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Remote sensing Water Body Change Detection (WBCD) aims to detect water body surface changes from bi-temporal images of the same geographic area. Recently, the scarcity of high spatial resolution datasets for WBCD restricts its application…

Computer Vision and Pattern Recognition · Computer Science 2025-11-21 Quanqing Ma , Jiaen Chen , Peng Wang , Yao Zheng , Qingzhan Zhao , Yuchen Zheng

With the advent of remote sensing satellites, a huge repository of remotely sensed images is available. Change detection in remotely sensed images has been an active research area as it helps us understand the transitions that are taking…

Neural and Evolutionary Computing · Computer Science 2018-09-26 Madhu Khurana , Vikas Saxena

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

Classical and more recently deep computer vision methods are optimized for visible spectrum images, commonly encoded in grayscale or RGB colorspaces acquired from smartphones or cameras. A more uncommon source of images exploited in the…

Computer Vision and Pattern Recognition · Computer Science 2020-01-29 Caio C. V. da Silva , Keiller Nogueira , Hugo N. Oliveira , Jefersson A. dos Santos

Semantic Change Detection (SCD) in remote sensing imagery requires accurately identifying land-cover changes across multi-temporal image pairs. Despite substantial advancements, including the introduction of transformer-based architectures,…

Image and Video Processing · Electrical Eng. & Systems 2025-11-11 Athulya Ratnayake , Buddhi Wijenayake , Praveen Sumanasekara , Roshan Godaliyadda , Vijitha Herath , Parakrama Ekanayake

Unsupervised Change Detection (UCD) in multimodal Remote Sensing (RS) images remains a difficult challenge due to the inherent spatio-temporal complexity within data, and the heterogeneity arising from different imaging sensors. Inspired by…

Computer Vision and Pattern Recognition · Computer Science 2025-02-19 Lei Ding , Xibing Zuo , Danfeng Hong , Haitao Guo , Jun Lu , Zhihui Gong , Lorenzo Bruzzone

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

Change detection (CD) in remote sensing imagery is a crucial task with applications in environmental monitoring, urban development, and disaster management. CD involves utilizing bi-temporal images to identify changes over time. The…

Computer Vision and Pattern Recognition · Computer Science 2024-06-28 Hongjia Chen , Xin Xu , Fangling Pu

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

Change Detection (CD) is an essential field in remote sensing, with a primary focus on identifying areas of change in bi-temporal image pairs captured at varying intervals of the same region by a satellite. The data annotation process for…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Ran Lingyan , Wen Dongcheng , Zhuo Tao , Zhang Shizhou , Zhang Xiuwei , Zhang Yanning

With the development of earth observation technology, massive amounts of remote sensing (RS) images are acquired. To find useful information from these images, cross-modal RS image-voice retrieval provides a new insight. This paper aims to…

Multimedia · Computer Science 2022-01-05 Hailong Ning , Bin Zhao , Yuan Yuan

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

We focus on domain and class generalization problems in analyzing optical remote sensing images, using the large-scale pre-trained vision-language model (VLM), CLIP. While contrastively trained VLMs show impressive zero-shot generalization…

Computer Vision and Pattern Recognition · Computer Science 2023-11-28 Avigyan Bhattacharya , Mainak Singha , Ankit Jha , Biplab Banerjee

Large-scale vision-language models like CLIP have demonstrated impressive open-vocabulary capabilities for image-level tasks, excelling in recognizing what objects are present. However, they struggle with pixel-level recognition tasks like…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Heeseong Shin , Chaehyun Kim , Sunghwan Hong , Seokju Cho , Anurag Arnab , Paul Hongsuck Seo , Seungryong Kim

Deep learning based image compressed sensing (CS) has achieved great success. However, existing CS systems mainly adopt a fixed measurement matrix to images, ignoring the fact the optimal measurement numbers and bases are different for…

Image and Video Processing · Electrical Eng. & Systems 2023-07-12 Bowen Zhang , Zhijin Qin , Geoffrey Ye Li

Change detection is a key task in Earth observation applications. Recently, deep learning methods have demonstrated strong performance and widespread application. However, change detection faces data scarcity due to the labor-intensive…

Computer Vision and Pattern Recognition · Computer Science 2025-03-27 Ziyu Zhou , Keyan Hu , Yutian Fang , Xiaoping Rui

Change detection is an important problem in vision field, especially for aerial images. However, most works focus on traditional change detection, i.e., where changes happen, without considering the change type information, i.e., what…

Computer Vision and Pattern Recognition · Computer Science 2020-03-10 Wensheng Cheng , Yan Zhang , Xu Lei , Wen Yang , Guisong Xia

Semantic Change Detection (SCD) aims to detect and categorize land-cover changes from bi-temporal remote sensing images. Existing methods often suffer from blurred boundaries and inadequate temporal modeling, limiting segmentation accuracy.…

Computer Vision and Pattern Recognition · Computer Science 2026-02-13 Yun-Cheng Li , Sen Lei , Heng-Chao Li , Ke Li

As a common method in the field of computer vision, spatial attention mechanism has been widely used in semantic segmentation of remote sensing images due to its outstanding long-range dependency modeling capability. However, remote sensing…

Image and Video Processing · Electrical Eng. & Systems 2025-01-24 Xiaowen Ma , Rongrong Lian , Zhenkai Wu , Renxiang Guan , Tingfeng Hong , Mengjiao Zhao , Mengting Ma , Jiangtao Nie , Zhenhong Du , Siyang Song , Wei Zhang

Remote sensing image change captioning (RSICC) aims to describe the difference between two remote sensing images. While recent methods have explored video modeling, they largely overlook the inherent ambiguities in viewpoint, scale, and…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Yanpei Gong , Beichen Zhang , Hao Wang , Zhaobo Qi , Xinyan Liu , Yuanrong Xu , Ruiyang Gao , Weigang Zhang