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Most existing adversarial attack methods for remote sensing images merely add adversarial perturbations or patches, resulting in unnatural modifications. Clouds are common atmospheric effects in remote sensing images. Generating clouds on…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Fei Ma , Yuqiang Feng , Fan Zhang , Yongsheng Zhou

In recent years new application areas have emerged in which one aims to capture the geometry of objects by means of three-dimensional point clouds. Often the obtained data consist of a dense sampling of the object's surface, containing many…

Numerical Analysis · Mathematics 2019-10-01 Daniel Tenbrinck , Fjedor Gaede , Martin Burger

Estimates of image gradients play a ubiquitous role in image segmentation and classification problems since gradients directly relate to the boundaries or the edges of a scene. This paper proposes an unified approach to gradient estimation…

Computer Vision and Pattern Recognition · Computer Science 2016-05-10 Anish Acharya , Uddipan Mukherjee , Charless Fowlkes

This work has been accepted by IEEE TGRS for publication. The majority of optical observations acquired via spaceborne earth imagery are affected by clouds. While there is numerous prior work on reconstructing cloud-covered information,…

Image and Video Processing · Electrical Eng. & Systems 2021-07-07 Patrick Ebel , Andrea Meraner , Michael Schmitt , Xiaoxiang Zhu

Convolutional neural network (CNN) have proven its success for semantic segmentation, which is a core task of emerging industrial applications such as autonomous driving. However, most progress in semantic segmentation of urban scenes is…

Computer Vision and Pattern Recognition · Computer Science 2021-07-01 Jiawei Chen , Yuexiang Li , Kai Ma , Yefeng Zheng

Scene understanding is crucial for autonomous robots in dynamic environments for making future state predictions, avoiding collisions, and path planning. Camera and LiDAR perception made tremendous progress in recent years, but face…

Computer Vision and Pattern Recognition · Computer Science 2022-12-08 Matthias Zeller , Jens Behley , Michael Heidingsfeld , Cyrill Stachniss

Recent developments in the 3D scanning technologies have made the generation of highly accurate 3D point clouds relatively easy but the segmentation of these point clouds remains a challenging area. A number of techniques have set precedent…

Computer Vision and Pattern Recognition · Computer Science 2018-06-25 Omair Hassaan , Abeera Shamail , Zain Butt , Murtaza Taj

Despite continuous improvements, precipitation forecasts are still not as accurate and reliable as those of other meteorological variables. A major contributing factor to this is that several key processes affecting precipitation…

Atmospheric and Oceanic Physics · Physics 2022-11-09 Lucy Harris , Andrew T. T. McRae , Matthew Chantry , Peter D. Dueben , Tim N. Palmer

In this paper we propose an approach to perform semantic segmentation of 3D point cloud data by importing the geographic information from a 2D GIS layer (OpenStreetMap). The proposed automatic procedure identifies meaningful units such as…

Computer Vision and Pattern Recognition · Computer Science 2021-08-16 Chao-Jung Liu , Vladimir Krylov , Rozenn Dahyot

For monitoring the night sky conditions, wide-angle all-sky cameras are used in most astronomical observatories to monitor the sky cloudiness. In this manuscript, we apply a deep-learning approach for automating the identification of…

Instrumentation and Methods for Astrophysics · Physics 2025-03-25 Mohammad H. Zhoolideh Haghighi , Alireza Ghasrimanesh , Habib Khosroshahi

Clouds significantly affect the quality of optical satellite images, which seriously limits their precise application. Recently, deep learning has been widely applied to cloud detection and has achieved satisfactory results. However, the…

Computer Vision and Pattern Recognition · Computer Science 2026-03-06 Shaocong Zhu , Zhiwei Li , Xinghua Li , Huanfeng Shen

Deep learning has led to many recent advances in object detection and instance segmentation, among other computer vision tasks. These advancements have led to wide application of deep learning based methods and related methodologies in…

Computer Vision and Pattern Recognition · Computer Science 2023-03-09 Chintan Tundia , Rajiv Kumar , Om Damani , G. Sivakumar

An entropy-based image segmentation approach is introduced and applied to color images obtained from Google Earth. Segmentation refers to the process of partitioning a digital image in order to locate different objects and regions of…

Computational Physics · Physics 2009-11-10 A. L. Barbieri , G. Arruda , F. A. Rodrigues , O. M. Bruno , L. da F. Costa

Automatic building segmentation is an important task for satellite imagery analysis and scene understanding. Most existing segmentation methods focus on the case where the images are taken from directly overhead (i.e., low off-nadir/viewing…

Computer Vision and Pattern Recognition · Computer Science 2021-09-10 Hanxiang Hao , Sriram Baireddy , Kevin LaTourette , Latisha Konz , Moses Chan , Mary L. Comer , Edward J. Delp

3D instance segmentation is crucial for obtaining an understanding of a point cloud scene. This paper presents a novel neural network architecture for performing instance segmentation on 3D point clouds. We propose to jointly learn…

Computer Vision and Pattern Recognition · Computer Science 2024-10-04 Remco Royen , Leon Denis , Adrian Munteanu

In precision agriculture, one of the most important tasks when exploring crop production is identifying individual plant components. There are several attempts to accomplish this task by the use of traditional 2D imaging, 3D…

Computer Vision and Pattern Recognition · Computer Science 2025-07-03 J. I. Ruiz-Martinez , A. Mendez-Vazquez , E. Rodriguez-Tello

Semantic segmentation of raw 3D point clouds is an essential component in 3D scene analysis, but it poses several challenges, primarily due to the non-Euclidean nature of 3D point clouds. Although, several deep learning based approaches…

Computer Vision and Pattern Recognition · Computer Science 2020-12-01 Saqib Ali Khan , Yilei Shi , Muhammad Shahzad , Xiao Xiang Zhu

High-resolution aerial images have a wide range of applications, such as military exploration, and urban planning. Semantic segmentation is a fundamental method extensively used in the analysis of high-resolution aerial images. However, the…

Computer Vision and Pattern Recognition · Computer Science 2019-07-09 Jingbo Lin , Weipeng Jing , Houbing Song

We focus on the problem of class-agnostic instance segmentation of LiDAR point clouds. We propose an approach that combines graph-theoretic search with data-driven learning: it searches over a set of candidate segmentations and returns one…

Robotics · Computer Science 2019-12-12 Peiyun Hu , David Held , Deva Ramanan

High-resolution rainfall observations are crucial for weather forecasting, water management, and hazard mitigation. Traditional operational measurements are often biased and low-resolution, limiting their ability to capture local rainfall.…

Machine Learning · Computer Science 2026-05-08 Rafael Pablos Sarabia , Joachim Nyborg , Morten Birk , Ira Assent
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