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相关论文: Deep Learning-based Bathymetry Retrieval without I…

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The determination of accurate bathymetric information is a key element for near offshore activities, hydrological studies such as coastal engineering applications, sedimentary processes, hydrographic surveying as well as archaeological…

计算机视觉与模式识别 · 计算机科学 2020-02-19 Panagiotis Agrafiotis , Dimitrios Skarlatos , Andreas Georgopoulos , Konstantinos Karantzalos

We propose a novel data-driven approach for high-resolution bathymetric reconstruction from sidescan. Sidescan sonar (SSS) intensities as a function of range do contain some information about the slope of the seabed. However, that…

机器人学 · 计算机科学 2022-06-17 Yiping Xie , Nils Bore , John Folkesson

Accurate, detailed, and regularly updated bathymetry, coupled with complex semantic content, is essential for under-mapped shallow-water environments facing increasing climatological and anthropogenic pressures. However, existing approaches…

计算机视觉与模式识别 · 计算机科学 2025-11-12 Panagiotis Agrafiotis , Begüm Demir

Deploying Sentinel-2 satellite derived bathymetry (SDB) robustly across sites remains challenging. We analyze a Swin-Transformer based U-Net model (Swin-BathyUNet) to understand how it infers depth and when its predictions are trustworthy.…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Satyaki Roy Chowdhury , Aswathnarayan Radhakrishnan , Hsiao Jou Hsu , Hari Subramoni , Joachim Moortgat

Accurate, detailed, and high-frequent bathymetry, coupled with complex semantic content, is crucial for the undermapped shallow seabed areas facing intense climatological and anthropogenic pressures. Current methods exploiting remote…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Panagiotis Agrafiotis , Łukasz Janowski , Dimitrios Skarlatos , Begüm Demir

Accurate prediction of shallow water flows relies on precise bottom topography data, yet direct bathymetric surveys are expensive and time-consuming. In contrast, remote sensing platforms such as radar or satellite altimetry provide…

数值分析 · 数学 2026-03-13 Falko Ruppenthal , Dmitri Kuzmin

Accurate image-based bathymetric mapping in shallow waters remains challenging due to the complex optical distortions such as wave induced patterns, scattering and sunglint, introduced by the dynamic water surface, the water column…

图像与视频处理 · 电气工程与系统科学 2025-11-12 Maximilian Kromer , Panagiotis Agrafiotis , Begüm Demir

Due to the irregular space-time sampling of sea surface observations, the reconstruction of sea surface dynamics is a challenging inverse problem. While satellite altimetry provides a direct observation of the sea surface height (SSH),…

图像与视频处理 · 电气工程与系统科学 2023-07-19 Ronan Fablet , Quentin Febvre , Bertrand Chapron

Recently, the application of deep learning to change detection (CD) has significantly progressed in remote sensing images. In recent years, CD tasks have mostly used architectures such as CNN and Transformer to identify these changes.…

计算机视觉与模式识别 · 计算机科学 2024-01-18 Jia Jia , Geunho Lee , Zhibo Wang , Lyu Zhi , Yuchu He

This paper introduces a network architecture to solve the structure-from-motion (SfM) problem via feature-metric bundle adjustment (BA), which explicitly enforces multi-view geometry constraints in the form of feature-metric error. The…

计算机视觉与模式识别 · 计算机科学 2019-08-27 Chengzhou Tang , Ping Tan

This research addresses the challenge of estimating bathymetry from imaging sonars where the state-of-the-art works have primarily relied on either supervised learning with ground-truth labels or surface rendering based on the Lambertian…

机器人学 · 计算机科学 2024-08-20 Yiping Xie , Giancarlo Troni , Nils Bore , John Folkesson

Oceanic processes at fine scales are crucial yet difficult to observe accurately due to limitations in satellite and in-situ measurements. The Surface Water and Ocean Topography (SWOT) mission provides high-resolution Sea Surface Height…

大气与海洋物理 · 物理学 2025-03-28 Eugenio Cutolo , Carlos Granero-Belinchon , Ptashanna Thiraux , Jinbo Wang , Ronan Fablet

Accurate mapping of ocean bathymetry is a multi-faceted process, needed for safe and efficient navigation on shipping routes and for predicting tsunami waves. Currently available bathymetry data does not always provide the resolution to…

流体动力学 · 物理学 2020-03-12 N. K. -R. Kevlahan , R. A. Khan

Purpose: The scarcity of high-quality curated labeled medical training data remains one of the major limitations in applying artificial intelligence (AI) systems to breast cancer diagnosis. Deep models for mammogram analysis and mass (or…

计算机视觉与模式识别 · 计算机科学 2025-04-29 Han Chen , Anne L. Martel

We present 3DVNet, a novel multi-view stereo (MVS) depth-prediction method that combines the advantages of previous depth-based and volumetric MVS approaches. Our key idea is the use of a 3D scene-modeling network that iteratively updates a…

计算机视觉与模式识别 · 计算机科学 2021-12-02 Alexander Rich , Noah Stier , Pradeep Sen , Tobias Höllerer

Simultaneous localization and mapping (SLAM) frameworks for autonomous navigation rely on robust data association to identify loop closures for back-end trajectory optimization. In the case of autonomous underwater vehicles (AUVs) equipped…

机器人学 · 计算机科学 2022-09-20 Jiarui Tan , Ignacio Torroba , Yiping Xie , John Folkesson

Nearshore bathymetry, the topography of the ocean floor in coastal zones, is vital for predicting the surf zone hydrodynamics and for route planning to avoid subsurface features. Hence, it is increasingly important for a wide variety of…

Bathymetry reconstruction is an important problem in various fields, including oceanography and environmental monitoring. This paper presents a Bayesian inference approach to reconstructing bathymetries from point measurements of the water…

应用统计 · 统计学 2026-04-22 Lars Stietz , Sebastian Götschel , Peter Schleper , Daniel Ruprecht

We propose a new method to tackle the mapping challenge from time-series data to spatial image in the field of seismic exploration, i.e., reconstructing the velocity model directly from seismic data by deep neural networks (DNNs). The…

计算机视觉与模式识别 · 计算机科学 2020-06-29 Shucai Li , Bin Liu , Yuxiao Ren , Yangkang Chen , Senlin Yang , Yunhai Wang , Peng Jiang

Underwater scene reconstruction poses a substantial challenge because of the intricate interplay between light and the medium, resulting in scattering and absorption effects that make both depth estimation and rendering more complex. While…

计算机视觉与模式识别 · 计算机科学 2025-01-22 Shuyi Hu , Qi Liu
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