Data embedding into characters

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Abstract

This paper reviews several trials of re-designing conventional communication medium, i.e., characters, for enriching their functions by using data-embedding techniques. For example, characters are redesigned to have better machine-readability even under various geometric distortions by embedding a geometric invariant into each character image to represent class label of the character. Another example is to embed various information into handwriting trajectory by using a new pen device, called a data-embedding pen. An experimental result showed that we can embed 32-bit information into a handwritten line of 5 cm length by using the pen device. In addition to those applications, we also discuss the relationship between data-embedding and pattern recognition in a theoretical point of view. Several theories tell that if we have appropriate supplementary information by data-embedding, we can enhance pattern recognition performance up to 100%.

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APA

Kise, K., Omachi, S., Uchida, S., Iwamura, M., & Liwicki, M. (2015). Data embedding into characters. IEICE Transactions on Information and Systems, E98D(1), 10–20. https://doi.org/10.1587/transinf.2014MUI0002

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