实例介绍
【实例简介】
Emgu CV
Emgu CV Essentials Copyright o 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 rt 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, cither express or implied. Neither the author nor Pacl 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 infori First published: November 2013 Production reference: 1071113 Published by Packt Publishing ltd Livery place 35 Livery street Birmingham b3 2PB UK ISBN978-1-78355-9527 www.packtpub.com Cover Image by Aniket Sawant(aniket_ sawant_photographyohotmail com Credits Author Project Coordinator Shin shi Suraj bist Reviewers Proofreader Yashaswitar bhoir Faye Coulman Luca del Tongo Acquisition Editors Priya Subramani Saleem ahmed Antony Lowe Graphics Ronak dhruv Commissioning Editor Abhinash Sahu Neil alexande Production coordinator Technical editors Arvindkumar Gupta Shiny poojary Faisal Siddiqui Cover Work Sonali s, vernekar Arvindkumar Gupta Copy Editors Alisha aranha Radula hegde Dipti Kapadia Gladson monteiro Sayanee Mukherjee Aditya Nair Alida paiva Adithi shetty About the author Shin shi is a member of the digital art Lab at Shanghai jiao Tong university When he built his first robot at the age of fourteen in 2005, he became interested in the field of computer vision. Over the last two years, he created a real-time face recognition attendance system using Emgu Cv at I huazhong University of Science and Technology. He obtained a B.E. in Software Engineering from HUST and is currently an M.S. candidate in Da Lab from SJTU. Now he is focusing on the field of computer graphics, such as creating physics-based simulations and the use of animation Foremost, I would like to give a very special thanks to my soul mate, Licheng Yin, for his invaluable support and patience. And I would like to express my sincere gratitude to Prof ZP Qin, for his motivation and immense knowledge Last but not least, I would like to thank my family for supporting me spiritually throughout my life About the reviewers Yashaswita R Bhoir is a full-time working professional, employed in an MNC and currently working on various technologies related to J2EE and application servers. She had her share of experience working on Emgu CV for a Human-Computer Interaction based project for a year. In addition to various projects on Emgu Cv, she has a few conference presentations to her name When not working on something or the other, Yashaswita likes spending her time cooking, analyzing political affairs or re-reading the Harry Potter series. You can getintouchwithheronykombinator@gmail.com Luca Del Tongo is a computer engineer with a strong passion for algorithms, computer vision, and image-processing techniques. He's the co-author of a free e-book called"Data Structures and Algorithms(DSa)"with 100k downloads and has published several image-processing tutorials on his Youtube channel, using Emgu CV During his Masters'thesis, he developed forensic algorithm for use on images, published in a scientific paper called Copy Move forgery detection and localization by means of robust clustering with j-Linkage" Currently, he works as a software engineer in the ophthalmology field developing corneal topography-processing algorithms and IOL calculations. He loves practicing sports and follows MOOC courses in his spare time. You can contact him throughhisblogathttp://blogs.ugidotnet.org/wetblog Www.Packtpub.com Support files, eBooks, discount offers and more Youmightwanttovisitwww.packtPub.comforsupportfilesanddownloadsrelated to your book Did you know that Packt offers e Book versions of every book published, with PDF andepuBfilesavailableYoucanupgradetotheeboOkversionatwww.packtpub com and as a print book customer, you are entitled to a discount on the e book copy Get in touch with us at service@packtpub com for more details Atwww.packtpub.comyoucanalsoreadacollectionoffreetechnicalarticlessign up for a range of free newsletters and receive exclusive discounts and offers on Packt books and ebooks PACKTLIB http://packtlIb.Packtpub.com Do you need instant solutions to your if questions? PacktLib is Packt's online digital book library. Here, you can access, read and search across Packt's entire library of books Why Subscribe? Fully searchable across every book published by Packt Copy and paste, print and bookmark content On demand and accessible via web browser Free Access for packt account holders Ifyouhaveanaccountwithpacktatwww.paCktpub.comyoucanusethistoaccess PacktLib today and view nine entirely free books Simply use your login credentials for immediate access Table of contents Preface Chapter 1: Introduction to Emgu CV What is Emgu CV? Comparing image-processing libraries License agreement