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Data-Embedding Pen

Data-Embedding Pen

Seiichi Uchida (Kyushu University, Japan), Marcus Liwicki (German Research Center for Artificial Intelligence (DFKI), Germany), Masakazu Iwamura (Osaka Prefecture University, Japan), Shinichiro Omachi (Tohoku University, Japan), and Koichi Kise (Osaka Prefecture University, Japan)
Copyright: © 2013 |Pages: 16
DOI: 10.4018/978-1-4666-2217-3.ch018
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Abstract

In this chapter, the authors present a new writing device called data-embedding pen, where a single inkjet nozzle is attached to its pen tip. When writing a stroke, the nozzle produces an additional ink-dot sequence along the stroke. The ink-dot sequence can represent various meta-information, such as the writer’s ID, the writing date, and a certain URL. Since the embedded meta-information is placed on the paper, it can be extracted by scanning or photographing the paper. Accordingly, by the data-embedding pen, a physical paper conveys any digital information. In other words, handwriting by the data-embedding pen can be a new medium connecting the physical and cyber worlds.
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Data embedding into papers has been done statically by a printer. For example, XEROX DataGlyph (Hecht, 1994) is a kind of digital watermarks and information is printed and embedded as a fine texture into font images or photographs. Universal character pattern (Uchida, Iwamura, Omachi, & Kise, 2006; Omachi, Iwamura, Uchida, & Kise, 2006; Uchida, Sakai, Iwamura, Omachi, & Kise, 2007) is also printed character where class information is embedded in various ways.

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