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author:

Yang, Z. (Yang, Z..) [1] | Wang, X. (Wang, X..) [2] | Li, M. (Li, M..) [3] | Long, J. (Long, J..) [4]

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Scopus

Abstract:

Change detection in remote sensing images is crucial for assessing human activity impacts and supporting government decision-making. However, in practice, obtaining bitemporal remote sensing images with consistent conditions is highly limited, and existing change detection methods still face two main challenges: 1) in real-world scenarios, inconsistent sensor and lighting conditions cause significant style (visual appearance) differences between bitemporal remote sensing images, leading to false changes and reducing change detection accuracy and 2) remote sensing images contain complex semantic information, and complex scenarios such as shadow occlusion and seasonal vegetation changes make the existing methods difficult to capture relevant features related to change areas. To address these challenges, we propose a style consistency enhanced differential network (SCEDNet) to eliminate style discrepancies between temporally distinct images and enhance the semantic information of change features. Specifically, we introduce a style consistency module (SCM) in the encoder to extract consistent features by computing the mean and variance of temporal features. Then, we introduce an enhanced differential module (EDM) to enhance change semantics, tackling issues such as mislocalization and incomplete regions in complex cases such as shadow occlusion and seasonal vegetation changes. In addition, we design a gate fusion upsampling (GFU) and change refine module (CRM) in the decoder to integrate multilevel differential features with different semantic information and highlight key changes, further improving change detection performance. Experiments on the CDD and GZ_CD datasets show that SCEDNet outperformed eight methods, achieving F1-scores of 95.59% and 90.41%, respectively. © 2004-2012 IEEE.

Keyword:

Change detection deep learning enhanced differential features remote sensing images style consistency

Community:

  • [ 1 ] [Yang Z.]Fuzhou University, Key Laboratory of Spatial Data Mining and Information Sharing of Ministry of Education, Academy of Digital China (Fujian), Fuzhou, 350108, China
  • [ 2 ] [Wang X.]Fuzhou University, Key Laboratory of Spatial Data Mining and Information Sharing of Ministry of Education, Academy of Digital China (Fujian), Fuzhou, 350108, China
  • [ 3 ] [Li M.]Fuzhou University, Key Laboratory of Spatial Data Mining and Information Sharing of Ministry of Education, Academy of Digital China (Fujian), Fuzhou, 350108, China
  • [ 4 ] [Long J.]Tongji University, College of Surveying and Geoinformatics, Shanghai, 200092, China

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Source :

IEEE Geoscience and Remote Sensing Letters

ISSN: 1545-598X

Year: 2025

Volume: 22

4 . 0 0 0

JCR@2023

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ESI Highly Cited Papers on the List: 0 Unfold All

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