Revolutionizing handwriting with a digital pen

Marek Alboszta; G. Gary Zhang; Stewart Carl; Hector Gonzalez; Mike Mandella

doi:10.1117/12.588414

17 January 2005 Revolutionizing handwriting with a digital pen

Marek Alboszta, G. Gary Zhang, Stewart Carl, Hector Gonzalez, Mike Mandella

Proceedings Volume 5675, Vision Geometry XIII; (2005) https://doi.org/10.1117/12.588414
Event: Electronic Imaging 2005, 2005, San Jose, California, United States

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, G. Gary Zhang, Stewart Carl, Hector Gonzalez, and Mike Mandella "Revolutionizing handwriting with a digital pen", Proc. SPIE 5675, Vision Geometry XIII, (17 January 2005); https://doi.org/10.1117/12.588414

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KEYWORDS

Cameras

Digital signal processing

Optical navigation

Imaging systems

Navigation systems

Signal processing

Image processing

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