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#include "opencv2/photo.hpp" returns No such file or directory [closed]

asked 2020-03-20 13:04:30 -0500

andrei186 gravatar image

updated 2020-03-20 13:08:34 -0500

freshly installed Ubuntu 18 and openCV C++

pkg-config --modversion opencv returns: 3.4.10

g++ --version returns: g++ (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0

Yet compiling the sample decolor.cpp with

g++ -std=c++11 decolor.cpp -o fish -I /home/a/Downloads/installation/OpenCV-3.4/include/opencv2  -L /home/a/Downloads/installation/OpenCV-3.4/lib -lopencv_core -lopencv_highgui

returns

decolor.cpp:18:10: fatal error: opencv2/photo.hpp: No such file or directory

Indeed line 18 is:

 #include "opencv2/photo.hpp"

However

 dir /home/a/Downloads/installation/OpenCV-3.4/include/opencv2

shows photo.hpp sitting there

What am am I doing wrong? Perhaps some environment variables want change?

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Closed for the following reason duplicate question by andrei186
close date 2020-03-22 05:48:41.926812

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I use windows but on windows it is /home/a/Downloads/installation/OpenCV-3.4/include

LBerger gravatar imageLBerger ( 2020-03-20 13:43:59 -0500 )edit

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answered 2020-03-20 13:53:57 -0500

mvuori gravatar image

Your -I already points to the opencv2 subdir, so drop that in the #include

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Stupid me! Thank you, this helped

andrei186 gravatar imageandrei186 ( 2020-03-21 01:52:57 -0500 )edit

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Asked: 2020-03-20 13:04:30 -0500

Seen: 49 times

Last updated: Mar 20