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Remote sensing image semantic change detection is a method used to analyze remote sensing images, aiming to identify areas of change as well as categorize these changes within images of the same location taken at different times.…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Yongshuo Zhu , Lu Li , Keyan Chen , Chenyang Liu , Fugen Zhou , Zhenwei Shi

Change detection (CD) is a fundamental task in Earth observation. While most change detection methods detect all changes, there is a growing need for specialized methods targeting specific changes relevant to particular applications while…

Image and Video Processing · Electrical Eng. & Systems 2024-08-14 Tahir Ahmad , Sudipan Saha

Deep learning has driven significant progress in object detection using Synthetic Aperture Radar (SAR) imagery. Existing methods, while achieving promising results, often struggle to effectively integrate local and global information,…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Mingxiang Cao , Weiying Xie , Jie Lei , Jiaqing Zhang , Daixun Li , Yunsong Li

Change detection (CD) in remote sensing images has been an ever-expanding area of research. To date, although many methods have been proposed using various techniques, accurately identifying changes is still a great challenge, especially in…

Computer Vision and Pattern Recognition · Computer Science 2021-02-17 Junzheng Wu , Biao Li , Yao Qin , Weiping Ni , Han Zhang , Yuli Sun

Objects at different spatial positions in an image exhibit different scales. Adaptive receptive fields are expected to capture suitable ranges of context for accurate pixel level semantic prediction. Recently, atrous convolution with…

Computer Vision and Pattern Recognition · Computer Science 2020-10-12 Xin Jin , Cuiling Lan , Wenjun Zeng , Zhizheng Zhang , Zhibo Chen

This paper presents three fully convolutional neural network architectures which perform change detection using a pair of coregistered images. Most notably, we propose two Siamese extensions of fully convolutional networks which use…

Computer Vision and Pattern Recognition · Computer Science 2018-10-22 Rodrigo Caye Daudt , Bertrand Le Saux , Alexandre Boulch

Difference features obtained by comparing the images of two periods play an indispensable role in the change detection (CD) task. However, a pair of bi-temporal images can exhibit diverse changes, which may cause various difference…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Dan Wang , Licheng Jiao , Jie Chen , Shuyuan Yang , Fang Liu

Change detection, i.e. identification per pixel of changes for some classes of interest from a set of bi-temporal co-registered images, is a fundamental task in the field of remote sensing. It remains challenging due to unrelated forms of…

Computer Vision and Pattern Recognition · Computer Science 2021-09-20 Foivos I. Diakogiannis , François Waldner , Peter Caccetta

For the task of change detection (CD) in remote sensing images, deep convolution neural networks (CNNs)-based methods have recently aggregated transformer modules to improve the capability of global feature extraction. However, they suffer…

Computer Vision and Pattern Recognition · Computer Science 2023-12-29 Weiming Li , Lihui Xue , Xueqian Wang , Gang Li

Accurate and robust detection of multi-class objects in optical remote sensing images is essential to many real-world applications such as urban planning, traffic control, searching and rescuing, etc. However, state-of-the-art object…

Computer Vision and Pattern Recognition · Computer Science 2020-01-08 Gongjie Zhang , Shijian Lu , Wei Zhang

Assigning geospatial objects with specific categories at the pixel level is a fundamental task in remote sensing image analysis. Along with rapid development in sensor technologies, remotely sensed images can be captured at multiple spatial…

Computer Vision and Pattern Recognition · Computer Science 2021-11-05 Libo Wang , Ce Zhang , Rui Li , Chenxi Duan , Xiaoliang Meng , Peter M. Atkinson

Semantic Change Detection (SCD) refers to the task of simultaneously extracting the changed areas and the semantic categories (before and after the changes) in Remote Sensing Images (RSIs). This is more meaningful than Binary Change…

Computer Vision and Pattern Recognition · Computer Science 2024-02-23 Lei Ding , Jing Zhang , Kai Zhang , Haitao Guo , Bing Liu , Lorenzo Bruzzone

Change detection (CD) in remote sensing aims to identify semantic differences between satellite images captured at different times. While deep learning has significantly advanced this field, existing approaches based on convolutional neural…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Durgesh Ameta , Ujjwal Mishra , Praful Hambarde , Amit Shukla

Graph representation learning plays a vital role in processing graph-structured data. However, prior arts on graph representation learning heavily rely on labeling information. To overcome this problem, inspired by the recent success of…

Machine Learning · Computer Science 2021-07-19 Ming Jin , Yizhen Zheng , Yuan-Fang Li , Chen Gong , Chuan Zhou , Shirui Pan

In this letter, we propose a pseudo-siamese convolutional neural network (CNN) architecture that enables to solve the task of identifying corresponding patches in very-high-resolution (VHR) optical and synthetic aperture radar (SAR) remote…

Image and Video Processing · Electrical Eng. & Systems 2018-05-23 Lloyd H. Hughes , Michael Schmitt , Lichao Mou , Yuanyuan Wang , Xiao Xiang Zhu

Change detection (CD) is an important yet challenging task in the Earth observation field for monitoring Earth surface dynamics. The advent of deep learning techniques has recently propelled automatic CD into a technological revolution.…

Computer Vision and Pattern Recognition · Computer Science 2023-07-25 Haonan Guo , Bo Du , Chen Wu , Chengxi Han , Liangpei Zhang

Change detection (CD) aims to identify surface changes from multi-temporal remote sensing imagery. In real-world scenarios, Pixel-level change labels are expensive to acquire, and existing models struggle to adapt to scenarios with diverse…

Computer Vision and Pattern Recognition · Computer Science 2026-04-24 Kaixuan Jiang , Chen Wu , Zhenghui Zhao , Chengxi Han , Haonan Guo , Hongruixuan Chen

Change detection encompasses a variety of task types, and the goal of building change detection (BCD) tasks is to accurately locate buildings and distinguish changed building areas. In recent years, various deep learning-based BCD methods…

Image and Video Processing · Electrical Eng. & Systems 2026-03-11 ChengMing Wang

Change detection is a quite challenging task due to the imbalance between unchanged and changed class. In addition, the traditional difference map generated by log-ratio is subject to the speckle, which will reduce the accuracy. In this…

Computer Vision and Pattern Recognition · Computer Science 2019-06-26 Rongfang Wang , Jie Zhang , Jia-Wei Chen , Licheng Jiao , Mi Wang

Remote sensing change detection fundamentally relies on the effective fusion and discrimination of bi-temporal features. Prevailing paradigms typically utilize Siamese encoders bridged by explicit difference computation modules, such as…

Computer Vision and Pattern Recognition · Computer Science 2026-01-13 Sijun Dong , Siming Fu , Kaiyu Li , Xiangyong Cao , Xiaoliang Meng , Bo Du