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Accurate cloud property retrieval is vital for understanding cloud behavior and its impact on climate, including applications in weather forecasting, climate modeling, and estimating Earth's radiation balance. The Independent Pixel…

Computer Vision and Pattern Recognition · Computer Science 2025-04-10 Zahid Hassan Tushar , Adeleke Ademakinwa , Jianwu Wang , Zhibo Zhang , Sanjay Purushotham

The solar surface and atmosphere are highly dynamic plasma environments, which evolve over a wide range of temporal and spatial scales. Large-scale eruptions, such as coronal mass ejections, can be accelerated to millions of kilometres per…

Discrete point cloud objects lack sufficient shape descriptors of 3D geometries. In this paper, we present a novel method for aggregating hypothetical curves in point clouds. Sequences of connected points (curves) are initially grouped by…

Computer Vision and Pattern Recognition · Computer Science 2021-07-30 Tiange Xiang , Chaoyi Zhang , Yang Song , Jianhui Yu , Weidong Cai

There is an increasing number of real-world problems in computer vision and machine learning requiring to take into consideration multiple interpretation layers (modalities or views) of the world and learn how they relate to each other. For…

Computer Vision and Pattern Recognition · Computer Science 2024-02-14 Alexandru-Raul Todoran , Marius Leordeanu

The worldwide commercialization of fifth generation (5G) wireless networks and the exciting possibilities offered by connected and autonomous vehicles (CAVs) are pushing toward the deployment of heterogeneous sensors for tracking dynamic…

Image and Video Processing · Electrical Eng. & Systems 2022-02-03 Francesco Nardo , Davide Peressoni , Paolo Testolina , Marco Giordani , Andrea Zanella

LiDARs are usually more accurate than cameras in distance measuring. Hence, there is strong interest to apply LiDARs in autonomous driving. Different existing approaches process the rich 3D point clouds for object detection, tracking and…

Robotics · Computer Science 2020-10-15 You Li , Clément Le Bihan , Txomin Pourtau , Thomas Ristorcelli

This study aims to improve the accuracy of weather predictions by discovering spatial correlations between Earth observations and atmospheric states. Existing numerical weather prediction (NWP) systems predict future atmospheric states at…

Machine Learning · Computer Science 2025-11-11 Hyeon-Ju Jeon , Jeon-Ho Kang , In-Hyuk Kwon , O-Joun Lee

LiDAR point clouds contain measurements of complicated natural scenes and can be used to update digital elevation models, glacial monitoring, detecting faults and measuring uplift detecting, forest inventory, detect shoreline and beach…

Computer Vision and Pattern Recognition · Computer Science 2021-01-26 F. Patricia Medina , Randy Paffenroth

Atmospheric clouds exhibit complex three-dimensional structure and microphysical details that are poorly constrained by the predominantly two-dimensional satellite observations available at global scales. This mismatch complicates…

Atmospheric and Oceanic Physics · Physics 2026-04-13 Emily K. deJong , Nipun Gunawardena , Kevin Smalley , Hassan Beydoun , Peter Caldwell

The investigation of the statistical properties of maps of line centroids has been used for almost 50 years, but there is still no general agreement on their interpretation. We try to quantify which properties of underlying turbulent…

Astrophysics · Physics 2009-11-11 V. Ossenkopf , A. Esquivel , A. Lazarian , J. Stutzki

We suggest a method that evaluates the horizontal velocity in the solar photosphere with easily observable values using a combination of neural network and radiative magnetohydrodynamics simulations. All three-component velocities of…

Solar and Stellar Astrophysics · Physics 2023-09-06 Hiroyuki Masaki , Hideyuki Hotta , Yukio Katsukawa , Ryohtaroh T. Ishikawa

Knowing the behavior of solar radiation at a geographic location is essential for the use of energy from the sun using photovoltaic systems; however, the number of stations for measuring meteorological parameters and for determining the…

Machine Learning · Computer Science 2022-04-13 Luis Eduardo Ordoñez Palacios , Víctor Bucheli Guerrero , Hugo Ordoñez

We analyze clouds in the earth's atmosphere using ground-based sky cameras. An accurate segmentation of clouds in the captured sky/cloud image is difficult, owing to the fuzzy boundaries of clouds. Several techniques have been proposed that…

Atmospheric and Oceanic Physics · Physics 2020-01-08 Soumyabrata Dev , Atul Nautiyal , Yee Hui Lee , Stefan Winkler

Clouds are a common phenomenon that distorts optical satellite imagery, which poses a challenge for remote sensing. However, in the literature cloudless analysis is often performed where cloudy images are excluded from machine learning…

Computer Vision and Pattern Recognition · Computer Science 2026-05-01 Marco Stricker , Masakazu Iwamura , Koichi Kise

Sky illumination is a core source of lighting in rendering, and a substantial amount of work has been developed to simulate lighting from clear skies. However, in reality, clouds substantially alter the appearance of the sky and…

Graphics · Computer Science 2023-04-20 Pinar Satilmis , Thomas Bashford-Rogers

Smart monitoring using three-dimensional (3D) image sensors has been attracting attention in the context of smart cities. In smart monitoring, object detection from point cloud data acquired by 3D image sensors is implemented for detecting…

Computer Vision and Pattern Recognition · Computer Science 2022-09-27 Kairi Tokuda , Ryoichi Shinkuma , Takehiro Sato , Eiji Oki

Upcoming space-based coronagraphic instruments in the next decade will perform reflected light spectroscopy and photometry of cool, directly imaged extrasolar giant planets. We are developing a new atmospheric retrieval methodology to help…

Instrumentation and Methods for Astrophysics · Physics 2016-12-14 Roxana E. Lupu , Mark S. Marley , Nikole Lewis , Michael Line , Wesley A. Traub , Kevin Zahnle

Clouds frequently cover the Earth's surface and pose an omnipresent challenge to optical Earth observation methods. The vast majority of remote sensing approaches either selectively choose single cloud-free observations or employ a…

Computer Vision and Pattern Recognition · Computer Science 2018-12-04 Marc Rußwurm , Marco Körner

Recently, advances in machine learning techniques have attracted the attention of the research community to build intrusion detection systems (IDS) that can detect anomalies in the network traffic. Most of the research works, however, do…

Cryptography and Security · Computer Science 2018-12-14 Tara Salman , Deval Bhamare , Aiman Erbad , Raj Jain , Mohammed Samaka

Atmospheric processes involve both space and time. This is why human analysis of atmospheric imagery can often extract more information from animated loops of image sequences than from individual images. Automating such an analysis requires…

Computer Vision and Pattern Recognition · Computer Science 2022-10-26 Akansha Singh Bansal , Yoonjin Lee , Kyle Hilburn , Imme Ebert-Uphoff