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    Augmented Reality with Kinect
    Augmented Reality with Kinect
    Augmented Reality with Kinect
    Ebook239 pages1 hour

    Augmented Reality with Kinect

    By Rui Wang

    ()

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    About this ebook

    This book is a mini tutorial with plenty of code examples and strategies to give you many options when building your own applications.This book is meant for readers who are familiar with C/C++ programming and want to write simple programs with Kinect. The standard template library can also be used as it is simple enough to understand.
    LanguageEnglish
    PublisherPackt Publishing
    Release dateJul 11, 2013
    ISBN9781849694391
    Augmented Reality with Kinect

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      Book preview

      Augmented Reality with Kinect - Rui Wang

      Table of Contents

      Augmented Reality with Kinect

      Credits

      About the Author

      About the Reviewers

      www.PacktPub.com

      Support files, eBooks, discount offers and more

      Why Subscribe?

      Free Access for Packt account holders

      Preface

      What this book covers

      What you need for this book

      Who this book is for

      Conventions

      Reader feedback

      Customer support

      Downloading the example code

      Errata

      Piracy

      Questions

      1. Getting Started with Kinect

      Installation of Kinect

      Setting up your Kinect software on PCs

      Why did I do that?

      The idea of the AR-based Fruit Ninja game

      Summary

      2. Creating Your First Program

      Preparing the development environment

      Building the Visual Studio project

      Starting the device

      Initializing and using Kinect in C++

      Understanding the code

      Additional information

      Summary

      3. Rendering the Player

      Choosing image stream types

      Obtaining color and depth images

      Drawing color and depth as textures

      Understanding the code

      An incorrect way to combine depth and color

      A traditional way for background subtraction

      Understanding the code

      Aligning color with depth

      Generating a color image from depth

      Understanding the code

      Additional information

      Using a green screen with Kinect

      Making a magic photographer

      Understanding the code

      Additional information

      Summary

      4. Skeletal Motion and Face Tracking

      Understanding skeletal mapping

      Obtaining joint positions

      Drawing the skeleton

      Understanding the code

      Drawing the linetrails following the hands

      Drawing the path for specified joints

      Understanding the code

      Face tracking in Kinect

      Detecting a face from the camera

      Detecting and drawing the face rectangle

      Understanding the code

      Constructing the face model

      Drawing the parametric face model

      Understanding the code

      Summary

      5. Designing a Touchable User Interface

      Multitouch systems

      Locating the cursors

      Drawing cursors from two hands

      Understanding the code

      Additional information

      Common touching gestures

      Recognizing holding and swiping gestures

      Drawing cursors using two hands

      Understanding the code

      Additional information

      Sending cursors to external applications

      Emulating Windows mouse with cursors

      Understanding the code

      Summary

      6. Implementing the Scene and Gameplay

      Integrating the current code

      Integrating existing elements in a scene

      Understanding the code

      Cutting the fruits

      Adding and handling fruit objects

      Understanding the code

      Playing the game

      Adding simple game logic

      Understanding the code

      Additional information

      Summary

      A. Where to Go from Here

      libfreenect – the pioneer of Kinect middleware

      OpenNI – a complete and powerful Kinect middleware

      Free and open source resources

      Commercial products using Kinect

      Index

      Augmented Reality with Kinect

      Augmented Reality with Kinect

      Copyright © 2013 Packt Publishing

      All rights reserved. No part of this book may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, without the prior written permission of the publisher, except in the case of brief quotations embedded in critical articles or reviews.

      Every effort has been made in the preparation of this book to ensure the accuracy of the information presented. However, the information contained in this book is sold without warranty, either express or implied. Neither the author, nor Packt Publishing, and its dealers and distributors will be held liable for any damages caused or alleged to be caused directly or indirectly by this book.

      Packt Publishing has endeavored to provide trademark information about all of the companies and products mentioned in this book by the appropriate use of capitals. However, Packt Publishing cannot guarantee the accuracy of this information.

      First published: July 2013

      Production Reference: 1040713

      Published by Packt Publishing Ltd.

