Sensor design and interaction techniques for gestural input to smart glasses and mobile devices
Andrea Colaço · 2013
Touchscreen interfaces for small display devices have several limitations: the act of touching the screen occludes the display, interface elements like keyboards consume precious display real estate, and even simple tasks like document navigation - which the user performs effortlessly using a mouse and keyboard - require repeated actions like pinch-and-zoom with touch input. More recently, smart glasses with limited or no touch input are starting to emerge commercially. However, the primary input to these systems has been voice.