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Unmanned aerial vehicles (UAVs) are frequently used for inspecting power lines and capturing high-resolution aerial images. However, detecting power lines in aerial images is difficult,as the foreground data(i.e, power lines) is small and…

Computer Vision and Pattern Recognition · Computer Science 2023-09-01 Deyu An , Qiang Zhang , Jianshu Chao , Ting Li , Feng Qiao , Yong Deng , Zhenpeng Bian

Image translation with convolutional autoencoders has recently been used as an approach to multimodal change detection in bitemporal satellite images. A main challenge is the alignment of the code spaces by reducing the contribution of…

Computer Vision and Pattern Recognition · Computer Science 2020-04-16 Luigi T. Luppino , Mads A. Hansen , Michael Kampffmeyer , Filippo M. Bianchi , Gabriele Moser , Robert Jenssen , Stian N. Anfinsen

Convolutional neural network (CNN) based methods have achieved great successes in medical image segmentation, but their capability to learn global representations is still limited due to using small effective receptive fields of convolution…

Computer Vision and Pattern Recognition · Computer Science 2022-11-17 Pengfei Gu , Yejia Zhang , Chaoli Wang , Danny Z. Chen

Transformer-based models have achieved strong performance in remote sensing image captioning by capturing long-range dependencies and contextual information. However, their practical deployment is hindered by high computational costs,…

Computer Vision and Pattern Recognition · Computer Science 2025-06-12 Swadhin Das , Divyansh Mundra , Priyanshu Dayal , Raksha Sharma

State-of-the-art approaches to infer dense depth measurements from images rely on CNNs trained end-to-end on a vast amount of data. However, these approaches suffer a drastic drop in accuracy when dealing with environments much different in…

Computer Vision and Pattern Recognition · Computer Science 2019-09-10 Alessio Tonioni , Matteo Poggi , Stefano Mattoccia , Luigi Di Stefano

A high-precision feature extraction model is crucial for change detection (CD). In the past, many deep learning-based supervised CD methods learned to recognize change feature patterns from a large number of labelled bi-temporal images,…

Computer Vision and Pattern Recognition · Computer Science 2024-04-23 Chengxi Han , Chen Wu , Meiqi Hu , Jiepan Li , Hongruixuan Chen

In this work, we explore the usage of the Frequency Transformation for reducing the domain shift between the source and target domain (e.g., synthetic image and real image respectively) towards solving the Domain Adaptation task. Most of…

Computer Vision and Pattern Recognition · Computer Science 2024-07-30 Vikash Kumar , Himanshu Patil , Rohit Lal , Anirban Chakraborty

Over the last few years, Unsupervised Domain Adaptation (UDA) techniques have acquired remarkable importance and popularity in computer vision. However, when compared to the extensive literature available for images, the field of videos is…

Computer Vision and Pattern Recognition · Computer Science 2022-07-27 Victor G. Turrisi da Costa , Giacomo Zara , Paolo Rota , Thiago Oliveira-Santos , Nicu Sebe , Vittorio Murino , Elisa Ricci

Archetypal scenarios for change detection generally consider two images acquired through sensors of the same modality. However, in some specific cases such as emergency situations, the only images available may be those acquired through…

Image and Video Processing · Electrical Eng. & Systems 2019-09-04 Vinicius Ferraris , Nicolas Dobigeon , Yanna Cavalcanti , Thomas Oberlin , Marie Chabert

Recent advances in unsupervised domain adaptation (UDA) show that transferable prototypical learning presents a powerful means for class conditional alignment, which encourages the closeness of cross-domain class centroids. However, the…

Computer Vision and Pattern Recognition · Computer Science 2021-01-12 Xiaofeng Liu , Xiongchang Liu , Bo Hu , Wenxuan Ji , Fangxu Xing , Jun Lu , Jane You , C. -C. Jay Kuo , Georges El Fakhri , Jonghye Woo

Change detection (CD) is a critical task in studying the dynamics of ecosystems and human activities using multi-temporal remote sensing images. While deep learning has shown promising results in CD tasks, it requires a large number of…

Computer Vision and Pattern Recognition · Computer Science 2023-10-03 Hongruixuan Chen , Jian Song , Chen Wu , Bo Du , Naoto Yokoya

Multi-sensor modal fusion has demonstrated strong advantages in 3D object detection tasks. However, existing methods that fuse multi-modal features require transforming features into the bird's eye view space and may lose certain…

Computer Vision and Pattern Recognition · Computer Science 2023-10-10 Chunyong Hu , Hang Zheng , Kun Li , Jianyun Xu , Weibo Mao , Maochun Luo , Lingxuan Wang , Mingxia Chen , Qihao Peng , Kaixuan Liu , Yiru Zhao , Peihan Hao , Minzhe Liu , Kaicheng Yu

Unsupervised Domain Adaptation (UDA) addresses the problem of performance degradation due to domain shift between training and testing sets, which is common in computer vision applications. Most existing UDA approaches are based on…

Computer Vision and Pattern Recognition · Computer Science 2019-05-14 Songsong Wu , Yan Yan , Hao Tang , Jianjun Qian , Jian Zhang , Xiao-Yuan Jing

Image-to-image translation architectures may have limited effectiveness in some circumstances. For example, while generating rainy scenarios, they may fail to model typical traits of rain as water drops, and this ultimately impacts the…

Computer Vision and Pattern Recognition · Computer Science 2020-03-17 Fabio Pizzati , Raoul de Charette , Michela Zaccaria , Pietro Cerri

Unsupervised domain adaptation (UDA) plays a crucial role in object detection when adapting a source-trained detector to a target domain without annotated data. In this paper, we propose a novel and effective four-step UDA approach that…

Computer Vision and Pattern Recognition · Computer Science 2023-08-30 Mohamed L. Mekhalfi , Davide Boscaini , Fabio Poiesi

LiDAR and camera are two important sensors for 3D object detection in autonomous driving. Despite the increasing popularity of sensor fusion in this field, the robustness against inferior image conditions, e.g., bad illumination and sensor…

Computer Vision and Pattern Recognition · Computer Science 2022-03-23 Xuyang Bai , Zeyu Hu , Xinge Zhu , Qingqiu Huang , Yilun Chen , Hongbo Fu , Chiew-Lan Tai

By hiding the front-facing camera below the display panel, Under-Display Camera (UDC) provides users with a full-screen experience. However, due to the characteristics of the display, images taken by UDC suffer from significant quality…

Computer Vision and Pattern Recognition · Computer Science 2023-12-04 Jingfan Tan , Xiaoxu Chen , Tao Wang , Kaihao Zhang , Wenhan Luo , Xiaocun Cao

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

Current unsupervised domain adaptation methods can address many types of distribution shift, but they assume data from the source domain is freely available. As the use of pre-trained models becomes more prevalent, it is reasonable to…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Roshni Sahoo , Divya Shanmugam , John Guttag

Aiming to restore the original intensity of shadow regions in an image and make them compatible with the remaining non-shadow regions without a trace, shadow removal is a very challenging problem that benefits many downstream…

Computer Vision and Pattern Recognition · Computer Science 2022-07-05 Jin Wan , Hui Yin , Zhenyao Wu , Xinyi Wu , Zhihao Liu , Song Wang