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- W2372512175 abstract "The active contour extraction algorithm,which uses the Gradient Vector Flow ( GVF) field as its external force,is called a GVF snake. This paper first introduces the principle of the GVF snake. Then,the role of the GVF snake's internal and external forces,and the impact of the initial boundary on the result is investigated. After that,a reasonable solution is proposed for the GVF snake initialization and weighting parameter determination. Finally,an interactive GVF snake algorithm is designed and applied to extract irregular water boundaries from remotely-sensed images. In this algorithm,the initial boundary is acquired using the region growing algorithm based on seed pixels,and the weighting parameters are determined interactively. The real boundary is obtained using the GVF snake algorithm. The experiments show that the interactive GVF snake algorithm can extract the water boundary easily,fast and accurately,even if it is very irregular." @default.
- W2372512175 created "2016-06-24" @default.
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- W2372512175 date "2013-01-01" @default.
- W2372512175 modified "2023-09-24" @default.
- W2372512175 title "Irregular water boundary extraction using GVF snake" @default.
- W2372512175 hasPublicationYear "2013" @default.
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