OpenCV 3.x with Python By Example - Second Edition

How to track planar objects

Now that you understand what pose estimation is, let's see how you can use it to track planar objects. Let's consider the following planar object:

Now, if we extract feature points from this image, we will see something like this:

Let's tilt the cardboard box:

As we can see, the cardboard box is tilted in this image. Now, if we want to make sure our virtual object is overlaid on top of this surface, we need to gather ...