A large segment of photo editing, especially when it’s done on a mobile device, involves applying simple pre-designed filters. While clicking a single filter is pretty simple on the user’s end, it involves some serious science on the back end.
In this video, Dr. Mike explains the fundamental principles behind things like Gaussian blur and edge detection, which are used to affect sharpness in an image.
If you’re not a nerd about imaging tech, it might seem kind of dry. But, if you’re a frequent filter user, it might shed some light on exactly what’s happening when you apply those Instagram filers.