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Tracking internal layers in radar echograms with high accuracy is essential for understanding ice sheet dynamics and quantifying the impact of accelerated ice discharge in Greenland and other polar regions due to contemporary global climate…

Computer Vision and Pattern Recognition · Computer Science 2025-05-05 Oluwanisola Ibikunle , Hara Talasila , Debvrat Varshney , Jilu Li , John Paden , Maryam Rahnemoonfar

Global warming is rapidly reducing glaciers and ice sheets across the world. Real time assessment of this reduction is required so as to monitor its global climatic impact. In this paper, we introduce a novel way of estimating the thickness…

Computer Vision and Pattern Recognition · Computer Science 2021-04-13 Debvrat Varshney , Maryam Rahnemoonfar , Masoud Yari , John Paden

Understanding the structure of Earth's polar ice sheets is important for modeling how global warming will impact polar ice and, in turn, the Earth's climate. Ground-penetrating radar is able to collect observations of the internal structure…

Computer Vision and Pattern Recognition · Computer Science 2021-04-07 Yuchen Wang , Mingze Xu , John Paden , Lora Koenig , Geoffrey Fox , David Crandall

Understanding Greenland's subglacial topography is critical for projecting the future mass loss of the ice sheet and its contribution to global sea-level rise. However, the complex and sparse nature of observational data, particularly…

Computer Vision and Pattern Recognition · Computer Science 2025-09-04 Bayu Adhi Tama , Mansa Krishna , Homayra Alam , Mostafa Cham , Omar Faruque , Gong Cheng , Jianwu Wang , Mathieu Morlighem , Vandana Janeja

As we deal with the effects of climate change and the increase of global atmospheric temperatures, the accurate tracking and prediction of ice layers within polar ice sheets grows in importance. Studying these ice layers reveals climate…

Machine Learning · Computer Science 2023-06-27 Benjamin Zalatan , Maryam Rahnemoonfar

Deep learning methods have surpassed the performance of traditional techniques on a wide range of problems in computer vision, but nearly all of this work has studied consumer photos, where precisely correct output is often not critical. It…

Computer Vision and Pattern Recognition · Computer Science 2018-07-24 Mingze Xu , Chenyou Fan , John D Paden , Geoffrey C Fox , David J Crandall

Internal ice layers imaged by radar provide key evidence of snow accumulation and ice dynamics, but radar-derived layer boundary observations are often incomplete, with discontinuous traces and sometimes entirely missing layers, due to…

Machine Learning · Computer Science 2026-05-12 Zesheng Liu , Maryam Rahnemoonfar

Ground-penetrating radar on planes and satellites now makes it practical to collect 3D observations of the subsurface structure of the polar ice sheets, providing crucial data for understanding and tracking global climate change. But…

Computer Vision and Pattern Recognition · Computer Science 2017-12-22 Mingze Xu , David J Crandall , Geoffrey C Fox , John D Paden

Ice thickness estimation is an important aspect of ice sheet studies. In this work, we use convolutional neural networks with multiple output nodes to regress and learn the thickness of internal ice layers in Snow Radar images collected in…

Artificial Intelligence · Computer Science 2021-11-17 Debvrat Varshney , Maryam Rahnemoonfar , Masoud Yari , John Paden

Learning spatio-temporal patterns of polar ice layers is crucial for monitoring the change in ice sheet balance and evaluating ice dynamic processes. While a few researchers focus on learning ice layer patterns from echogram images captured…

Machine Learning · Computer Science 2024-06-24 Zesheng Liu , Maryam Rahnemoonfar

The precise tracking and prediction of polar ice layers can unveil historic trends in snow accumulation. In recent years, airborne radar sensors, such as the Snow Radar, have been shown to be able to measure these internal ice layers over…

Machine Learning · Computer Science 2023-06-26 Benjamin Zalatan , Maryam Rahnemoonfar

Deep Learning is gaining traction with geophysics community to understand subsurface structures, such as fault detection or salt body in seismic data. This study describes using deep learning method for iceberg or ship recognition with…

Machine Learning · Computer Science 2018-12-19 Cheng Zhan , Licheng Zhang , Zhenzhen Zhong , Sher Didi-Ooi , Youzuo Lin , Yunxi Zhang , Shujiao Huang , Changchun Wang

Satellite-based radar retrieval methods are widely employed to fill coverage gaps in ground-based radar systems, especially in remote areas affected by terrain blockage and limited detection range. Existing methods predominantly rely on…

Signal Processing · Electrical Eng. & Systems 2025-12-17 Chunlei Shi , Han Xu , Yinghao Li , Yi-Lin Wei , Yongchao Feng , Yecheng Zhang , Dan Niu

Understanding spatio-temporal patterns in polar ice layers is essential for tracking changes in ice sheet balance and assessing ice dynamics. While convolutional neural networks are widely used in learning ice layer patterns from raw…

Machine Learning · Computer Science 2024-11-07 Zesheng Liu , Maryam Rahnemoonfar

Snow depth plays a central role in seasonal snowpack characterization and the terrestrial water cycle, yet remains challenging to estimate at high spatial resolution. Recent studies have shown that repeat-pass interferometric synthetic…

Computational Engineering, Finance, and Science · Computer Science 2026-04-21 Nayan Yadav , Shadi Oveisgharan , Shirin Jalali

Knowledge about frequency and location of snow avalanche activity is essential for forecasting and mapping of snow avalanche hazard. Traditional field monitoring of avalanche activity has limitations, especially when surveying large and…

Image and Video Processing · Electrical Eng. & Systems 2020-11-09 Filippo Maria Bianchi , Jakob Grahn , Markus Eckerstorfer , Eirik Malnes , Hannah Vickers

Snow avalanches present significant risks to human life and infrastructure, particularly in mountainous regions, making effective monitoring crucial. Traditional monitoring methods, such as field observations, are limited by accessibility,…

Computer Vision and Pattern Recognition · Computer Science 2025-02-26 Filippo Maria Bianchi , Jakob Grahn

High-resolution sea ice mapping using Synthetic Aperture Radar (SAR) is crucial for Arctic navigation and climate monitoring. However, operational ice charts provide only coarse, region-level polygons (weak labels), forcing automated…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Reda Elwaradi , Julien Gimenez , Stéphane Hordoir , Mehdi Ait Hamma , Adrien Chan-Hon-Tong , Flora Weissgerber

Understanding the thickness and variability of internal ice layers in radar imagery is crucial for monitoring snow accumulation, assessing ice dynamics, and reducing uncertainties in climate models. Radar sensors, capable of penetrating…

Machine Learning · Computer Science 2025-10-30 Zesheng Liu , Maryam Rahnemoonfar

Deep image registration has demonstrated exceptional accuracy and fast inference. Recent advances have adopted either multiple cascades or pyramid architectures to estimate dense deformation fields in a coarse-to-fine manner. However, due…

Computer Vision and Pattern Recognition · Computer Science 2024-07-19 Xinxing Cheng , Xi Jia , Wenqi Lu , Qiufu Li , Linlin Shen , Alexander Krull , Jinming Duan
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