In this paper, we present a novel persistence of vision display named SteganoScan. SteganoScan is a stick shaped display device with a single line of LEDs that emits light in full color and shows 2D images without any screen.

Despite the many challenges understanding how best to interact with large format displays, they are becoming increasingly popular for data analysis tasks in a variety of domains, including scientific, information, and geo-visualization. (Figure 1a shows ...