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Detecting displacements within archaeological sites in Cyprus after a 5.6 magnitude scale earthquake event through the Hybrid Pluggable Processing Pipeline (HyP3) cloud-based system and Sentinel-1 Interferometric Synthetic Aperture Radar (InSAR) analysis
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing ( IF 4.7 ) Pub Date : 2020-01-01 , DOI: 10.1109/jstars.2020.3028272
Athos Agapiou , Vasiliki Lysandrou

The distribution of free and open access radar satellite datasets, like those of Sentinel-1, has provided new opportunities for monitoring archaeological sites and monuments in a systematic way, and especially after earthquake events. While optical sensors are established in the scientific literature and radar sensors are lately introduced in the relevant literature, the role of satellite-driven ready products is still limited discussed. With the continuous improvement of remote sensing satellite data quality and accuracy, high-resolution data needs to be processed, while at the same time, this required high computational complexity. In respect to this, over the last years, various efforts have been made to support high-performance cloud-based processing, providing to the end-users ready products in a short time. This study presents the results from the exploitation of a relevant new cloud platform, namely the Hybrid Pluggable Processing Pipeline (HyP3) system that integrates GAMMA software, for detecting ground displacement within archaeological sites in Cyprus, after a 5.6 magnitude scale earthquake in 2015. Ascending and descending pairs of Sentinel-1 images, acquired before and after the event, were processed through the HyP3 platform, revealing small relative ground displacements in the area under study. The processing chain was performed in less than 1 h -per pair- on the HyP3 system, indicating that similar approaches could be beneficial in the future to support cultural heritage management of large areas.

中文翻译:

通过混合可插拔处理管道 (HyP3) 基于云的系统和 Sentinel-1 干涉合成孔径雷达 (InSAR) 分析,在 5.6 级地震事件后检测塞浦路斯考古遗址内的位移

免费和开放访问的雷达卫星数据集(如 Sentinel-1 的数据集)的分布为系统地监测考古遗址和古迹提供了新的机会,尤其是在地震事件发生后。虽然在科学文献中建立了光学传感器,并且最近在相关文献中引入了雷达传感器,但对卫星驱动的现成产品的作用的讨论仍然有限。随着遥感卫星数据质量和精度的不断提高,需要对高分辨率数据进行处理,同时对计算复杂度的要求也很高。在这方面,在过去几年中,已经做出了各种努力来支持基于云的高性能处理,在短时间内为最终用户提供就绪产品。本研究展示了相关新云平台的开发结果,即集成 GAMMA 软件的混合可插拔处理管道 (HyP3) 系统,用于检测 2015 年 5.6 级地震后塞浦路斯考古遗址内的地面位移。通过 HyP3 平台处理事件前后获得的 Sentinel-1 图像和下行图像对,揭示了研究区域的小相对地面位移。在 HyP3 系统上,每对处理链的执行时间不到 1 小时,这表明类似的方法将来可能有益于支持大面积的文化遗产管理。用于在 2015 年发生 5.6 级地震后检测塞浦路斯考古遗址内的地面位移。事件前后获得的上升和下降 Sentinel-1 图像对通过 HyP3 平台进行处理,揭示了较小的相对地面位移研究领域。在 HyP3 系统上,每对处理链的执行时间不到 1 小时,这表明类似的方法将来可能有益于支持大面积的文化遗产管理。用于在 2015 年发生 5.6 级地震后检测塞浦路斯考古遗址内的地面位移。事件前后获得的上升和下降 Sentinel-1 图像对通过 HyP3 平台进行处理,揭示了较小的相对地面位移研究领域。在 HyP3 系统上,每对处理链的执行时间不到 1 小时,这表明类似的方法将来可能有益于支持大面积的文化遗产管理。
更新日期:2020-01-01
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