Simultaneous estimation of shape factor and depth of subsurface cavities from residual gravity anomalies using feed-forward back-propagation neural networks |
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Authors: | Alireza Hajian Hossein Zomorrodian Peter Styles |
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Institution: | (1) Department of Geophysics, Faculty of Earth Sciences, King Abdulaziz University, Jeddah, Saudi Arabia |
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Abstract: | We develop a new method of using feed-forward back-propagation (FFBP) neural networks to simultaneously estimate shape factor and depth of gravity anomalies. The advantages compared to neural network methods are the following: no pre-assumptions are made on source shape, the FFBP neural network estimates both depth and shape factor of source bodies and, once trained, works well for any new data in the training space, without repeating the initial calculations. |
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