Instant OpenCV for iOS

Learn how to build real-time computer vision applications for the iOS platform using the OpenCV library
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Instant OpenCV for iOS

Alexander Shishkov, Kirill Kornyakov

1 customer reviews
Learn how to build real-time computer vision applications for the iOS platform using the OpenCV library
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Book Details

ISBN 139781782163848
Paperback96 pages

Book Description

Computer vision on mobile devices is becoming more and more popular. Personal gadgets are now powerful enough to process high-resolution images, stitch panoramas, and detect and track objects. OpenCV, with its decent performance and wide range of functionality, can be an extremely useful tool in the hands of iOS developers.

Instant OpenCV for iOS is a practical guide that walks you through every important step for building a computer vision application for the iOS platform. It will help you to port your OpenCV code, profile and optimize it, and wrap it into a GUI application. Each recipe is accompanied by a sample project or an example that helps you focus on a particular aspect of the technology.

Instant OpenCV for iOS starts by creating a simple iOS application and linking OpenCV before moving on to processing images and videos in real-time. It covers the major ways to retrieve images, process them, and view or export results. Special attention is also given to performance issues, as they greatly affect the user experience.Several computer vision projects will be considered throughout the book. These include a couple of photo filters that help you to print a postcard or add a retro effect to your images. Another one is a demonstration of the facial feature detection algorithm. In several time-critical cases, the processing speed is measured and optimized using ARM NEON and the Accelerate framework.

OpenCV for iOS gives you all the information you need to build a high-performance computer vision application for iOS devices.

Table of Contents

Chapter 1: Instant OpenCV for iOS
Getting started with iOS (Simple)
Displaying an image from resources (Simple)
Linking OpenCV to an iOS project (Simple)
Detecting faces with Cascade Classifier (Intermediate)
Printing a postcard (Intermediate)
Working with images in Gallery (Intermediate)
Applying a retro effect (Intermediate)
Taking photos from camera (Intermediate)
Creating a static library (Intermediate)
Capturing a video from camera (Simple)
Control advanced camera settings (Advanced)
Applying effects to live video (Intermediate)
Saving video from camera (Simple)
Optimizing performance with ARM NEON (Advanced)
Detecting facial features (Advanced)
Using the Accelerate framework (Advanced)
Building OpenCV for iOS from sources (Advanced)

What You Will Learn

  • Build a simple iOS application with GUI and controls
  • Link OpenCV to your project and call it from the Objective C code
  • Load and save images to the gallery
  • Interact with the camera and control its advanced settings
  • Implement several photo effects
  • Process video streams from the camera in real-time and save it in H.264 format
  • Detect faces and facial features and minimize the detection speed
  • Use the Accelerate framework to optimize the performance

Authors

Table of Contents

Chapter 1: Instant OpenCV for iOS
Getting started with iOS (Simple)
Displaying an image from resources (Simple)
Linking OpenCV to an iOS project (Simple)
Detecting faces with Cascade Classifier (Intermediate)
Printing a postcard (Intermediate)
Working with images in Gallery (Intermediate)
Applying a retro effect (Intermediate)
Taking photos from camera (Intermediate)
Creating a static library (Intermediate)
Capturing a video from camera (Simple)
Control advanced camera settings (Advanced)
Applying effects to live video (Intermediate)
Saving video from camera (Simple)
Optimizing performance with ARM NEON (Advanced)
Detecting facial features (Advanced)
Using the Accelerate framework (Advanced)
Building OpenCV for iOS from sources (Advanced)

Book Details

ISBN 139781782163848
Paperback96 pages
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