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how to use opencv4 in noetic

asked 2021-12-04 02:31:12 -0500

aryastark
1 ●1 ●1 ●2

updated 2021-12-19 09:06:37 -0500

catkin_create_pkg test std_msgs roscpp opencv4

then

catkin_make

this would give me an error:can't find opencv4 guys,how can i use opencv4 in noetic ?

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Please refer to previous answer: https://answers.ros.org/question/3622...

osilva ( 2021-12-06 07:50:59 -0500 )edit

Thank you,osilva.

aryastark ( 2021-12-19 09:07:36 -0500 )edit

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answered 2021-12-21 10:14:12 -0500

Mike Scheutzow
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updated 2021-12-21 10:15:14 -0500

noetic depends on the system apt pkg install of libopencv-dev, which for ubuntu 20.04 is opencv v4.2.

The binary packages from the ros repo expect this is the exact version of opencv that you have installed.

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Asked: 2021-12-04 02:31:12 -0500

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Last updated: Dec 21 '21

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