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author | Théo de la Hogue | 2023-11-07 15:54:45 +0100 |
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committer | Théo de la Hogue | 2023-11-07 15:54:45 +0100 |
commit | 78ce6ffc892ef7d64a8d1da0dbdfcbf34d214bbd (patch) | |
tree | 4509c14aa1800d2666c50c47549a044e5a6c11d0 /docs/user_guide/aruco_markers/markers_detection.md | |
parent | bc9257268bb54ea68f777cbb853dc6498274dd99 (diff) | |
parent | f8b1a36c9e486ef19f62159475b9bf19a5b90a03 (diff) | |
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Merge branch 'master' of ssh://git.recherche.enac.fr/interne-ihm-aero/eye-tracking/argaze
Diffstat (limited to 'docs/user_guide/aruco_markers/markers_detection.md')
-rw-r--r-- | docs/user_guide/aruco_markers/markers_detection.md | 47 |
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diff --git a/docs/user_guide/aruco_markers/markers_detection.md b/docs/user_guide/aruco_markers/markers_detection.md deleted file mode 100644 index af2fb4f..0000000 --- a/docs/user_guide/aruco_markers/markers_detection.md +++ /dev/null @@ -1,47 +0,0 @@ -Markers detection -================= - -![Detected markers](../../img/detected_markers.png) - -Firstly, the [ArUcoDetector](../../argaze.md/#argaze.ArUcoMarkers.ArUcoDetector.ArUcoDetector) needs to know the expected dictionary and size (in centimeter) of the [ArUcoMarkers](../../argaze.md/#argaze.ArUcoMarkers.ArUcoMarker) it have to detect. - -Notice that extra parameters are passed to detector: see [OpenCV ArUco markers detection parameters documentation](https://docs.opencv.org/4.x/d1/dcd/structcv_1_1aruco_1_1DetectorParameters.html) to know more. - -``` python -from argaze.ArUcoMarkers import ArUcoDetector, ArUcoOpticCalibrator - -# Assuming camera calibration data are loaded - -# Loading extra detector parameters -extra_parameters = ArUcoDetector.DetectorParameters.from_json('./detector_parameters.json') - -# Create ArUco detector to track DICT_APRILTAG_16h5 5cm length markers -aruco_detector = ArUcoDetector.ArUcoDetector(optic_parameters=optic_parameters, dictionary='DICT_APRILTAG_16h5', marker_size=5, parameters=extra_parameters) -``` - -Here is [DetectorParameters](../../argaze.md/#argaze.ArUcoMarkers.ArUcoDetector.DetectorParameters) JSON file example: - -``` -{ - "cornerRefinementMethod": 1, - "aprilTagQuadSigma": 2, - "aprilTagDeglitch": 1 -} -``` - -The [ArUcoDetector](../../argaze.md/#argaze.ArUcoMarkers.ArUcoDetector.ArUcoDetector) processes image to detect markers and allows to draw detection results onto it: - -``` python -# Detect markers into image and draw them -aruco_detector.detect_markers(image) -aruco_detector.draw_detected_markers(image) - -# Get corners position into image related to each detected markers -for marker_id, marker in aruco_detector.detected_markers.items(): - - print(f'marker {marker_id} corners: ', marker.corners) - - # Do something with detected marker i corners - ... - -``` |