Finding more information on computer vision
We started looking at computer vision in Chapter 13, Robot Vision – Using a Pi Camera and OpenCV. We used OpenCV to track colored objects and faces but barely scratched the surface of computer vision.
Books
I recommend the book OpenCV with Python By Example, Prateek Joshi, Packt Publishing, if you wish to continue learning about OpenCV. This book uses computer vision to build augmented reality tools and to identify and track objects and takes you through different image transformations and checks, showing screenshots for each of them. It is also quite fun as it contains lots of hands-on code.
You can even extend computer vision further to 3D computer vision with the Xbox 360 Kinect sensor bar. Although they are no longer produced by Microsoft, they are extremely common and fairly cheap on eBay. Note that there is a modern Azure Connect device you can use for this, but at the time of writing, this is 20 times the price! The...