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TinyML Cookbook

You're reading from   TinyML Cookbook Combine artificial intelligence and ultra-low-power embedded devices to make the world smarter

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Product type Paperback
Published in Apr 2022
Publisher Packt
ISBN-13 9781801814973
Length 344 pages
Edition 1st Edition
Tools
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Author (1):
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Gian Marco Iodice Gian Marco Iodice
Author Profile Icon Gian Marco Iodice
Gian Marco Iodice
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Toc

Table of Contents (10) Chapters Close

Preface 1. Chapter 1: Getting Started with TinyML 2. Chapter 2: Prototyping with Microcontrollers FREE CHAPTER 3. Chapter 3: Building a Weather Station with TensorFlow Lite for Microcontrollers 4. Chapter 4: Voice Controlling LEDs with Edge Impulse 5. Chapter 5: Indoor Scene Classification with TensorFlow Lite for Microcontrollers and the Arduino Nano 6. Chapter 6: Building a Gesture-Based Interface for YouTube Playback 7. Chapter 7: Running a Tiny CIFAR-10 Model on a Virtual Platform with the Zephyr OS 8. Chapter 8: Toward the Next TinyML Generation with microNPU 9. Other Books You May Enjoy

Building the dataset for indoor scene classification

Now that we can capture frames from the camera, it is time to create the dataset for classifying indoor environments.

In this recipe, we will construct the dataset by collecting the kitchen and bathroom images with the OV7670 camera.

The following Python script contains the code referred to in this recipe:

  • 04_build_dataset.py:

https://github.com/PacktPublishing/TinyML-Cookbook/blob/main/Chapter05/PythonScripts/04_build_dataset.py

Getting ready

Training a deep neural network from scratch for image classification commonly requires a dataset with 1,000 images per class. As you might guess, this solution is impractical for us since collecting thousands of pictures takes a lot of time.

Therefore, we will consider an alternative ML technique: transfer learning.

Transfer learning is a popular method that uses a pre-trained model to train a deep neural network with a small dataset. This ML technique will...

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