      Livery Place

      35 Livery Street

      Birmingham B3 2PB, UK.

      ISBN 978-1-84969-438-4

      www.packtpub.com

      Cover Image by Suresh Mogre (<suresh.mogre.99@gmail.com>)

      Credits

      Author

      Rui Wang

      Reviewers

      Ricard Borràs Navarra

      Vangos Pterneas

      Acquisition Editor

      Kartikey Pandey

      Commissioning Editors

      Llewellyn Rozario

      Priyanka Shah

      Technical Editors

      Sumedh Patil

      Aniruddha Vanage

      Copy Editors

      Insiya Morbiwala

      Alfida Paiva

      Laxmi Subramanian

      Project Coordinator

      Amigya Khurana

      Proofreader

      Maria Gould

      Indexer

      Rekha Nair

      Graphics

      Abhinash Sahu

      Production Coordinator

      Conidon Miranda

      Cover Work

      Conidon Miranda

      About the Author

      Rui Wang is a Software Engineer at Beijing Crystal Digital Technology Co., Ltd. (Crystal CG), in charge of the new media interactive application design and development. He wrote a Chinese book called OpenSceneGraph Design and Implementation in 2009. He also wrote the book OpenSceneGraph 3.0 Beginner's Guide in 2010 and OpenSceneGraph 3.0 Cookbook in 2012, both of which are published by Packt Publishing and co-authored by Xuelei Qian. In his spare time he also writes novels and is a guitar lover.

      I must express my deep gratitude to the entire Packt Publishing team for their great work in producing a series of high-quality Mini books, including this one, which introduces the cutting-edge Kinect-based development. Many thanks to Zhao Yang and my other colleagues at Crystal CG, for their talented ideas on some of the recipes in this book. And last but not the least, I'll extend my heartfelt gratitude 
to my family for their love and support.

      About the Reviewers

      Ricard Borràs Navarra has always been working around computer vision and machine learning. He started creating machines that apply pattern recognition to quality assortment in the cork production industry. Later, he applied these techniques for human tracking in complex scenarios, creating audience measurement, and people-counter solutions for retail stores.

      With the eruption of Kinect, he started working on and deploying augmented reality interactive applications based on this great device. These applications were targeted at the marketing and retail sectors.

      All these projects were developed by him as an Inspecta (www.inspecta.es) employee. Also, Ricard has developed several freelance projects based on augmented reality.

      Vangos Pterneas is a professional Software Engineer, passionate about natural user interfaces. He has been a Kinect enthusiast ever since the release of the very first unofficial SDKs and has already published a couple of commercial Kinect applications.

      He has worked for Microsoft Innovation Center as a .NET developer and consultant and he's now running his own company named LightBuzz. LightBuzz has been awarded the first place in Microsoft's worldwide innovation competition, held in New York.

      When he is not coding, he loves blogging about technical stuff and providing the community with open source utilities.

      www.PacktPub.com

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      Did you know that Packt offers eBook versions of every book published, with PDF and ePub files available? You can upgrade to the eBook version at www.PacktPub.com and as a print book customer, you are entitled to a discount on the eBook copy. Get in touch with us at for more details.

      At www.PacktPub.com, you can also read a collection of free technical articles, sign up for a range of free newsletters and receive exclusive discounts and offers on Packt books and eBooks.

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      Preface

      Microsoft Kinect was released in the winter of 2010. As one of the first civil handsfree motion input devices, it brings a lot of fun to end users of Xbox 360 and Windows PCs. And because Kinect is very useful for designing interactive methods in user applications, new media artists and VJs (video jockeys) are also interested in this new technology as it makes their performances more dramatic and mystical.

      In this book, we will focus on introducing how to develop C/C++ applications with the Microsoft Kinect SDK, as well as the FreeGLUT library for OpenGL support, and the FreeImage library for image loading. We will cover the topics of Kinect initialization, color and depth image streaming, and skeleton motion and face tracking, and discuss how to implement common gestures with Kinect inputs. A simple but interesting Fruit Ninja-like game will be implemented in the last chapter of this book. Some alternative middlewares and

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