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Python Artificial Intelligence Projects for Beginners

You're reading from Python Artificial Intelligence Projects for Beginners

Product type Book

Published in Jul 2018

Publisher Packt

ISBN-13 9781789539462

Pages 162 pages

Edition 1st Edition

Languages

Concepts

Artificial Intelligence

Author (1):

Dr. Joshua Eckroth

Table of Contents (11) Chapters

Title Page

Packt Upsell

Contributors

Preface

1. Building Your Own Prediction Models

2. Prediction with Random Forests

3. Applications for Comment Classification

4. Neural Networks

5. Deep Learning

1. Other Books You May Enjoy

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Index

Identifying handwritten mathematical symbols with CNNs

This sections deals with building a CNN to identify handwritten mathematical symbols. We're going to use the HASYv2 dataset. This contains 168,000 images from 369 different classes where each represents a different symbol. This dataset is a more complex analog compared to the popular MNIST dataset, which contains handwritten numbers.

The following diagram depicts the kind of images that are available in this dataset:

And here, we can see a graph showing how many symbols have different numbers of images:

It is observed that many symbols have few images and there are a few that have lots of images. The code to import any image is as follows:

We begin by importing the Image class from the IPython library. This allows us to show images inside Jupyter Notebook. Here's one image from the dataset:

This is an image of the alphabet A. Each image is 30 x 30 pixels. This image is in the RGB format even though it doesn't really need to be RGB. The...

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Authors (1)

Dr. Joshua Eckroth

Joshua Eckroth is an Assistant Professor of Computer Science at Stetson University, where he teaches AI, big data mining and analytics, and software engineering. He earned his PhD from The Ohio State University in AI and Cognitive Science. Dr. Eckroth also serves as Chief Architect at i2k Connect, which focuses on transforming documents into structured data using AI and enriched with subject matter expertise. Dr. Eckroth has previously published two video series with Packt, Python Artificial Intelligence Projects for Beginners and Advanced Artificial Intelligence Projects with Python. His academic publications can be found on Google Scholar.

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