Qt 5 and OpenCV 4 Computer Vision Projects : Get up to Speed with Cross-Platform Computer Vision App Development by Building Seven Practical Projects.

Questions; Chapter 7: Real-Time Car Detection and Distance Measurement; Technical requirements; Car detection in real time; Distance measurement; Measuring the distance between cars or between the car and the camera; Measuring the distance between a car and the camera in the eye-level view; Switchin...

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Detalles Bibliográficos
Clasificación:Libro Electrónico
Autor principal: Qingliang, Zhuo
Formato: Electrónico eBook
Idioma:Inglés
Publicado: Birmingham : Packt Publishing, Limited, 2019.
Temas:
Qt (Electronic resource)
Computer vision.
Computer vision > Computer programs.
OpenCV (Computer program language)
Vision par ordinateur.
Vision par ordinateur > Logiciels.
OpenCV (Langage de programmation)
Computer vision
Computer vision > Computer programs
Acceso en línea:Texto completo
Tabla de Contenidos:
  • Cover; Title Page; Copyright and Credits; Dedication; About Packt; Contributors; Table of Contents; Preface; Chapter 1: Building an Image Viewer; Technical requirements; Designing the user interface; Starting the project from scratch; Setting up the full user interface; Implementing the functions for the actions; The Exit action; Opening an image; Zooming in and out; Saving a copy; Navigating in the folder; Responding to hotkeys; Summary; Questions; Chapter 2: Editing Images Like a Pro; Technical requirements; The ImageEditor application; Blurring images using OpenCV; Adding the blur action
  • Building and installing OpenCV from the sourceBlurring images; QPixmap, QImage, and Mat; QPixmap; QImage; Mat; Adding features using Qt's plugin mechanism; The plugin interface; Eroding images with ErodePlugin; Loading the plugin into our application; Editing images like a pro; Sharpening images; Cartoon effect; Rotating images; Affine transformation; Summary; Questions; Chapter 3: Home Security Applications; Technical requirements; The Gazer application; Starting the project and setting up the UI; Accessing cameras; Listing cameras with Qt; Capturing and playing
  • Threading and the performance of real-time video processingCapturing and playing with Qt; Calculating the FPS; Saving videos; Motion analysis with OpenCV; Motion detection with OpenCV; Sending notifications to our mobile phone; Summary; Questions; Chapter 4: Fun with Faces; Technical requirements; The Facetious application; From Gazer to Facetious; Taking photos; Detecting faces using cascade classifiers; Detecting facial landmarks; Applying masks to faces; Loading images with the Qt resource system; Drawing masks on the faces; Selecting masks on the UI; Summary; Questions
  • Chapter 5: Optical Character RecognitionTechnical requirements; Creating Literacy; Designing the UI; Setting up the UI; OCR with Tesseract; Building Tesseract from the source; Recognizing characters in Literacy; Detecting text areas with OpenCV; Recognizing characters on the screen; Summary; Questions; Chapter 6: Object Detection in Real Time; Technical requirements; Detecting objects using OpenCV; Detecting objects using a cascade classifier; Training a cascade classifier; The no-entry traffic sign; The faces of Boston Bulls; Detecting objects using deep learning models; About real time

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