welcome to linkAR technical documentation



1.1.- What is it?

The Tracker Framework gives you a very easy and intuitive way to integrate Image and QR codes matching capabilities in your application.
It is A very simple matching library that allows developers to integrate matching support in their application with only a couple of simple function calls.
The library also support custom implementation and use of the processing function that might be suitable for advanced users.

1.2.- Key Concepts

  • Image - 2d image, either from camera or other source, the more details an image has, the more keypoints it will have, thus easier to match.
  • QR code - (Quick Response Code) two-dimensional matrix code. The code consists of black modules (square dots) arranged in a square pattern on a white background. The information encoded can be made up of four standardized kinds (“modes”) of data (numeric, alphanumeric, byte/binary ,etc..).

1.3.- This document tells you how to do the following:

You should read this document to gain an understanding of the Matcher framework. You must be familiar with the basics of iOS development, including the Objective-C language.

This documents will explain the basic setup and use of the framework.

1.4.- iOS compatible SDK versions

  • iPhone 4
  • iPhone 4S
  • iPad 2
  • new iPad (early 2012)

1.5.- Known Bugs

1.6.- Organization of This Document

  • Quick Start Tutorial
  • Building Blocks: Adding Images
  • User Interaction
  • Related Documents

1.7.- See Also