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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

Remote Sensing Change Detection (RSCD) typically identifies changes in land cover or surface conditions by analyzing multi-temporal images. Currently, most deep learning-based methods primarily focus on learning unimodal visual information,…

Computer Vision and Pattern Recognition · Computer Science 2025-09-29 Yixiao Liu , Yizhou Yang , Jinwen Li , Jun Tao , Ruoyu Li , Xiangkun Wang , Min Zhu , Junlong Cheng

Scene change detection (SCD) is crucial for urban monitoring and navigation but remains challenging in real-world environments due to lighting variations, seasonal shifts, viewpoint differences, and complex urban layouts. Existing methods…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Diwei Sheng , Vijayraj Gohil , Satyam Gaba , Zihan Liu , Giles Hamilton-Fletcher , John-Ross Rizzo , Yongqing Liang , Chen Feng

Change detection in remote sensing imagery is essential for a variety of applications such as urban planning, disaster management, and climate research. However, existing methods for identifying semantically changed areas overlook the…

Computer Vision and Pattern Recognition · Computer Science 2023-12-08 Maximilian Bernhard , Niklas Strauß , Matthias Schubert

Remote sensing change detection (RSCD) aims to identify the changes of interest in a region by analyzing multi-temporal remote sensing images, and has an outstanding value for local development monitoring. Existing RSCD methods are devoted…

Computer Vision and Pattern Recognition · Computer Science 2024-06-21 Xiaowen Ma , Jiawei Yang , Rui Che , Huanting Zhang , Wei Zhang

Semantic segmentation has achieved great accuracy in understanding spatial layout. For real-time tasks based on dynamic scenes, we extend semantic segmentation in temporal domain to enhance the spatial accuracy with motion. We utilize a…

Computer Vision and Pattern Recognition · Computer Science 2022-02-18 Guo Cheng , Jiang Yu Zheng

Contextual information has been shown to be powerful for semantic segmentation. This work proposes a novel Context-based Tandem Network (CTNet) by interactively exploring the spatial contextual information and the channel contextual…

Computer Vision and Pattern Recognition · Computer Science 2021-04-21 Zechao Li , Yanpeng Sun , Jinhui Tang

In the remote sensing community, multimodal change detection (MCD) is particularly critical due to its ability to track changes across different imaging conditions and sensor types, making it highly applicable to a wide range of real-world…

Image and Video Processing · Electrical Eng. & Systems 2024-10-23 Tao Zhan , Yuanyuan Zhu , Jie Lan , Qianlong Dang

Hyperspectral image change detection (HSI-CD) has emerged as a crucial research area in remote sensing due to its ability to detect subtle changes on the earth's surface. Recently, diffusional denoising probabilistic models (DDPM) have…

Computer Vision and Pattern Recognition · Computer Science 2023-05-23 Xiangrong Zhang , Shunli Tian , Guanchun Wang , Huiyu Zhou , Licheng Jiao

Semi-supervised change detection (SSCD) aims to detect changes between bi-temporal remote sensing images by utilizing limited labeled data and abundant unlabeled data. Existing methods struggle in complex scenarios, exhibiting poor…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Qi'ao Xu , Pengfei Wang , Yanjun Li , Tianwen Qian , Xiaoling Wang

Semantic Change Detection (SCD) from remote sensing imagery requires models balancing extensive spatial context, computational efficiency, and sensitivity to class-imbalanced land-cover transitions. While Convolutional Neural Networks excel…

Image and Video Processing · Electrical Eng. & Systems 2026-02-12 Buddhi Wijenayake , Athulya Ratnayake , Praveen Sumanasekara , Roshan Godaliyadda , Parakrama Ekanayake , Vijitha Herath , Nichula Wasalathilaka

Previous methods for dynamic facial expression in the wild are mainly based on Convolutional Neural Networks (CNNs), whose local operations ignore the long-range dependencies in videos. To solve this problem, we propose the spatio-temporal…

Computer Vision and Pattern Recognition · Computer Science 2022-05-11 Fuyan Ma , Bin Sun , Shutao Li

Remote sensing change detection (CD) is a pivotal technique that pinpoints changes on a global scale based on multi-temporal images. With the recent expansion of deep learning, supervised deep learning-based CD models have shown…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Kai Tang , Jin Chen

Semantic segmentation necessitates approaches that learn high-level characteristics while dealing with enormous amounts of data. Convolutional neural networks (CNNs) can learn unique and adaptive features to achieve this aim. However, due…

Computer Vision and Pattern Recognition · Computer Science 2023-07-19 Hasan AlMarzouqi , Lyes Saad Saoud

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

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

Contrastive learning has achieved great success in skeleton-based action recognition. However, most existing approaches encode the skeleton sequences as entangled spatiotemporal representations and confine the contrasts to the same level of…

Computer Vision and Pattern Recognition · Computer Science 2023-09-13 Cong Wu , Xiao-Jun Wu , Josef Kittler , Tianyang Xu , Sara Atito , Muhammad Awais , Zhenhua Feng

Deep convolutional neural networks (DCNNs) based remote sensing (RS) image semantic segmentation technology has achieved great success used in many real-world applications such as geographic element analysis. However, strong dependency on…

Computer Vision and Pattern Recognition · Computer Science 2023-06-01 Qi Zhao , Shuchang Lyu , Binghao Liu , Lijiang Chen , Hongbo Zhao

Change detection (CD) in remote sensing is vital for applications such as urban monitoring and disaster assessment, yet traditional methods struggle with generalization across diverse scenarios. We present OmniCD, a foundational framework…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Chenhao Sun

Change detection is a fundamental task in remote sensing, aiming to quantify the impacts of human activities and ecological dynamics on land-cover changes. Existing change detection methods are limited to predefined classes in training…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 You Su , Yonghong Song , Jingqi Chen , Zehan Wen