How amazing would it be if you could digitize all your features in an image with just a click of a button? On top of that, do you classify each feature with another click of a button? Sounds like magic? But these two processes are segmentation and classification performed in OBIA. Let’s examine what it is and how you can use it to get your work done more efficiently and accurately. Human visual perception almost always outperforms computer vision algorithms. For example, your eyes know a river when it sees one. But a computer can’t recognize rivers from lakes.