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Identifying the locations and footprints of buildings is vital for many practical and scientific purposes. Such information can be particularly useful in developing regions where alternative data sources may be scarce. In this work, we…

Computer Vision and Pattern Recognition · Computer Science 2021-08-02 Wojciech Sirko , Sergii Kashubin , Marvin Ritter , Abigail Annkah , Yasser Salah Eddine Bouchareb , Yann Dauphin , Daniel Keysers , Maxim Neumann , Moustapha Cisse , John Quinn

Geo-localizing static objects from street images is challenging but also very important for road asset mapping and autonomous driving. In this paper we present a two-stage framework that detects and geolocalizes traffic signs from low frame…

Computer Vision and Pattern Recognition · Computer Science 2021-07-14 Daniel Wilson , Thayer Alshaabi , Colin Van Oort , Xiaohan Zhang , Jonathan Nelson , Safwan Wshah

Glass-like objects can be seen everywhere in our daily life which are very hard for existing methods to segment them. The properties of transparencies pose great challenges of detecting them from the chaotic background and the vague…

Computer Vision and Pattern Recognition · Computer Science 2024-02-15 Zhiyu Xu , Qingliang Chen

Building extraction in VHR RSIs remains a challenging task due to occlusion and boundary ambiguity problems. Although conventional convolutional neural networks (CNNs) based methods are capable of exploiting local texture and context…

Computer Vision and Pattern Recognition · Computer Science 2021-12-21 Lei Ding , Hao Tang , Yahui Liu , Yilei Shi , Xiao Xiang Zhu , Lorenzo Bruzzone

Capturing global contextual representations by exploiting long-range pixel-pixel dependencies has shown to improve semantic segmentation performance. However, how to do this efficiently is an open question as current approaches of utilising…

Computer Vision and Pattern Recognition · Computer Science 2021-01-05 Qinghui Liu , Michael Kampffmeyer , Robert Jenssen , Arnt-Børre Salberg

Pixel-level semantic segmentation is a challenging task with a huge amount of computation, especially if the size of input is large. In the segmentation model, apart from the feature extraction, the extra decoder structure is often employed…

Computer Vision and Pattern Recognition · Computer Science 2019-06-19 Xiaoyu Chen , Xiaotian Lou , Lianfa Bai , Jing Han

This paper aims to investigate representation learning for large scale visual place recognition, which consists of determining the location depicted in a query image by referring to a database of reference images. This is a challenging task…

Computer Vision and Pattern Recognition · Computer Science 2022-10-20 Amar Ali-bey , Brahim Chaib-draa , Philippe Giguère

Visual localization is of great importance in robotics and computer vision. Recently, scene coordinate regression based methods have shown good performance in visual localization in small static scenes. However, it still estimates camera…

Computer Vision and Pattern Recognition · Computer Science 2021-05-25 Zhaoyang Huang , Han Zhou , Yijin Li , Bangbang Yang , Yan Xu , Xiaowei Zhou , Hujun Bao , Guofeng Zhang , Hongsheng Li

Accurate identification of complex terrain characteristics, such as soil composition and coefficient of friction, is essential for model-based planning and control of mobile robots in off-road environments. Spectral signatures leverage…

Robotics · Computer Science 2024-05-09 Sarvesh Prajapati , Ananya Trivedi , Bruce Maxwell , Taskin Padir

We consider the problem in Synthetic Aperture RADAR (SAR) of identifying and classifying objects located on the ground by means of Convolutional Neural Networks (CNNs). Specifically, we adopt a single scattering approximation to classify…

Computer Vision and Pattern Recognition · Computer Science 2025-08-07 Romina Gaburro , Patrick Healy , Shraddha Naidu , Clifford Nolan

Accurate estimation of building heights using very high resolution (VHR) synthetic aperture radar (SAR) imagery is crucial for various urban applications. This paper introduces a Deep Learning (DL)-based methodology for automated building…

Computer Vision and Pattern Recognition · Computer Science 2025-07-14 Babak Memar , Luigi Russo , Silvia Liberata Ullo , Paolo Gamba

This paper considers the problem of extracting building footprints from satellite imagery -- a task that is critical for many urban planning and decision-making applications. While recent advancements in deep learning have made great…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Muhammad Ahmad Waseem , Muhammad Tahir , Zubair Khalid , Momin Uppal

Synthetic aperture radar (SAR) image change detection is a vital yet challenging task in the field of remote sensing image analysis. Most previous works adopt a self-supervised method which uses pseudo-labeled samples to guide subsequent…

Computer Vision and Pattern Recognition · Computer Science 2022-02-10 Junjie Wang , Feng Gao , Junyu Dong , Shan Zhang , Qian Du

Achieving accurate material segmentation for 3-channel RGB images is challenging due to the considerable variation in a material's appearance. Hyperspectral images, which are sets of spectral measurements sampled at multiple wavelengths,…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Yuwen Heng , Yihong Wu , Jiawen Chen , Srinandan Dasmahapatra , Hansung Kim

The task of identifying and segmenting buildings within remote sensing imagery has perennially stood at the forefront of scholarly investigations. This manuscript accentuates the potency of harnessing diversified datasets in tandem with…

Computer Vision and Pattern Recognition · Computer Science 2023-10-27 Lei Li

The clutter in the ground-penetrating radar (GPR) radargram disguises or distorts subsurface target responses, which severely affects the accuracy of target detection and identification. Existing clutter removal methods either leave…

Signal Processing · Electrical Eng. & Systems 2022-06-15 Hai-Han Sun , Weixia Cheng , Zheng Fan

Remote sensing is extensively used in cartography. As transportation networks grow and change, extracting roads automatically from satellite images is crucial to keep maps up-to-date. Synthetic Aperture Radar satellites can provide high…

Computer Vision and Pattern Recognition · Computer Science 2018-08-17 Corentin Henry , Seyed Majid Azimi , Nina Merkle

The image classification problem has been deeply investigated by the research community, with computer vision algorithms and with the help of Neural Networks. The aim of this paper is to build an image classifier for satellite images of…

Computer Vision and Pattern Recognition · Computer Science 2021-10-01 Jonas Bokstaller , Yihang She , Zhehan Fu , Tommaso Macrì

Land cover maps generated from semantic segmentation of high-resolution remotely sensed images have drawn mucon in the photogrammetry and remote sensing research community. Currently, massive fine-resolution remotely sensed (FRRS) images…

Computer Vision and Pattern Recognition · Computer Science 2025-06-30 Naftaly Wambugu , Ruisheng Wang , Bo Guo , Tianshu Yu , Sheng Xu , Mohammed Elhassan

Most advances in single image de-raining meet a key challenge, which is removing rain streaks with different scales and shapes while preserving image details. Existing single image de-raining approaches treat rain-streak removal as a…

Computer Vision and Pattern Recognition · Computer Science 2019-09-27 Zhe Huang , Weijiang Yu , Wayne Zhang , Litong Feng , Nong Xiao