantic change information can be identified and retained to a great extent by integrating the different feature results of the network. The experimental results show that the proposed model has good performance in both subjective evaluation and objective indexes.

Key words: change detection, multi-scale fusion, remote sensing image, deep learning

CLC Number: 

  • TP391

Fig.1

Model framework diagram"

Fig.2

Model detection results on LEVIR-CD dataset"

Fig.3

Model detection results on WHU building change detection dataset"

Table 1

Comparison of model indexes"

模型LEVIR-CDWHU
PreRecF1OAKCPreRecF1OAKC
FC-EF0.85090.74010.79160.98020.78130.76730.89360.82560.98380.8172
FC-Siam-diff0.85000.82330.83650.98360.82780.81340.89310.85140.98660.8444
FC-Siam-conc0.83630.82390.83000.98280.82100.81420.89870.85440.98690.8475
SNUNet-CD0.90490.84980.87650.98780.87010.82510.88980.85620.98720.8495
MSOF0.87840.86800.87320.98720.86640.94710.88950.91740.99310.9138
STANet0.85010.91380.88080.98740.87410.79360.91200.84870.98610.8414
本文0.88520.90900.89690.98940.89130.91760.92020.91890.99310.9153

Table 2

Results of model ablation experiment"

模型PreRecF1OAKC
去除输入金字塔0.88720.89930.89320.98900.8874
去除深度差异特征多尺度计算0.88170.90710.89420.98910.8885
去除多级差异特征融合0.88600.89860.89230.98890.8865
本文0.88520.90900.89690.98940.8913
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