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. Author manuscript; available in PMC: 2020 Jul 1.
Published in final edited form as: World Neurosurg. 2019 Mar 25;127:e436–e442. doi: 10.1016/j.wneu.2019.03.165

Figure 1-.

Figure 1-

Algorithm specifications for Deep Neural Network (DNN) used in Model 1. All variables underwent processing through a 7 layer artificial neural network with above specified neurons in each layer. Images were analyzed in groups of 4 at a time until all 18 were completed, at which point the algorithm would adjust predictive variable weights and repeat for 25 epochs/repeats. Upon completion, the final algorithm would be used to verify accuracy on 10 unseen images from the original dataset. Images were redistributed randomly into test/training groups, model weights were reinitialized and randomized and the entire process was repeated 200 times for population data collection.