“Interacting effectively with increasingly widespread and advanced systems is one of the most important challenges of our time. Most modern HMIs are based on mouse, keyboard or touch screen and allow controlling even very complex devices in a simple and intuitive way. However, in certain contexts, the user may be unable to have direct contact with a device, in this case, we are talking about hands-free interactions and often voice commands are used to interact. But controlling a system by voice, however natural, is not effective for all types of operations and in all environments. In fact, every technology has its peculiarities, that’s why the HMI design and the UX are the subject of continuous research and aim to offer increasingly effective and natural interaction methods, also thanks to the combined use of more complementary technologies between them…”
Read our article about eye tracking technology on the Qt official blog