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Remote sensing image change detection is one of the fundamental tasks in remote sensing intelligent interpretation. Its core objective is to identify changes within change regions of interest (CRoI). Current multimodal large models encode…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Zhenyang Huang , Xiao Yu , Yi Zhang , Decheng Wang , Hang Ruan

Despite the remarkable capabilities of Large Vision Language Models (LVLMs), they still lack detailed knowledge about specific entities. Retrieval-augmented Generation (RAG) is a widely adopted solution that enhances LVLMs by providing…

Computation and Language · Computer Science 2026-02-09 Jongha Kim , Byungoh Ko , Jeehye Na , Jinsung Yoon , Hyunwoo J. Kim

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

Semantic change detection (SCD) extends the multi-class change detection (MCD) task to provide not only the change locations but also the detailed land-cover/land-use (LCLU) categories before and after the observation intervals. This…

Computer Vision and Pattern Recognition · Computer Science 2022-05-04 Lei Ding , Haitao Guo , Sicong Liu , Lichao Mou , Jing Zhang , Lorenzo Bruzzone

Natural-language Guided Cross-view Geo-localization (NGCG) aims to retrieve geo-tagged satellite imagery using textual descriptions of ground scenes. While recent NGCG methods commonly rely on CLIP-style dual-encoder architectures, they…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Yuqi Chen , Xiaohan Zhang , Ahmad Arrabi , Waqas Sultani , Chen Chen , Safwan Wshah

Modern remote sensing image change detection has witnessed substantial advancements by harnessing the potent feature extraction capabilities of CNNs and Transforms.Yet,prevailing change detection techniques consistently prioritize…

Computer Vision and Pattern Recognition · Computer Science 2023-07-06 Chenglong Liu

Change Detection (CD) aims to identify pixels with semantic changes between images. However, annotating massive numbers of pixel-level images is labor-intensive and costly, especially for multi-temporal images, which require pixel-wise…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Kaiyu Li , Xiangyong Cao , Yupeng Deng , Jiayi Song , Junmin Liu , Deyu Meng , Zhi Wang

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

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 (CD) is a fundamental task in remote sensing (RS) which aims to detect the semantic changes between the same geographical regions at different time stamps. Existing convolutional neural networks (CNNs) based approaches…

Computer Vision and Pattern Recognition · Computer Science 2024-04-29 Mubashir Noman , Mustansar Fiaz , Hisham Cholakkal

Cross-modal retrieval (CMR) is a fundamental task in multimedia research, focused on retrieving semantically relevant targets across different modalities. While traditional CMR methods match text and image via embedding-based similarity…

Information Retrieval · Computer Science 2025-04-18 Haoxuan Li , Yi Bin , Yunshan Ma , Guoqing Wang , Yang Yang , See-Kiong Ng , Tat-Seng Chua

Cross-modal alignment plays a crucial role in vision-language pre-training (VLP) models, enabling them to capture meaningful associations across different modalities. For this purpose, numerous masked modeling tasks have been proposed for…

Computer Vision and Pattern Recognition · Computer Science 2023-12-07 Rong-Cheng Tu , Yatai Ji , Jie Jiang , Weijie Kong , Chengfei Cai , Wenzhe Zhao , Hongfa Wang , Yujiu Yang , Wei Liu

Remote sensing change understanding (RSCU) is essential for analyzing remote sensing images and understanding how human activities affect the environment. However, existing datasets lack deep understanding and interactions in the diverse…

Computer Vision and Pattern Recognition · Computer Science 2026-01-01 Junxiao Xue , Quan Deng , Xuecheng Wu , Kelu Yao , Xinyi Yin , Fei Yu , Wei Zhou , Yanfei Zhong , Yang Liu , Dingkang Yang

Skeleton-based person re-identification (Re-ID) is an emerging open topic providing great value for safety-critical applications. Existing methods typically extract hand-crafted features or model skeleton dynamics from the trajectory of…

Computer Vision and Pattern Recognition · Computer Science 2021-06-08 Haocong Rao , Shihao Xu , Xiping Hu , Jun Cheng , Bin Hu

The prevalence of real-world multi-view data makes incomplete multi-view clustering (IMVC) a crucial research. The rapid development of Graph Neural Networks (GNNs) has established them as one of the mainstream approaches for multi-view…

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

Cross-modal remote sensing text-image retrieval (RSCTIR) has recently become an urgent research hotspot due to its ability of enabling fast and flexible information extraction on remote sensing (RS) images. However, current RSCTIR methods…

Computer Vision and Pattern Recognition · Computer Science 2022-04-22 Zhiqiang Yuan , Wenkai Zhang , Changyuan Tian , Xuee Rong , Zhengyuan Zhang , Hongqi Wang , Kun Fu , Xian Sun

Remote Sensing Change Detection (RS-CD) aims to detect relevant changes from Multi-Temporal Remote Sensing Images (MT-RSIs), which aids in various RS applications such as land cover, land use, human development analysis, and disaster…

Computer Vision and Pattern Recognition · Computer Science 2023-03-17 Wele Gedara Chaminda Bandara , Vishal M. Patel

Methods based on Contrastive Language-Image Pre-training (CLIP) are nowadays extensively used in support of vision-and-language tasks involving remote sensing data, such as cross-modal retrieval. The adaptation of CLIP to this specific…

Computer Vision and Pattern Recognition · Computer Science 2024-11-01 João Daniel Silva , Joao Magalhaes , Devis Tuia , Bruno Martins

In recent years, multimodal large language models (MLLMs) have shown remarkable capabilities in tasks like visual question answering and common sense reasoning, while visual perception models have made significant strides in perception…

Computer Vision and Pattern Recognition · Computer Science 2024-06-25 Guanqun Wang , Xinyu Wei , Jiaming Liu , Ray Zhang , Yichi Zhang , Kevin Zhang , Maurice Chong , Shanghang Zhang