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Neural Networks with Keras Cookbook

You're reading from   Neural Networks with Keras Cookbook Over 70 recipes leveraging deep learning techniques across image, text, audio, and game bots

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Product type Paperback
Published in Feb 2019
Publisher Packt
ISBN-13 9781789346640
Length 568 pages
Edition 1st Edition
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Authors (2):
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V Kishore Ayyadevara V Kishore Ayyadevara
Author Profile Icon V Kishore Ayyadevara
V Kishore Ayyadevara
Srinivas Pradeep Srinivas Pradeep
Author Profile Icon Srinivas Pradeep
Srinivas Pradeep
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Toc

Table of Contents (18) Chapters Close

Preface 1. Building a Feedforward Neural Network FREE CHAPTER 2. Building a Deep Feedforward Neural Network 3. Applications of Deep Feedforward Neural Networks 4. Building a Deep Convolutional Neural Network 5. Transfer Learning 6. Detecting and Localizing Objects in Images 7. Image Analysis Applications in Self-Driving Cars 8. Image Generation 9. Encoding Inputs 10. Text Analysis Using Word Vectors 11. Building a Recurrent Neural Network 12. Applications of a Many-to-One Architecture RNN 13. Sequence-to-Sequence Learning 14. End-to-End Learning 15. Audio Analysis 16. Reinforcement Learning 17. Other Books You May Enjoy

Creating the dataset for a bounding box

We have learned that object detection gives us the output where a bounding box surrounds the object of interest in an image. For us to build an algorithm that detects the bounding box surrounding the object in an image, we would have to create the input–output mapping, where the input is the image and the output is the bounding boxes surrounding the objects in the given image.

Note that when we detect the bounding box, we are detecting the pixel locations of the top-left corner of the bounding box surrounding the image, and the corresponding width and height of the bounding box.

To train a model that provides the bounding box, we need the image, and also the corresponding bounding-box coordinates of all the objects in an image.

In this section, we will highlight one of the ways to create the training dataset where the image shall...

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