Documentation and other materia Ease of use Performance Summary of the comparison Advantages of Emgu CV 55667789999 Cross-platform Cross-language support with examples Other advantages Summary Chapter 2: Installing Emgu CV Downloading Emgu CV 11 Installing Emgu CV 11 Installing on Windows Installing on Linux 16 Getting the dependenc 16 Building Emgu CV from source Installing on OS X 18 Getting the dependency 19 Building Mgu CV from source Troubleshooting 20 Windows 20 Linux 21 OS X 22 Summary 22 Table of contents Chapter 3: Hello World 3 Hello world in c# 23 Creating a new project 24 Designing our form 27 Coding 27 Output 29 Hello world in vb.net 30 Hello world in c++ 31 Summary 32 Chapter 4: Wrapping OpenCV 33 Architecture overview 33 OpenCV 33 Mgu CV 34 Function mapping 36 Structure mapping 36 Enumeration mapping 37 Summary 37 Chapter 5: Working with Images 39 Digital image representation 39 PixeLs and data 39 Pixel resolution 40 Color image representation 41 Color depth 43 Working with images 44 Creating an image 44 Loading an image from a file 46 Operations with pixels 47 Method naming rules 49 Using operator overload 50 Generic operations support Garbage collection 51 XML serialization 52 Summar 53 Chapter 6: Working with Matrices 55 Matrix and the Image class 55 Definition and parameters 56 Working with matrices 56 Creating a matrix 57 Operations with elements 58 Summary 59 Table of Contents Chapter 7: Shape Detection 61 Canny edge detector 61 Hough transforms 63 Hough Line transform 63 Hough Circle transform 65 Contour 67 Contour finding 68 Representation of contours 68 Sequences of vertexes 68 Free chain codes Drawing contours 69 Polygon approximations 70 A contours example 70 Summary 72 Chapter 8: Face Detection Biometric systems camera captures 75 Machine learning 76 Face detection or the haar classifier 77 Boosting theory and supervised learning 78 Haar-like features 78 Code for face detection 81 Summary 83 Chapter 9: License Plate Recognition 85 License Plate Recognition 85 Algorithms for LPR 86 OCR 87 Tesseract-OCR 88 Code for License Plate Recognition 88 Assumption 89 Source code 89 GetwhitePixelMask Detectlicense Plate 91 FindlicensePlate 92 Output 93 Summary 93 Chapter 10: Image Stitching 95 Image stitching 95 Algorithms for image stitching 96 Image matching 96 【实例截图】
【核心代码】
Emgu CV
Emgu CV Essentials Copyright o 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 rt 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, cither express or implied. Neither the author nor Pacl 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 infori First published: November 2013 Production reference: 1071113 Published by Packt Publishing ltd Livery place 35 Livery street Birmingham b3 2PB UK ISBN978-1-78355-9527 www.packtpub.com Cover Image by Aniket Sawant(aniket_ sawant_photographyohotmail com Credits Author Project Coordinator Shin shi Suraj bist Reviewers Proofreader Yashaswitar bhoir Faye Coulman Luca del Tongo Acquisition Editors Priya Subramani Saleem ahmed Antony Lowe Graphics Ronak dhruv Commissioning Editor Abhinash Sahu Neil alexande Production coordinator Technical editors Arvindkumar Gupta Shiny poojary Faisal Siddiqui Cover Work Sonali s, vernekar Arvindkumar Gupta Copy Editors Alisha aranha Radula hegde Dipti Kapadia Gladson monteiro Sayanee Mukherjee Aditya Nair Alida paiva Adithi shetty About the author Shin shi is a member of the digital art Lab at Shanghai jiao Tong university When he built his first robot at the age of fourteen in 2005, he became interested in the field of computer vision. Over the last two years, he created a real-time face recognition attendance system using Emgu Cv at I huazhong University of Science and Technology. He obtained a B.E. in Software Engineering from HUST and is currently an M.S. candidate in Da Lab from SJTU. Now he is focusing on the field of computer graphics, such as creating physics-based simulations and the use of animation Foremost, I would like to give a very special thanks to my soul mate, Licheng Yin, for his invaluable support and patience. And I would like to express my sincere gratitude to Prof ZP Qin, for his motivation and immense knowledge Last but not least, I would like to thank my family for supporting me spiritually throughout my life About the reviewers Yashaswita R Bhoir is a full-time working professional, employed in an MNC and currently working on various technologies related to J2EE and application servers. She had her share of experience working on Emgu CV for a Human-Computer Interaction based project for a year. In addition to various projects on Emgu Cv, she has a few conference presentations to her name When not working on something