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Semantic change detection in remote sensing aims to identify land cover changes between bi-temporal image pairs. Progress in this area has been limited by the scarcity of annotated datasets, as pixel-level annotation is costly and…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Xavier Bou , Elliot Vincent , Gabriele Facciolo , Rafael Grompone von Gioi , Jean-Michel Morel , Thibaud Ehret

To train the change detector, bi-temporal images taken at different times in the same area are used. However, collecting labeled bi-temporal images is expensive and time consuming. To solve this problem, various unsupervised change…

Computer Vision and Pattern Recognition · Computer Science 2022-04-06 Hyeoncheol Noh , Jingi Ju , Minseok Seo , Jongchan Park , Dong-Geol Choi

Most change detection methods assume that pre-change and post-change images are acquired by the same sensor. However, in many real-life scenarios, e.g., natural disaster, it is more practical to use the latest available images before and…

Computer Vision and Pattern Recognition · Computer Science 2022-02-16 Sudipan Saha , Patrick Ebel , Xiao Xiang Zhu

Bitemporal supervised learning paradigm always dominates remote sensing change detection using numerous labeled bitemporal image pairs, especially for high spatial resolution (HSR) remote sensing imagery. However, it is very expensive and…

Computer Vision and Pattern Recognition · Computer Science 2024-06-25 Zhuo Zheng , Yanfei Zhong , Ailong Ma , Liangpei Zhang

For high spatial resolution (HSR) remote sensing images, bitemporal supervised learning always dominates change detection using many pairwise labeled bitemporal images. However, it is very expensive and time-consuming to pairwise label…

Computer Vision and Pattern Recognition · Computer Science 2023-10-17 Zhuo Zheng , Ailong Ma , Liangpei Zhang , Yanfei Zhong

The vast amount of unlabeled multi-temporal and multi-sensor remote sensing data acquired by the many Earth Observation satellites present a challenge for change detection. Recently, many generative model-based methods have been proposed…

Image and Video Processing · Electrical Eng. & Systems 2022-02-16 Yuxing Chen , Lorenzo Bruzzone

Archetypal scenarios for change detection generally consider two images acquired through sensors of the same modality. However, in some specific cases such as emergency situations, the only images available may be those acquired through…

Image and Video Processing · Electrical Eng. & Systems 2019-09-04 Vinicius Ferraris , Nicolas Dobigeon , Yanna Cavalcanti , Thomas Oberlin , Marie Chabert

While annotated images for change detection using satellite imagery are scarce and costly to obtain, there is a wealth of unlabeled images being generated every day. In order to leverage these data to learn an image representation more…

Computer Vision and Pattern Recognition · Computer Science 2021-04-13 Marrit Leenstra , Diego Marcos , Francesca Bovolo , Devis Tuia

Supervised deep learning models depend on massive labeled data. Unfortunately, it is time-consuming and labor-intensive to collect and annotate bitemporal samples containing desired changes. Transfer learning from pre-trained models is…

Computer Vision and Pattern Recognition · Computer Science 2022-09-13 Hao Chen , Wenyuan Li , Song Chen , Zhenwei Shi

We live in a dynamic world where things change all the time. Given two images of the same scene, being able to automatically detect the changes in them has practical applications in a variety of domains. In this paper, we tackle the change…

Computer Vision and Pattern Recognition · Computer Science 2022-09-30 Ragav Sachdeva , Andrew Zisserman

Change detection is widely applied in remote sensing image analysis. Existing methods require training models separately for each dataset, which leads to poor domain generalization. Moreover, these methods rely heavily on large amounts of…

Computer Vision and Pattern Recognition · Computer Science 2024-04-24 Qiangang Du , Jinlong Peng , Xu Chen , Qingdong He , Liren He , Qiang Nie , Wenbing Zhu , Mingmin Chi , Yabiao Wang , Chengjie Wang

Recent developments in the remote sensing systems and image processing made it possible to propose a new method of the object classification and detection of the specific changes in the series of satellite Earth images (so called targeted…

Computer Vision and Pattern Recognition · Computer Science 2018-03-16 Vladimir Ignatiev , Alexey Trekin , Viktor Lobachev , Georgy Potapov , Evgeny Burnaev

Change detection in remote sensing imagery is a critical technique for Earth observation, primarily focusing on pixel-level segmentation of change regions between bi-temporal images. The essence of pixel-level change detection lies in…

Computer Vision and Pattern Recognition · Computer Science 2025-01-22 Sijun Dong , Fangcheng Zuo , Geng Chen , Siming Fu , Xiaoliang Meng

Deep learning techniques have achieved great success in remote sensing image change detection. Most of them are supervised techniques, which usually require large amounts of training data and are limited to a particular application.…

Image and Video Processing · Electrical Eng. & Systems 2021-10-11 Yuxing Chen , Lorenzo Bruzzone

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 in remote sensing imagery is essential for applications such as urban planning, environmental monitoring, and disaster management. Traditional change detection methods typically identify all changes between two temporal…

Computer Vision and Pattern Recognition · Computer Science 2025-12-15 Yilmaz Korkmaz , Jay N. Paranjape , Celso M. de Melo , Vishal M. Patel

While unsupervised change detection using contrastive learning has been significantly improved the performance of literature techniques, at present, it only focuses on the bi-temporal change detection scenario. Previous state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2023-04-25 Yuxing Chen , Lorenzo Bruzzone

Remote sensing change detection, identifying changes between scenes of the same location, is an active area of research with a broad range of applications. Recent advances in multimodal self-supervised pretraining have resulted in…

Computer Vision and Pattern Recognition · Computer Science 2022-03-01 Isaac Corley , Peyman Najafirad

In conventional remote sensing change detection (RS CD) procedures, extensive manual labeling for bi-temporal images is first required to maintain the performance of subsequent fully supervised training. However, pixel-level labeling for CD…

Computer Vision and Pattern Recognition · Computer Science 2024-05-29 Yitao Zhao , Turgay Celik , Nanqing Liu , Feng Gao , Heng-Chao Li

General change detection (GCD) and semantic change detection (SCD) are common methods for identifying changes and distinguishing object categories involved in those changes, respectively. However, the binary changes provided by GCD is often…

Computer Vision and Pattern Recognition · Computer Science 2023-03-09 Yuqun Yang , Xu Tang , Xiangrong Zhang , Jingjing Ma , Licheng Jiao
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