Book Image

Hands-On Neural Network Programming with C#

By : Matt Cole
Book Image

Hands-On Neural Network Programming with C#

By: Matt Cole

Overview of this book

Neural networks have made a surprise comeback in the last few years and have brought tremendous innovation in the world of artificial intelligence. The goal of this book is to provide C# programmers with practical guidance in solving complex computational challenges using neural networks and C# libraries such as CNTK, and TensorFlowSharp. This book will take you on a step-by-step practical journey, covering everything from the mathematical and theoretical aspects of neural networks, to building your own deep neural networks into your applications with the C# and .NET frameworks. This book begins by giving you a quick refresher of neural networks. You will learn how to build a neural network from scratch using packages such as Encog, Aforge, and Accord. You will learn about various concepts and techniques, such as deep networks, perceptrons, optimization algorithms, convolutional networks, and autoencoders. You will learn ways to add intelligent features to your .NET apps, such as facial and motion detection, object detection and labeling, language understanding, knowledge, and intelligent search. Throughout this book, you will be working on interesting demonstrations that will make it easier to implement complex neural networks in your enterprise applications.
Table of Contents (16 chapters)
13
Activation Function Timings

Comparing LSTM, GRU, Feedforward, and RNN operations

In order to help you see the difference in both the creation and results of all the network objects we have been dealing with, I created the sample code that follows. This sample will allow you to see the difference in training times for all four of the network types we have here. As stated previously, the GRU is the easiest to train and therefore will complete faster (in less iterations) than the other networks. When executing the code, you will see that the GRU achieves the optimal error rate typically in under 10,000 iterations, while a conventional RNN and/or LSTM can take 50,000 or more iterations to converge properly.

Here is what our sample code looks like:

static void Main(string[] args)
{
Console.WriteLine("Running GRU sample", Color.Yellow);
Console.ReadKey();
ExampleGRU.Run();
Console.ReadKey();
Console.WriteLine...