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Online Scene Change Detection (SCD) is an extremely challenging problem that requires an agent to detect relevant changes on the fly while observing the scene from unconstrained viewpoints. Existing online SCD methods are significantly less…

Computer Vision and Pattern Recognition · Computer Science 2026-02-25 Chamuditha Jayanga Galappaththige , Jason Lai , Lloyd Windrim , Donald Dansereau , Niko Sünderhauf , Dimity Miller

Multimodal remote sensing technology significantly enhances the understanding of surface semantics by integrating heterogeneous data such as optical images, Synthetic Aperture Radar (SAR), and Digital Surface Models (DSM). However, in…

Computer Vision and Pattern Recognition · Computer Science 2026-01-27 Tong Wang , Xiaodong Zhang , Guanzhou Chen , Jiaqi Wang , Chenxi Liu , Xiaoliang Tan , Wenchao Guo , Xuyang Li , Xuanrui Wang , Zifan Wang

Speaker Change Detection (SCD) is to identify boundaries among speakers in a conversation. Motivated by the success of fine-tuning wav2vec 2.0 models for the SCD task, a further investigation of self-supervised learning (SSL) features for…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-13 Yue Li , Xinsheng Wang , Li Zhang , Lei Xie

The assessment of segmentation quality plays a fundamental role in the development, optimization, and comparison of segmentation methods which are used in a wide range of applications. With few exceptions, quality assessment is performed…

Computer Vision and Pattern Recognition · Computer Science 2025-04-02 Niklas Rottmayer , Claudia Redenbach

Weakly-supervised change detection (WSCD) aims to detect pixel-level changes with only image-level annotations. Owing to its label efficiency, WSCD is drawing increasing attention recently. However, current WSCD methods often encounter the…

Computer Vision and Pattern Recognition · Computer Science 2024-04-12 Zhenghui Zhao , Lixiang Ru , Chen Wu

Scene change detection is an image processing problem related to partitioning pixels of a digital image into foreground and background regions. Mostly, visual knowledge-based computer intelligent systems, like traffic monitoring, video…

Computer Vision and Pattern Recognition · Computer Science 2022-12-21 Daniel F. S. Santos , Rafael G. Pires , Danilo Colombo , João P. Papa

Image copy detection is an important task for content moderation. We introduce SSCD, a model that builds on a recent self-supervised contrastive training objective. We adapt this method to the copy detection task by changing the…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Ed Pizzi , Sreya Dutta Roy , Sugosh Nagavara Ravindra , Priya Goyal , Matthijs Douze

Remote sensing images contain complex spatial patterns and semantic structures, which makes the captioning model difficult to accurately describe. Encoder-decoder architectures have become the widely used approach for RSIC by translating…

Computer Vision and Pattern Recognition · Computer Science 2026-05-01 Swadhin Das , Raksha Sharma

In Remote Sensing (RS), Parameter-Efficient Fine-Tuning (PEFT) has emerged as a key approach to activate the generalizable representation ability of foundation models for downstream tasks. However, existing specialized PEFT methods often…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Shilei Cao , Ziyang Gong , Hehai Lin , Yang Liu , Jiashun Cheng , Xiaoxing Hu , Haoyuan Liang , Guowen Li , Chengwei Qin , Hong Cheng , Xue Yang , Juepeng Zheng , Haohuan Fu

Domain Generalized Semantic Segmentation (DGSS) seeks to utilize source domain data exclusively to enhance the generalization of semantic segmentation across unknown target domains. Prevailing studies predominantly concentrate on feature…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Hongwei Niu , Linhuang Xie , Jianghang Lin , Shengchuan Zhang

Change detection from high-resolution remote sensing images lies as a cornerstone of Earth observation applications, yet its efficacy is often compromised by two critical challenges. First, false alarms are prevalent as models misinterpret…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Zhongxiang Xie , Shuangxi Miao , Yuhan Jiang , Zhewei Zhang , Jing Yao , Xuecao Li , Jianxi Huang , Pedram Ghamisi

Salient object detection (SOD) in RGB-D images is an essential task in computer vision, enabling applications in scene understanding, robotics, and augmented reality. However, existing methods struggle to capture global dependency across…

Computer Vision and Pattern Recognition · Computer Science 2025-03-05 Gargi Panda , Soumitra Kundu , Saumik Bhattacharya , Aurobinda Routray

Change detection (CD) identifies scene changes from multi-temporal observations and is widely used in urban development and environmental monitoring. Most existing CD methods rely on supervised learning, making performance strongly…

Computer Vision and Pattern Recognition · Computer Science 2025-12-19 Ziqiang Zhu , Bowei Yang

Foundation models have garnered increasing attention for representation learning in remote sensing. Many such foundation models adopt approaches that have demonstrated success in computer vision with minimal domain-specific modification.…

Computer Vision and Pattern Recognition · Computer Science 2026-01-28 Kevin Lane , Morteza Karimzadeh

Remote sensing image change captioning (RSICC) aims to achieve high-level semantic understanding of genuine changes occurring between bi-temporal images. Despite notable progress, existing methods are fundamentally limited by a shared…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Man Wang , Chenyang Liu , Wenjun Li , Feng Ni , Bing Jia , Baoqi Huang , Riting Xia , Zhenwei Shi

Change detection, i.e. identification per pixel of changes for some classes of interest from a set of bi-temporal co-registered images, is a fundamental task in the field of remote sensing. It remains challenging due to unrelated forms of…

Computer Vision and Pattern Recognition · Computer Science 2021-09-20 Foivos I. Diakogiannis , François Waldner , Peter Caccetta

Weakly-Supervised Change Detection (WSCD) aims to distinguish specific object changes (e.g., objects appearing or disappearing) from background variations (e.g., environmental changes due to light, weather, or seasonal shifts) in paired…

Computer Vision and Pattern Recognition · Computer Science 2025-12-15 Zhenghui Zhao , Chen Wu , Di Wang , Hongruixuan Chen , Cuiqun Chen , Zhuo Zheng , Bo Du , Liangpei Zhang

In multi-talker scenarios such as meetings and conversations, speech processing systems are usually required to segment the audio and then transcribe each segmentation. These two stages are addressed separately by speaker change detection…

Sound · Computer Science 2022-11-18 Zhiyun Fan , Zhenlin Liang , Linhao Dong , Yi Liu , Shiyu Zhou , Meng Cai , Jun Zhang , Zejun Ma , Bo Xu

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

Remote sensing image segmentation faces persistent challenges in distinguishing morphologically similar categories and adapting to diverse scene variations. While existing methods rely on implicit representation learning paradigms, they…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Xuechao Zou , Yue Li , Shun Zhang , Kai Li , Shiying Wang , Pin Tao , Junliang Xing , Congyan Lang