Research Article

LoCoBoard: Low-Cost Interactive Whiteboard Using Computer Vision Algorithms

Figure 4

Algorithm A1 process. The first step: analyzing and collecting Pointers Location over the threshold (a), the second step: identifying the centroid (b), and terminology used in the algorithms representation (c).
252406.fig.004a
(a)
252406.fig.004b
(b)
252406.fig.004c
(c)