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Change detection of coral reef habitats from multi-temporal and multi-source satellite imagery in Bunaken, Indonesia

机译:从印度尼西亚布纳肯的多时相和多源卫星图像中检测珊瑚礁栖息地的变化

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This paper presents a framework for change detection of coral reef habitats in muti-temporal and multi-spectral satellite imagery acquired by multiple sensors. Our specific goal is to analyze the evolution coral reef habitats from images acquired over a period of twelve years. Our study area is located in the centre of the Coral Triangle, a hotspot of biodiversity in the Bunaken Island, Indonesia. In-situ data is used in a supervised classification approach to build classification models for eleven habitat types. Radiometric calibration is pairwise performed between each image in the data set and the reference one, and habitat models built on the reference image are used to classify the entire time series. Results obtained are discussed and the influential factors are put forward.
机译:本文提出了一个通过多个传感器获取的多时相和多光谱卫星图像中珊瑚礁栖息地变化检测的框架。我们的特定目标是根据过去十二年获取的图像来分析珊瑚礁栖息地的演变。我们的研究区域位于印度尼西亚布纳肯岛的生物多样性热点珊瑚三角的中心。在监督分类方法中使用原位数据为11种栖息地类型建立分类模型。辐射校准是在数据集中的每个图像和参考图像之间成对执行的,并且基于参考图像构建的栖息地模型用于对整个时间序列进行分类。讨论了获得的结果并提出了影响因素。

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