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Browsing by Subject "Marine technology"

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A CA-CFAR and localized wavelet ship detector for sentinel-1 imagery

Author: Schwegmann, CP ; Kleynhans, W ; Salmon, BP ; Mdakane, L Date: Jul 2015 The Maritime Domain Awareness initiative seeks to constantly improve the ways in which maritime information is collected. With the recent release of free Sentinel-1 imagery to the public, monitoring the maritime environment has become a more ... Read more
Manifold adaptation for constant false alarm rate ship detection in South African oceans

Author: Schwegmann, CP ; Kleynhans, W ; Salmon, BP Date: Apr 2015 The detection of ships at sea is a difficult task made more so by uncooperative ships, especially when using transponder based ship detection systems. Synthetic Aperture Radar imagery provides a means of observation independent of the ships ... Read more
Ship detection in Sentinel-1 imagery using the h-dome transformation

Author: Schwegmann, CP ; Kleynhans, W ; Salmon, BP ; Mdakane, L Date: Jul 2015 The ability to reliably detect ships within the ocean is one of the core capabilities of Maritime Domain Awareness. Constant improvements are pursued in both computational speed and reliable responses to events by exploring new ship detection ... Read more
Synthetic aperture radar ship detection using capsule networks

Author: Schwegmann, Colin P ; Kleynhans, Waldo ; Salmon, BP ; Mdakane, Lizwe W ; Meyer, Rory GV Date: Jul 2018 Deep Learning has become a common applied technique to improve results in a variety of detection scenarios, including Synthetic Aperture Radar ship detection. One of the most common Deep Learning techniques, Convolutional Neural Networks, ... Read more
Transfer learning for multi-frequency synthetic aperture radar applications

Author: Schwegmann, Colin P ; Kleynhans, Waldo ; Salmon, BP ; Mdakane, Lizwe W ; Meyer, Rory GV ; Janoth, J ; Lumsdon, P Date: Jul 2018 To correctly train a system to detect ships in Sythetic Aperture Radar imagery requires the creation of a validated dataset. This dataset is used to train a Machine Learning system to identify ships and non-ships. Recent advances in Deep ... Read more
Valorisation of chicken feather barbs: Utilisation in yarn production and technical textile applications

Author: Tesfaye, T ; Sithole, Bishop B ; Ramjugernath, D Date: Jun 2018 Deep Learning has become a common applied technique to improve results in a variety of detection scenarios, including Synthetic Aperture Radar ship detection. One of the most common Deep Learning techniques, Convolutional Neural Networks, ... Read more
Very deep learning for ship discrimination in synthetic aperture radar imagery

Author: Schwegmann, Colin P ; Kleynhans, Waldo ; Salmon, BP ; Mdakane, Lizwe W ; Meyer, Rory GV Date: Jul 2016 Efficient and effective ship discrimination across multiple Synthetic Aperture Radar sensors is becoming more important as access to SAR data becomes more widespread. A flexible means of separating ships from sea is ideal and can be accomplished ... Read more

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Browsing by Subject "Marine technology"

Browsing by Subject "Marine technology"

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