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OpenCV 4 for Secret Agents

You're reading from   OpenCV 4 for Secret Agents Use OpenCV 4 in secret projects to classify cats, reveal the unseen, and react to rogue drivers

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Product type Paperback
Published in Apr 2019
Publisher Packt
ISBN-13 9781789345360
Length 336 pages
Edition 2nd Edition
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Authors (2):
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Joseph Howse Joseph Howse
Author Profile Icon Joseph Howse
Joseph Howse
Arun Ponnusamy Arun Ponnusamy
Author Profile Icon Arun Ponnusamy
Arun Ponnusamy
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Toc

Table of Contents (16) Chapters Close

Preface 1. Section 1: The Briefing FREE CHAPTER
2. Preparing for the Mission 3. Searching for Luxury Accommodations Worldwide 4. Section 2: The Chase
5. Training a Smart Alarm to Recognize the Villain and His Cat 6. Controlling a Phone App with Your Suave Gestures 7. Equipping Your Car with a Rearview Camera and Hazard Detection 8. Creating a Physics Simulation Based on a Pen and Paper Sketch 9. Section 3: The Big Reveal
10. Seeing a Heartbeat with a Motion-Amplifying Camera 11. Stopping Time and Seeing like a Bee 12. Making WxUtils.py Compatible with Raspberry Pi
13. Learning More about Feature Detection in OpenCV
14. Running with Snakes (or, First Steps with Python)
15. Other Books You May Enjoy

Planning the Luxocator app

This chapter uses Python. Being a high-level, interpreted language with great third-party libraries for numeric and scientific computing, Python lets us focus on the functionality of the system rather than implementing subsystem details. For our first project, such a high-level perspective is precisely what we need.

Let's look at an overview of Luxocator's functionality and our choice of Python libraries that support this functionality. Like many computer vision applications, Luxocator has six basic steps:

  1. Acquire a static set of reference images: For Luxocator, we (the developers) choose certain images that we deem to be luxury indoor scenes, other images that we consider Stalinist indoor scenes, and so on. We load these images into memory.
  2. Train a model based on the reference images: For Luxocator, our model describes each image in terms...
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