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Title: Spatial Prediction of Radioactivity using General Regression Neural Network

Date: 1 July 2005

Authors: Vadim Timonin, Elena Savelieva



This work describes an application of General Regression Neural Network (GRNN) to spatial predictions of radioactivity. GRNN belongs to a class of neural networks widely used for mapping continuous functions. It is based on a non-parametric (kernel) Parzen-Rosenblatt density estimator. The kernel size is the only tuning parameter, and it allows the user to implement a GRNN in an automatic mode. An important advantage of the GRNN is its very simple and fast training procedure. The most important drawbacks are high smoothing and dependence on the spatial density of the monitoring data set. The current case study is performed on the SIC2004 data sets, and the results obtained here can be compared with those obtained by the other participants using other approaches.


Applied GIS
Volume 1, No. 2, August 2005
DOI: 10.2104/ag050019
Topic revision: r3 - 13 Aug 2010, TheresiaFreska
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