---- datatemplateentry publication ----
template            : publications:display_template
title               : Dothraki: Tracking Tangibles Atop Tabletops Through De-Bruijn Tori
date_date           : 2021-02-15
template            : publications:display_template
authors_            : Dennis Schüsselbauer, [[people:andreas_schmid|Andreas Schmid]], [[people:raphael_wimmer|Raphael Wimmer]]
epub_url            : https://epub.uni-regensburg.de/44868/1/dothraki_authorversion.pdf
publisher_url       : https://dl.acm.org/doi/10.1145/3430524.3440656
pdf_url             : https://epub.uni-regensburg.de/44868/1/dothraki_authorversion.pdf
bibtex_url          : https://epub.uni-regensburg.de/cgi/export/eprint/44868/BibTeX/epub-eprint-44868.bib
video_url           : https://www.youtube.com/watch?v=a104TfTr51M
doi                 : 10.1145/3430524.3440656
photo_img           : projects:dottrack:dottrack_title_01.png
short-description   : Accurate inside-out tracking method for tangible blocks based on a printed De-Bruijn pattern and a mouse sensor.
abstract            : Tangibles are small, graspable objects that act as input devices or physical representations of digital data. Oftentimes, it is desirable to track the position of tangibles on a surface and their relation to each other. However, outside-in tracking techniques - such as capacitive touchscreens or cameras - require setting up elaborate infrastructure and are prone to occlusion or interference. We propose Dothraki, an inside-out tracking technique for tangibles on flat surfaces. An optical mouse sensor embedded in the tangible captures a small (36×36 pixel / 1×1 mm), unique section of a black-and-white De-Bruijn dot pattern printed on the surface. Our system efficiently searches the pattern space in order to determine the precise location of the tangible with sub-millimeter accuracy. Our proof-of-concept implementation offers a recognition rate of up to 95%, robust error detection, an update rate of 14 Hz, and a low-latency relative tracking mode.
published-in        : Proceedings of the 2021 Conference on Tangible, Embedded, and Embodied Interaction
project             : dottrack
---- 

## Videos

### Conference Presentation (TEI'21)

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### Project Video

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## Resources

- [Project page](:projects:dottrack) with further details about the project