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Merge pull request #3017 from pauljurczak:patch-3

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Alexander Alekhin
2021-08-24 19:32:55 +00:00
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modules/aruco/README.md
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@@ -7,6 +7,6 @@ ArUco markers are easy to detect pattern grids that yield up to 1024 different p
**ChArUco**
ArUco markers were improved by interspersing them inside a checkerboard called ChArUco. Checkerboard corner intersectionsa provide more stable corners because the edge location bias on one square is countered by the opposite edge orientation in the connecting square. By interspersing ArUco markers inside the checkerboard, each checkerboard corner gets a label which enables it to be used in complex calibration or pose scenarios where you cannot see all the corners of the checkerboard.
ArUco markers were improved by interspersing them inside a checkerboard called ChArUco. Checkerboard corner intersections provide more stable corners because the edge location bias on one square is countered by the opposite edge orientation in the connecting square. By interspersing ArUco markers inside the checkerboard, each checkerboard corner gets a label which enables it to be used in complex calibration or pose scenarios where you cannot see all the corners of the checkerboard.
The smallest ChArUco board is 5 checkers and 4 markers called a "Diamond Marker".