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相关论文: Coastline extraction from ALOS-2 satellite SAR ima…

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High accuracy coastline/shoreline extraction from SAR imagery is a crucial step in a number of maritime and coastal monitoring applications. We present a method based on image segmentation using the Generalised Gamma Mixture Model…

图像与视频处理 · 电气工程与系统科学 2022-03-08 Odysseas Pappas , Nantheera Anantrasirichai , Byron Adams , Alin Achim

We analyse the effectiveness of edge detection algorithms for the purpose of automatically extracting coastlines from satellite images. Four algorithms - Canny, Sobel, Scharr and Prewitt are compared visually and using metrics. With an…

计算机视觉与模式识别 · 计算机科学 2024-05-21 Conor O'Sullivan , Seamus Coveney , Xavier Monteys , Soumyabrata Dev

In this article, we improve the deep learning solution for coastline extraction from Synthetic Aperture Radar (SAR) images by proposing a two-stage model involving image classification followed by segmentation. We hypothesize that a single…

计算机视觉与模式识别 · 计算机科学 2025-01-22 Vidhu Arora , Shreyan Gupta , Ananthakrishna Kudupu , Aditya Priyadarshi , Aswathi Mundayatt , Jaya Sreevalsan-Nair

In this paper, we present a ship detection pipeline for low-cost medium resolution satellite optical imagery obtained from ESA Sentinel-2 and Planet Labs Dove constellations. This optical satellite imagery is readily available for any place…

计算机视觉与模式识别 · 计算机科学 2021-04-30 Dejan Stepec , Tomaz Martincic , Danijel Skocaj

Illegal, unreported, and unregulated (IUU) fishing poses a global threat to ocean habitats. Publicly available satellite data offered by NASA, the European Space Agency (ESA), and the U.S. Geological Survey (USGS), provide an opportunity to…

计算机视觉与模式识别 · 计算机科学 2025-05-30 Patrick Beukema , Favyen Bastani , Yawen Zheng , Piper Wolters , Henry Herzog , Joe Ferdinando

Maritime surveillance (MS) is crucial for search and rescue operations, fishery monitoring, pollution control, law enforcement, migration monitoring, and national security policies. Since the early days of seafaring, MS has been a critical…

7,651 cases of Search and Rescue Missions (SAR) were reported by the United States Coast Guard in 2024, with over 1322 SAR helicopters deployed in the 6 first months alone. Through the utilizations of YOLO, we were able to run different…

计算机视觉与模式识别 · 计算机科学 2024-08-28 Miguel Tjia , Artem Kim , Elaine Wynette Wijaya , Hanna Tefara , Kevin Zhu

The speed of response by search and rescue teams at sea is of vital importance, as survival may depend on it. Recent technological advancements have led to the development of more efficient systems for locating individuals involved in a…

计算机视觉与模式识别 · 计算机科学 2025-02-17 Juan P. Martinez-Esteso , Francisco J. Castellanos , Jorge Calvo-Zaragoza , Antonio Javier Gallego

This paper presents and investigates a novel methodology for validating high-resolution ocean models using satellite imagery. High-resolution ocean models provide detailed information in coastal areas where other available data products are…

大气与海洋物理 · 物理学 2025-01-28 G. Garcia-Sanchez , A. M. Mancho , A. G. Ramos , J. Coca , J. A. Jimenez-Madrid

Ireland's coastline, a critical and dynamic resource, is facing challenges such as erosion, sedimentation, and human activities. Monitoring these changes is a complex task we approach using a combination of satellite imagery and deep…

计算机视觉与模式识别 · 计算机科学 2024-09-25 Conor O'Sullivan , Ambrish Kashyap , Seamus Coveney , Xavier Monteys , Soumyabrata Dev

Cyber-resilience is an increasing concern in developing autonomous navigation solutions for marine vessels. This paper scrutinizes cyber-resilience properties of marine navigation through a prism with three edges: multiple sensor…

信号处理 · 电气工程与系统科学 2022-02-08 Dimitrios Dagdilelis , Mogens Blanke , Rasmus Hjorth Andersen , Roberto Galeazzi

Satellite-based Synthetic Aperture Radar (SAR) images can be used as a source of remote sensed imagery regardless of cloud cover and day-night cycle. However, the speckle noise and varying image acquisition conditions pose a challenge for…

计算机视觉与模式识别 · 计算机科学 2023-11-03 Janne Alatalo , Tuomo Sipola , Mika Rantonen

With a number of marine populations in rapid decline, collecting and analyzing data about marine populations has become increasingly important to develop effective conservation policies for a wide range of marine animals, including whales.…

计算机视觉与模式识别 · 计算机科学 2024-10-02 Akshaj Gaur , Cheng Liu , Xiaomin Lin , Nare Karapetyan , Yiannis Aloimonos

We introduce a new dataset and algorithm for fast and efficient coastal distance calculations from Anywhere on Earth (AoE). Existing global coastal datasets are only available at coarse resolution (e.g. 1-4 km) which limits their utility.…

数据库 · 计算机科学 2025-06-24 Patrick Beukema , Henry Herzog , Yawen Zhang , Hunter Pitelka , Favyen Bastani

Ocean surface monitoring, especially oil slick detection, has become mandatory due to its importance for oil exploration and risk prevention on ecosystems. For years, the detection task has been performed manually by photo-interpreters…

计算机视觉与模式识别 · 计算机科学 2022-04-14 Emna Amri , Hermann Courteille , A Benoit , Philippe Bolon , Dominique Dubucq , Gilles Poulain , Anthony Credoz

Combining synthetic aperture sonar (SAS) imagery with optical images for underwater object classification has the potential to overcome challenges such as water clarity, the stability of the optical image analysis platform, and strong…

计算机视觉与模式识别 · 计算机科学 2023-04-25 Avi Abu , Roee Diamant

The detection and prevention of illegal fishing is critical to maintaining a healthy and functional ecosystem. Recent research on ship detection in satellite imagery has focused exclusively on performance improvements, disregarding…

计算机视觉与模式识别 · 计算机科学 2022-12-13 Arthur Van Meerbeeck , Jordy Van Landeghem , Ruben Cartuyvels , Marie-Francine Moens

Oysters are a vital keystone species in coastal ecosystems, providing significant economic, environmental, and cultural benefits. As the importance of oysters grows, so does the relevance of autonomous systems for their detection and…

Rapid assessment after a natural disaster is key for prioritizing emergency resources. In the case of landslides, rapid assessment involves determining the extent of the area affected and measuring the size and location of individual…

计算机视觉与模式识别 · 计算机科学 2022-11-21 Vanessa Böhm , Wei Ji Leong , Ragini Bal Mahesh , Ioannis Prapas , Edoardo Nemni , Freddie Kalaitzis , Siddha Ganju , Raul Ramos-Pollan

Horizon line (or sea line) detection (HLD) is a critical component in multiple marine autonomous navigation tasks, such as identifying the navigation area (i.e., the sea), obstacle detection and geo-localization, and digital video…

计算机视觉与模式识别 · 计算机科学 2024-03-21 Yassir Zardoua , Abdelhamid El Wahabi , Mohammed Boulaala , Abdelali Astito
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