LoCoBoard: Low-Cost Interactive Whiteboard Using Computer Vision Algorithms

Table 4

Qualitative comparison LocoBoard with related systems.

App./criteria	Cost	Equipment	Compatibility	Support	TUIO	Usability
LoCoBoard [1]	Low	Camera, IR-Pointer, Pass-IR filter	Windows, Mac OS X, Linux	Single*	Yes	Simple
Johnny Lee Whiteboard [12]	Moderate	Wiimote, Bluetooth adapter, IR-Pointer	Windows	Single	No	Moderate
Uweschmidt; [13]	Moderate	Wiimote, Bluetooth adapter, IR-Pointer	Windows, Mac OS X, Linux	Single	Yes	Moderate
CCV/Tbeta [16]	Low	Camera, IR-Pointer, Pass-IR filter	Windows, Mac OS X, Linux	Multi	Yes	Moderate
Touchlib [15]	Low	Camera, IR-Pointer, Pass-IR filter,	Win	Multi	Yes	Complex
		IDE compiler

∗note: multipoint is supported but was not the main focus, since operating systems are not prepared off the shelf to handle multiple source of input.