Transformasi Koordinat Menggunakan Jaringan Syaraf Tiruan Propagasi Balik Levenberg-Marquardt (Studi Kasus: Daerah Jawa Bagian Timur)
Abstract
Indonesia has used several local datums as ellipsoid geometry reference, one of which is Genuk datum, which uses Bessel Ellipsoid 1841 model. Later, Indonesia chose DGN-95 datum as the national standard datum, which uses WGS-84 ellipsoid reference. It means coordinate points which use Genuk datum before must be transformed into WGS-84. One of the methods to transform coordinates is by using similiarity transformation. This research is aimed to find an alternative method for coordinate transformation using Levenberg-Mardquardt Backpropagation. Data used in this research are coordinates of East Java, which are transformed from Genuk datum into WGS84 datum using similarity transformation and Levenberg-Mardquardt algorithm. MSE values from each method are compared, and the result shows that Levenberg-Mardquardt algorithm can be used as an alternative model for coordinate transform.
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