Results 11 to 20 of about 465 (179)

Automated high-resolution satellite-derived coastal bathymetry mapping

open access: yesInternational Journal of Applied Earth Observations and Geoinformation, 2022
Accurate and up-to-date maps of coastal bathymetry are fundamental for coastal resource management, commercial and military navigation, and aquaculture, among many applications.
Matthew J. McCarthy   +3 more
doaj   +2 more sources

A Review of Advancements and Applications of Satellite-Derived Bathymetry

open access: yesEngineered Science
Satellite-derived bathymetry (SDB) has revolutionized underwater mapping by using remote sensing techniques to estimate water depth with high spatial coverage and cost-effectiveness.
Aigerim Kalybekova
doaj   +2 more sources

Cubesats Allow High Spatiotemporal Estimates of Satellite-Derived Bathymetry [PDF]

open access: yesRemote Sensing, 2019
High spatial and temporal resolution satellite remote sensing estimates are the silver bullet for monitoring of coastal marine areas globally. From 2000, when the first commercial satellite platforms appeared, offering high spatial resolution data, the ...
Dimitris Poursanidis   +3 more
doaj   +4 more sources

Is Satellite-Derived Bathymetry Vertical Accuracy Dependent on Satellite Mission and Processing Method?

open access: yesRemote Sensing
This research focusses on three satellite-derived bathymetry methods and optical satellite instruments: (1) a stereo photogrammetry bathymetry module (SaTSeaD) developed for the NASA Ames stereo pipeline open-source software (version 3.6.0) using stereo ...
Monica Palaseanu-Lovejoy   +5 more
doaj   +2 more sources

Evaluation of Depth Anything Models for Satellite-Derived Bathymetry [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
The emergence of foundation models has driven major advancements in computer vision and natural language processing, primarily due to their strong zero-shot and few-shot capabilities powered by large-scale, diverse datasets. While earlier approaches used
E. Günaydın   +3 more
doaj   +4 more sources

Automated classification of valid and invalid satellite derived bathymetry with random forest

open access: yesInternational Journal of Applied Earth Observations and Geoinformation
Recent decades have seen rapid growth in algorithms and workflows for generating bathymetry from multispectral satellite imagery, with the output typically referred to as satellite derived bathymetry (SDB).
Matthew B. Sharr   +2 more
doaj   +2 more sources

METHODS FOR SATELLITE DERIVED BATHYMETRY FROM SENTINEL-2 IMAGES: A COMPARISON [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
In recent decades, research has been developed to estimate near-shore bathymetry depth values using satellite imagery. Visible and infrared bands are used to derive elevation profile estimates, so to obtain bathymetric in rapid way without mobilisation ...
F. G. Figliomeni, C. Parente
doaj   +3 more sources

Satellite derived bathymetry using deep learning [PDF]

open access: yesMachine Learning, 2021
Coastal development and urban planning are facing different issues including natural disasters and extreme storm events. The ability to track and forecast the evolution of the physical characteristics of coastal areas over time is an important factor in coastal development, risk mitigation and overall coastal zone management.
Al Najar, Mahmoud   +5 more
openaire   +2 more sources

Gradient Boosting and Linear Regression for Estimating Coastal Bathymetry Based on Sentinel-2 Images

open access: yesRemote Sensing, 2022
Thousands of vessels travel around the world every day, making the safety, efficiency, and optimization of marine transportation essential. Therefore, the knowledge of bathymetry is crucial for a variety of maritime applications, such as shipping and ...
Fahim Abdul Gafoor   +3 more
doaj   +1 more source

Improved Filtering of ICESat-2 Lidar Data for Nearshore Bathymetry Estimation Using Sentinel-2 Imagery

open access: yesRemote Sensing, 2021
The accurate estimation of nearshore bathymetry is necessary for multiple aspects of coastal research and practices. The traditional shipborne single-beam/multi-beam echo sounders and Airborne Lidar bathymetry (ALB) have a high cost, are inefficient, and
Congshuang Xie   +4 more
doaj   +1 more source

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