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Morphological approach to extract ridge and valley connectivity networks from Digital Elevation Models

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The extraction of ridge and valley connectivity networks is essential for studying spatio-temporal organizations. Extraction of such connectivity networks from multiscale DEMs has lately received notable attention. A simple method is proposed to extract these networks, from a sample DEM as well as a simulated fractal DEM, using non-linear morphological transformations in a methodical way. Further, the proposed method can be adapted to extract these complex topological networks from DEMs generated from either remotely sensed or topographic data.

Document Type: Research Article


Affiliations: 1: Faculty of Engineering & Technology (FET), Melaka Campus, Multimedia University, Jalan Ayer Keroh Lama, 75450, Melaka, Malaysia; e-mail:; 2: Division for Post Irradiation Exam & NDT Development, Metallurgy & Materials Group, Indira Gandhi Centre for Atomic Research (IGCAR), Kalpakkam--603102, Tamil Nadu, India

Publication date: 2003-02-01

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