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Novel view synthesis for dynamic scenes is still a challenging problem in computer vision and graphics. Recently, Gaussian splatting has emerged as a robust technique to represent static scenes and enable high-quality and real-time novel…

Computer Vision and Pattern Recognition · Computer Science 2024-04-15 Yi-Hua Huang , Yang-Tian Sun , Ziyi Yang , Xiaoyang Lyu , Yan-Pei Cao , Xiaojuan Qi

As an important task in remote sensing image analysis, remote sensing change detection (RSCD) aims to identify changes of interest in a region from spatially co-registered multi-temporal remote sensing images, so as to monitor the local…

Computer Vision and Pattern Recognition · Computer Science 2023-04-25 Xiaowen Ma , Jiawei Yang , Tingfeng Hong , Mengting Ma , Ziyan Zhao , Tian Feng , Wei Zhang

As an essential procedure in earth observation system, change detection (CD) aims to reveal the spatial-temporal evolution of the observation regions. A key prerequisite for existing change detection algorithms is aligned geo-references…

Computer Vision and Pattern Recognition · Computer Science 2025-04-22 Yitao Zhao , Sen Lei , Nanqing Liu , Heng-Chao Li , Turgay Celik , Qing Zhu

Typical attempts to improve the capability of visual place recognition techniques include the use of multi-sensor fusion and integration of information over time from image sequences. These approaches can improve performance but have…

Robotics · Computer Science 2019-03-11 Stephen Hausler , Adam Jacobson , Michael Milford

We introduce a generalized framework for Scene Change Detection (SCD) that addresses the core ambiguity of distinguishing "relevant" from "nuisance" changes, enabling effective joint training of a single model across diverse domains and…

Computer Vision and Pattern Recognition · Computer Science 2025-08-14 Subin Varghese , Joshua Gao , Vedhus Hoskere

The automatic detection of changes or anomalies between multispectral and hyperspectral images collected at different time instants is an active and challenging research topic. To effectively perform change-point detection in multitemporal…

Signal Processing · Electrical Eng. & Systems 2022-11-28 Ricardo Augusto Borsoi , Cédric Richard , André Ferrari , Jie Chen , José Carlos Moreira Bermudez

3D Gaussian Splatting has recently emerged as a powerful tool for fast and accurate novel-view synthesis from a set of posed input images. However, like most novel-view synthesis approaches, it relies on accurate camera pose information,…

Computer Vision and Pattern Recognition · Computer Science 2024-10-14 Christian Schmidt , Jens Piekenbrinck , Bastian Leibe

Maintaining consistent 3D scene representations over time is a significant challenge in computer vision. Updating 3D scenes from sparse-view observations is crucial for various real-world applications, including urban planning, disaster…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Zeyuan An , Yanghang Xiao , Zhiying Leng , Frederick W. B. Li , Xiaohui Liang

As capturing devices become common, 3D scans of interior spaces are acquired on a daily basis. Through scene comparison over time, information about objects in the scene and their changes is inferred. This information is important for…

Computer Vision and Pattern Recognition · Computer Science 2023-12-05 Aikaterini Adam , Konstantinos Karantzalos , Lazaros Grammatikopoulos , Torsten Sattler

Standard online change point detection (CPD) methods tend to have large false discovery rates as their detections are sensitive to outliers. To overcome this drawback, we propose Greedy Online Change Point Detection (GOCPD), a…

Signal Processing · Electrical Eng. & Systems 2023-08-15 Jou-Hui Ho , Felipe Tobar

Semi-supervised change detection (SSCD) utilizes partially labeled data and abundant unlabeled data to detect differences between multi-temporal remote sensing images. The mainstream SSCD methods based on consistency regularization have…

Computer Vision and Pattern Recognition · Computer Science 2025-04-21 Yan Xing , Qi'ao Xu , Zongyu Guo , Rui Huang , Yuxiang Zhang

In a constant evolving world, change detection is of prime importance to keep updated maps. To better sense areas with complex geometry (urban areas in particular), considering 3D data appears to be an interesting alternative to classical…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Iris de Gélis , Sébastien Lefèvre , Thomas Corpetti

Achieving truly practical dynamic 3D reconstruction requires online operation, global pose and map consistency, detailed appearance modeling, and the flexibility to handle both RGB and RGB-D inputs. However, existing SLAM methods typically…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Shi Chen , Erik Sandström , Sandro Lombardi , Siyuan Li , Martin R. Oswald

Moving object detection (MOD) is a significant problem in computer vision that has many real world applications. Different categories of methods have been proposed to solve MOD. One of the challenges is to separate moving objects from…

Computer Vision and Pattern Recognition · Computer Science 2018-08-06 Fateme Bahri , Moein Shakeri , Nilanjan Ray

As scene changes with time map descriptors become outdated, affecting VPS localization accuracy. In this work, we propose an approach to detect structural and texture scene changes to be followed by map update. In our method - map includes…

Computer Vision and Pattern Recognition · Computer Science 2022-03-11 Itzik Wilf , Nati Daniel , Lin Manqing , Firas Shama , Omri Asraf , Feng Wensen , Ofer Kruzel

The prompt online detection of abrupt changes in image data is essential for timely decision-making in broad applications, from video surveillance to manufacturing quality control. Existing methods, however, face three key challenges.…

Methodology · Statistics 2025-04-15 Xiaojun Zheng , Simon Mak

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

Understanding 3D scenes is a critical prerequisite for autonomous agents. Recently, LiDAR and other sensors have made large amounts of data available in the form of temporal sequences of point cloud frames. In this work, we propose a novel…

Computer Vision and Pattern Recognition · Computer Science 2021-11-18 Pan He , Patrick Emami , Sanjay Ranka , Anand Rangarajan

Change detection (CD) is fundamental to computer vision and remote sensing, supporting applications in environmental monitoring, disaster response, and urban development. Most CD models assume co-registered inputs, yet real-world imagery…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Seyedehanita Madani , Rama Chellappa , Vishal M. Patel

Recently, there has been an upsurge in the research on maritime vision, where a lot of works are influenced by the application of computer vision for Unmanned Surface Vehicles (USVs). Various sensor modalities such as camera, radar, and…

Computer Vision and Pattern Recognition · Computer Science 2023-11-21 Linh Trinh , Ali Anwar , Siegfried Mercelis