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working with OpenCV-python and the aruco library for a tracking project. The following error is thrown when using

rvecs,tvecs = aruco.estimatePoseSingleMarker(corners, 0.1765, cameraMatrix, distcoefs)

error:

AttributeError: 'module' object has no attribute 'estimatePoseSingleMarker

others work fine

aruco.Dictionary_get(aruco.Dict_6x6_250)

aruco.DetectParameters_create()

any idea why its throwing that error?

>>> cv2.__version__
'3.2.0-dev'

odroid@odroid:~$ python --version
Python 2.7.12

odroid@odroid:~$ uname -a
Linux odroid 3.10.104-126 #1 SMP PREEMPT Tue Nov 29 22:24:16 UTC 2016 
armv7l armv7l armv7l GNU/Linux

edit: its in the help documentation

help(cv2.aruco)
Help on module cv2.aruco in cv2:

NAME
    cv2.aruco

FILE
    (built-in)

FUNCTIONS


estimatePoseSingleMarkers(...)
    estimatePoseSingleMarkers(corners, markerLength, cameraMatrix, 
distCoeffs[, rvecs[, tvecs[, _objPoints]]]) -> rvecs, tvecs, 
_objPoints
Drak
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1 Answers1

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the module is aruco.estimatePoseSingleMarkers with an s at the end

Collin
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