Explicit Change Relation Learning for Change Detection in VHR Remote Sensing Images

• URL: http://arxiv.org/abs/2311.07993v1
• Date: Tue, 14 Nov 2023 08:47:38 GMT
• Title: Explicit Change Relation Learning for Change Detection in VHR Remote Sensing Images
• Authors: Dalong Zheng, Zebin Wu, Jia Liu, Chih-Cheng Hung, and Zhihui Wei
• Abstract summary: We propose a network architecture NAME for the explicit mining of change relation features. The change features of change detection should be divided into pre-changed image features, post-changed image features and change relation features. Our network performs better, in terms of F1, IoU, and OA, than those of the existing advanced networks for change detection.
• Score: 12.228675703851733
• License: http://creativecommons.org/licenses/by-nc-sa/4.0/
• Abstract: Change detection has always been a concerned task in the interpretation of remote sensing images. It is essentially a unique binary classification task with two inputs, and there is a change relationship between these two inputs. At present, the mining of change relationship features is usually implicit in the network architectures that contain single-branch or two-branch encoders. However, due to the lack of artificial prior design for change relationship features, these networks cannot learn enough change semantic information and lose more accurate change detection performance. So we propose a network architecture NAME for the explicit mining of change relation features. In our opinion, the change features of change detection should be divided into pre-changed image features, post-changed image features and change relation features. In order to fully mine these three kinds of change features, we propose the triple branch network combining the transformer and convolutional neural network (CNN) to extract and fuse these change features from two perspectives of global information and local information, respectively. In addition, we design the continuous change relation (CCR) branch to further obtain the continuous and detail change relation features to improve the change discrimination capability of the model. The experimental results show that our network performs better, in terms of F1, IoU, and OA, than those of the existing advanced networks for change detection on four public very high-resolution (VHR) remote sensing datasets. Our source code is available at https://github.com/DalongZ/NAME.

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