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Determining the Orientation of Low Resolution Images of a De-Bruijn Tracking Pattern with a CNN

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Schmid, Andreas ; Lippl, Stefan ; Wimmer, Raphael
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Date of publication of this fulltext: 28 Oct 2022 14:58


Inside-out optical 2D tracking of tangible objects on a surface oftentimes uses a high-resolution pattern printed on the surface. While De-Bruijn-torus patterns offer maximum information density, their orientation must be known to decode them. Determining the orientation is challenging for patterns with very fine details; traditional algorithms, such as Hough Lines, do not work reliably. We show ...


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