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An alternative way for adding position encoding to chessboard patterns is the PuzzleBoard pattern<ref name=stelldinger2024>P. Stelldinger, et al. "PuzzleBoard: A New Camera Calibration Pattern with Position Encoding." German Conference on Pattern Recognition. (2024). https://users.informatik.haw-hamburg.de/~stelldinger/pub/PuzzleBoard/. (2024).</ref>: Each chessboard edge is given one bit of information such that local parts of the pattern show a unique bit pattern. In comparison to ChArUco patterns, the position encoding can be read at much lower resolutions.
[[File:PuzzleBoard8x11.jpg|frame|center|width=500|alt=An example of a PuzzleBoard pattern with 8x11 chessboard corners.|An example of a PuzzleBoard pattern with 8x11 chessboard corners. Each 3x3 tile pattern is unique.]]
==See also==
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