I’ve been playing with the idea of an inexpensive large collaborative wall. Part of the requirements for my large interactive touch screen is that it has to be multitouch and provide a more natural way of interfacing with it other than mouse and keyboard. Johnny Lee has shown that you can build one pretty cheaply. You can set one up using just a couple Wii remotes, a projection screen, and a homemade IR pen. You can then create a virtual whiteboard application pretty easily.

The problem with virtual whiteboards is that all the drawings and text are just graphics. They don’t mean anything to the system. The text isn’t really text. It would be better if you could write the letters and have them be interpreted as real text.

Using an open source Flash based mouse gesture library, I put together a concept virtual corkboard that lets you write letters with your mouse (or IR pen) and put that text on virtual PostIt notes that you can place anywhere on the board.

Check out the video:

Of course, this isn’t the only way to tackle this problem. One could just do OCR on the drawings and figure out the text that way like the mobile app EverNote, but this is just one solution.

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