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A significant fraction (4%-13%) of Antarctic sea ice remains stationary as landfast sea-ice ("fast ice"), typically anchored by grounded icebergs. Current global climate models do not represent fast-ice formation due to iceberg grounding,…

Numerical Analysis · Mathematics 2025-07-29 Carolin Mehlmann , Saskia Kahl

With the popularization of AI solutions for image based problems, there has been a growing concern for both data privacy and acquisition. In a large number of cases, information is located on separate data silos and it can be difficult for…

Computer Vision and Pattern Recognition · Computer Science 2024-09-26 Paul K. Mandal , Cole Leo

The vast majority of the outlet glaciers and ice streams of the polar ice sheets end in the ocean. Ice mass loss via calving of the glaciers into the ocean has increased over the last few decades. Information on the temporal variability of…

Image and Video Processing · Electrical Eng. & Systems 2021-10-26 Amirabbas Davari , Saahil Islam , Thorsten Seehaus , Matthias Braun , Andreas Maier , Vincent Christlein

Segmentation of retinal vessels from retinal fundus images is the key step in the automatic retinal image analysis. In this paper, we propose a new unsupervised automatic method to segment the retinal vessels from retinal fundus images.…

Computer Vision and Pattern Recognition · Computer Science 2017-07-21 Renoh Johnson Chalakkal , Waleed Abdulla

The use of Autonomous Surface Vessels (ASVs) is growing rapidly. For safe and efficient surface auto-driving, a reliable perception system is crucial. Such systems allow the vessels to sense their surroundings and make decisions based on…

Robotics · Computer Science 2023-10-03 Xueyao Liang , Hu Xu , Yuwei Cheng

Segmentation is a fundamental task for extracting semantically meaningful regions from an image. The goal of segmentation algorithms is to accurately assign object labels to each image location. However, image-noise, shortcomings of…

Computer Vision and Pattern Recognition · Computer Science 2016-10-06 Marc Niethammer , Kilian M. Pohl , Firdaus Janoos , William M. Wells

Recent results from high-resolution solar granulation observations indicate the existence of a population of small granular cells that are smaller than 600 km in diameter. These small convective cells strongly contribute to the total area…

Solar and Stellar Astrophysics · Physics 2015-05-05 B. Lemmerer , D. Utz , A. Hanslmeier , A. Veronig , S. Thonhofer , H. Grimm-Strele , R. Kariyappa

An algorithm is proposed for the segmentation of image into multiple levels using mean and standard deviation in the wavelet domain. The procedure provides for variable size segmentation with bigger block size around the mean, and having…

Marine Saliency Segmentation (MSS) plays a pivotal role in various vision-based marine exploration tasks. However, existing marine segmentation techniques face the dilemma of object mislocalization and imprecise boundaries due to the…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Laibin Chang , Yunke Wang , JiaXing Huang , Longxiang Deng , Bo Du , Chang Xu

Marine Animal Segmentation (MAS) aims at identifying and segmenting marine animals from complex marine environments. Most of previous deep learning-based MAS methods struggle with the long-distance modeling issue. Recently, Segment Anything…

Computer Vision and Pattern Recognition · Computer Science 2026-03-16 Pingping Zhang , Tianyu Yan , Yuhao Wang , Yang Liu , Tongdan Tang , Yili Ma , Long Lv , Feng Tian , Weibing Sun , and Huchuan Lu

Strong lensing is a powerful probe of the distribution of matter in the cores of clusters of galaxies. Recent studies suggest that the cold dark matter model predicts cores that are denser than those observed in galaxies, groups and…

Astrophysics · Physics 2009-10-31 J. S. B. Wyithe , E. L. Turner , D. N. Spergel

Context: Dynamical studies of irradiated circumstellar disks require an accurate treatment of radiation transport to, for example, properly determine cooling and fragmentation properties. The radiation transport algorithm should be as fast…

Solar and Stellar Astrophysics · Physics 2013-06-20 Rolf Kuiper , Ralf S. Klessen

In this article, we considered the problem of sea ice cover is melting. Considering the `satellite passive microwave remote sensing data' as functional data, we studied daily observation of sea ice cover of each year as a smooth continuous…

Applications · Statistics 2016-10-25 Purba Das , Ananya Lahiri , Sourish Das

Current climate shift has significant impacts on both quality and quantity of snow precipitation. This directly influences spatial variability of the snowpack as well as cumulative snow height. Contemporary glacier retreat reorganizes…

Geophysics · Physics 2021-06-15 Eric Bernard , Jean-Michel Friedt , Madeleine Griselin

The increasing size and complexity of medical imaging datasets, particularly in 3D formats, present significant barriers to collaborative research and transferability. This study investigates whether the ZFP compression technique can…

Computer Vision and Pattern Recognition · Computer Science 2025-12-18 Shimaa Elbana , Ahmad Kamal , Shahd Ahmed Ali , Ahmad Al-Kabbany

As an increasing amount of remote sensing data becomes available in the Arctic Ocean, data-driven machine learning (ML) techniques are becoming widely used to predict sea ice velocity (SIV) and sea ice concentration (SIC). However, fully…

Machine Learning · Computer Science 2025-10-21 Younghyun Koo , Maryam Rahnemoonfar

We examine the long-term correlations and multifractal properties of daily satellite retrievals of Arctic sea ice albedo and extent, for periods of $\sim$ 23 years and 32 years respectively. The approach harnesses a recent development…

Atmospheric and Oceanic Physics · Physics 2012-05-08 S. Agarwal , W. Moon , J. S. Wettlaufer

Medical image segmentation is crucial for clinical diagnosis and treatment planning, especially when dealing with complex anatomical structures such as vessels. However, accurately segmenting vessels remains challenging due to their small…

Image and Video Processing · Electrical Eng. & Systems 2025-06-25 Adnan Iltaf , Rayan Merghani Ahmed , Zhenxi Zhang , Bin Li , Shoujun Zhou

Video object segmentation (VOS) is an essential part of autonomous vehicle navigation. The real-time speed is very important for the autonomous vehicle algorithms along with the accuracy metric. In this paper, we propose a semi-supervised…

Computer Vision and Pattern Recognition · Computer Science 2021-10-29 Yaochen Li , Yuhui Hong , Yonghong Song , Chao Zhu , Ying Zhang , Ruihao Wang

The Argo project deploys thousands of floats throughout the world's oceans. Carried only by the current, these floats take measurements such as temperature and salinity at depths of up to two kilometers. These measurements are critical for…

Applications · Statistics 2022-10-04 Derek Hansen , Drew Yarger