or the other, Yashaswita likes spending her time cooking, analyzing political affairs or re-reading the Harry Potter series. You can getintouchwithheronykombinator@gmail.com Luca Del Tongo is a computer engineer with a strong passion for algorithms, computer vision, and image-processing techniques. He's the co-author of a free e-book called"Data Structures and Algorithms(DSa)"with 100k downloads and has published several image-processing tutorials on his Youtube channel, using Emgu CV During his Masters'thesis, he developed forensic algorithm for use on images, published in a scientific paper called Copy Move forgery detection and localization by means of robust clustering with j-Linkage" Currently, he works as a software engineer in the ophthalmology field developing corneal topography-processing algorithms and IOL calculations. He loves practicing sports and follows MOOC courses in his spare time. You can contact him throughhisblogathttp://blogs.ugidotnet.org/wetblog Www.Packtpub.com Support files, eBooks, discount offers and more Youmightwanttovisitwww.packtPub.comforsupportfilesanddownloadsrelated to your book Did you know that Packt offers e Book versions of every book published, with PDF andepuBfilesavailableYoucanupgradetotheeboOkversionatwww.packtpub com and as a print book customer, you are entitled to a discount on the e book copy Get in touch with us at service@packtpub com for more details Atwww.packtpub.comyoucanalsoreadacollectionoffreetechnicalarticlessign up for a range of free newsletters and receive exclusive discounts and offers on Packt books and ebooks PACKTLIB http://packtlIb.Packtpub.com Do you need instant solutions to your if questions? PacktLib is Packt's online digital book library. Here, you can access, read and search across Packt's entire library of books Why Subscribe? Fully searchable across every book published by Packt Copy and paste, print and bookmark content On demand and accessible via web browser Free Access for packt account holders Ifyouhaveanaccountwithpacktatwww.paCktpub.comyoucanusethistoaccess PacktLib today and view nine entirely free books Simply use your login credentials for immediate access Table of contents Preface Chapter 1: Introduction to Emgu CV What is Emgu CV? Comparing image-processing libraries License agreement Documentation and other materia Ease of use Performance Summary of the comparison Advantages of Emgu CV 55667789999 Cross-platform Cross-language support with examples Other advantages Summary Chapter 2: Installing Emgu CV Downloading Emgu CV 11 Installing Emgu CV 11 Installing on Windows Installing on Linux 16 Getting the dependenc 16 Building Emgu CV from source Installing on OS X 18 Getting the dependency 19 Building Mgu CV from source Troubleshooting 20 Windows 20 Linux 21 OS X 22 Summary 22 Table of contents Chapter 3: Hello World 3 Hello world in c# 23 Creating a new project 24 Designing our form 27 Coding 27 Output 29 Hello world in vb.net 30 Hello world in c++ 31 Summary 32 Chapter 4: Wrapping OpenCV 33 Architecture overview 33 OpenCV 33 Mgu CV 34 Function mapping 36 Structure mapping 36 Enumeration mapping 37 Summary 37 Chapter 5: Working with Images 39 Digital image representation 39 PixeLs and data 39 Pixel resolution 40 Color image representation 41 Color depth 43 Working with images 44 Creating an image 44 Loading an image from a file 46 Operations with pixels 47 Method naming rules 49 Using operator overload 50 Generic operations support Garbage collection 51 XML serialization 52 Summar 53 Chapter 6: Working with Matrices 55 Matrix and the Image class 55 Definition and parameters 56 Working with matrices 56 Creating a matrix 57 Operations with elements 58 Summary 59 Table of Contents Chapter 7: Shape Detection 61 Canny edge detector 61 Hough transforms 63 Hough Line transform 63 Hough Circle transform 65 Contour 67 Contour finding 68 Representation of contours 68 Sequences of vertexes 68 Free chain codes Drawing contours 69 Polygon approximations 70 A contours example 70 Summary 72 Chapter 8: Face Detection Biometric systems camera captures 75 Machine learning 76 Face detection or the haar classifier 77 Boosting theory and supervised learning 78 Haar-like features 78 Code for face detection 81 Summary 83 Chapter 9: License Plate Recognition 85 License Plate Recognition 85 Algorithms for LPR 86 OCR 87 Tesseract-OCR 88 Code for License Plate Recognition 88 Assumption 89 Source code 89 GetwhitePixelMask Detectlicense Plate 91 FindlicensePlate 92 Output 93 Summary 93 Chapter 10: Image Stitching 95 Image stitching 95 Algorithms for image stitching 96 Image matching 96 【实例截图】
【核心代码】
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