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Unsupervised multimodal change detection is pivotal for time-sensitive tasks and comprehensive multi-temporal Earth monitoring. In this study, we explore unsupervised multimodal change detection between two key remote sensing data sources:…

Image and Video Processing · Electrical Eng. & Systems 2024-01-18 Hongruixuan Chen , Jian Song , Naoto Yokoya

Camera-based 3D semantic scene completion (SSC) is pivotal for predicting complicated 3D layouts with limited 2D image observations. The existing mainstream solutions generally leverage temporal information by roughly stacking history…

Computer Vision and Pattern Recognition · Computer Science 2024-11-07 Bohan Li , Jiajun Deng , Wenyao Zhang , Zhujin Liang , Dalong Du , Xin Jin , Wenjun Zeng

In this paper, we propose a novel semantic-aided image communication framework for supporting the compatibility with practical separation-based coding architectures. Particularly, the deep learning (DL)-based joint source-channel coding…

Information Theory · Computer Science 2025-05-01 Mingkai Xu , Yongpeng Wu , Yuxuan Shi , Xiang-Gen Xia , Merouane Debbah , Wenjun Zhang , Ping Zhang

This study introduces an efficacious approach, Masked Collaborative Contrast (MCC), to highlight semantic regions in weakly supervised semantic segmentation. MCC adroitly draws inspiration from masked image modeling and contrastive learning…

Computer Vision and Pattern Recognition · Computer Science 2023-11-10 Fangwen Wu , Jingxuan He , Yufei Yin , Yanbin Hao , Gang Huang , Lechao Cheng

Template matching by normalized cross correlation (NCC) is widely used for finding image correspondences. We improve the robustness of this algorithm by preprocessing images with "siamese" convolutional networks trained to maximize the…

Computer Vision and Pattern Recognition · Computer Science 2017-05-25 Davit Buniatyan , Thomas Macrina , Dodam Ih , Jonathan Zung , H. Sebastian Seung

The Earth's surface is continually changing, and identifying changes plays an important role in urban planning and sustainability. Although change detection techniques have been successfully developed for many years, these techniques are…

Computer Vision and Pattern Recognition · Computer Science 2022-12-07 Zhenghang Yuan , Lichao Mou , Zhitong Xiong , Xiaoxiang Zhu

Change detection plays a vital role in scene monitoring, exploration, and continual reconstruction. Existing 3D change detection methods often exhibit spatial inconsistency in the detected changes and fail to explicitly separate pre- and…

Computer Vision and Pattern Recognition · Computer Science 2025-12-30 Zirui Zhou , Junfeng Ni , Shujie Zhang , Yixin Chen , Siyuan Huang

In the field of seismic interpretation, univariate databased maps are commonly used by interpreters, especially for fault detection. In these maps, contrast between target regions and the background is one of the main factors that affect…

Image and Video Processing · Electrical Eng. & Systems 2018-11-26 Zhen Wang , Dogancan Temel , Ghassan AlRegib

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, a critical task in remote sensing and computer vision, aims to identify pixel-level differences between image pairs captured at the same geographic area but different times. It faces numerous challenges such as…

Computer Vision and Pattern Recognition · Computer Science 2025-05-22 Qi'ao Xu , Yan Xing , Jiali Hu , Yunan Jia , Rui Huang

Change detection plays a fundamental role in Earth observation for analyzing temporal iterations over time. However, recent studies have largely neglected the utilization of multimodal data that presents significant practical and technical…

Computer Vision and Pattern Recognition · Computer Science 2024-04-18 Biyuan Liu , Huaixin Chen , Kun Li , Michael Ying Yang

Prior to modern Earth observation technologies, historical maps provide a unique record of long-term urban transformation and offer a lens on the evolving identity of cities. However, extracting consistent and fine-grained change…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Sidi Wu , Yizi Chen , Maurizio Gribaudi , Konrad Schindler , Clément Mallet , Julien Perret , Lorenz Hurni

In an era where climate change aggravates environmental uncertainties, the identification and detection of event precursors are becoming crucial to mitigate the impacts of disastrous natural hazards. While classical sensors such as…

Computer Vision and Pattern Recognition · Computer Science 2026-05-28 Arthur Dérédel , Carlos Crispim-Junior , Pierre Lemaire , Johan Berthet , Laure Tougne Rodet

Recent advances in deep learning algorithms have shown impressive progress in image copy-move forgery detection (CMFD). However, these algorithms lack generalizability in practical scenarios where the copied regions are not present in the…

Computer Vision and Pattern Recognition · Computer Science 2024-04-29 Yuanman Li , Yingjie He , Changsheng Chen , Li Dong , Bin Li , Jiantao Zhou , Xia Li

This paper provides a new strategy for the Heterogeneous Change Detection (HCD) problem: solving HCD from the perspective of Graph Signal Processing (GSP). We construct a graph for each image to capture the structure information, and treat…

Computer Vision and Pattern Recognition · Computer Science 2022-08-09 Yuli Sun , Lin Lei , Dongdong Guan , Gangyao Kuang , Li Liu

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

Remote sensing change detection (RSCD) aims to identify surface changes across bi-temporal satellite images. Most previous methods rely solely on mask supervision, which effectively guides spatial localization but provides limited…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Han Guo , Chenyang Liu , Haotian Zhang , Bowen Chen , Zhengxia Zou , Zhenwei Shi

Video Copy Detection (VCD) plays a crucial role in copyright protection and content verification by identifying duplicates and near-duplicates in large-scale video databases. The META AI Challenge on video copy detection provided a…

Computer Vision and Pattern Recognition · Computer Science 2025-01-22 Katarzyna Fojcik , Piotr Syga

In semi-supervised segmentation, capturing meaningful semantic structures from unlabeled data is essential. This is particularly challenging in histopathology image analysis, where objects are densely distributed. To address this issue, we…

Computer Vision and Pattern Recognition · Computer Science 2025-10-03 Meilong Xu , Xiaoling Hu , Shahira Abousamra , Chen Li , Chao Chen

Leveraging synthetically rendered data offers great potential to improve monocular depth estimation and other geometric estimation tasks, but closing the synthetic-real domain gap is a non-trivial and important task. While much recent work…

Computer Vision and Pattern Recognition · Computer Science 2020-06-26 Yunhan Zhao , Shu Kong , Daeyun Shin , Charless Fowlkes