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An Integrated Active Contour Approach to Shoreline Mapping Using HSI and DEM

机译:使用HSI和DEM的集成主动轮廓法绘制海岸线图

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This paper introduces a new approach to shoreline mapping, which provides critical input to nautical charting, coastal zone management, and legal boundary determination. We extract shorelines by fusing AVIRIS hyperspectral imagery (HSI) with a LiDAR-generated DEM using a multiphase active contour segmentation technique. Our approach employs a study of object spectra and a knowledge-based segmentation scheme for generating an initial solution followed by a contour evolution technique to achieve a subpixel level of accuracy, while maintaining low computational complexity. Introducing the DEM into shoreline delineation from HSI proves to be a useful tool in eliminating misclassifications and in increasing localization accuracy. Experimental results show that our integrated approach to mapping shorelines has promising outcomes that provide a way to exploit the rich information found in HSI.
机译:本文介绍了一种新的海岸线制图方法,该方法为航海制图,沿海地区管理和法律边界确定提供了重要信息。我们通过使用多相主动轮廓分割技术将AVIRIS高光谱图像(HSI)与LiDAR生成的DEM融合来提取海岸线。我们的方法采用了对对象光谱的研究和基于知识的分割方案,以生成初始解,然后采用轮廓演化技术来实现亚像素级别的精度,同时保持较低的计算复杂度。将DEM引入HSI的海岸线轮廓被证明是消除错误分类和提高定位精度的有用工具。实验结果表明,我们用于绘制海岸线的综合方法具有可喜的成果,为利用HSI中的丰富信息提供了一种方法。

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