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Mastering OpenCV 3

Mastering OpenCV 3 - Second Edition

By : Saragih
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Mastering OpenCV 3

Mastering OpenCV 3

By: Saragih

Overview of this book

As we become more capable of handling data in every kind, we are becoming more reliant on visual input and what we can do with those self-driving cars, face recognition, and even augmented reality applications and games. This is all powered by Computer Vision. This book will put you straight to work in creating powerful and unique computer vision applications. Each chapter is structured around a central project and deep dives into an important aspect of OpenCV such as facial recognition, image target tracking, making augmented reality applications, the 3D visualization framework, and machine learning. You’ll learn how to make AI that can remember and use neural networks to help your applications learn. By the end of the book, you will have created various working prototypes with the projects in the book and will be well versed with the new features of OpenCV3.
Table of Contents (7 chapters)
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Facial feature detectors


Detecting facial features in images bares a strong resemblance to general object detection. OpenCV has a set of sophisticated functions for building general object detectors, the most well-known of which is the cascade of Haar-based feature detectors used in their implementation of the well-known Viola-Jones face detector. There are, however, a few distinguishing factors that make facial feature detection unique. These are as follows:

  • Precision versus robustness: In generic object detection, the aim is to find the coarse position of the object in the image; facial feature detectors are required to give highly precise estimates of the location of the feature. An error of a few pixels is considered inconsequential in object detection but it can mean the difference between a smile and a frown in facial expression estimation through feature detections.
  • Ambiguity from limited spatial support: It is common to assume that the object of interest in generic object detection...
Visually different images
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Mastering OpenCV 3
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