17 January 2005 Revolutionizing handwriting with a digital pen
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Abstract
We demonstrate a standalone digital pen that writes on regular paper by tracking the writing nib’s absolute position in paper coordinates. The pen writes like a regular pen, but simultaneously captures handwritten information digitally with the aid of a Navigation Engine mounted atop the pen. The Navigation Engine has a wide-field-of-view vision system with a single-viewpoint catadioptric lens for observing the environment as the pen writes. A processor belonging to the Navigation Engine applies computationally efficient navigation algorithms to a stream of images of the pen’s environment to capture the pen’s full movement. The resultant data stream including x-y position of the nib and the pen’s Euler angles facilitate application of this technology to a wide range of tasks. In contrast to all other known digital pen technologies, this pen not only functions like a regular pen, but also provides an electronic copy of the digital writing without using any special paper.
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Marek Alboszta, Marek Alboszta, G. Gary Zhang, G. Gary Zhang, Stewart Carl, Stewart Carl, Hector Gonzalez, Hector Gonzalez, Mike Mandella, Mike Mandella, } "Revolutionizing handwriting with a digital pen", Proc. SPIE 5675, Vision Geometry XIII, (17 January 2005); doi: 10.1117/12.588414; https://doi.org/10.1117/12.588414
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