How can i put text on image using opencv puttext function

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hello guys

I am working on visual studio 2010 and opencv-2.4.9 and i want to put unicode text on image using puttext function but puttext function not working properly with unicode text(japanease,arabic etc) and dispaly text on image as"??????" but puttext() with english text work properly.

code snippet:

cv::Mat m=img;

cv::putText(m,"名前",cv::Point((m.cols/2,m.rows/2),cv::FONT_ITALIC,.5,cv::Scalar(180,180,180),1,CV_AA); please help me for showing unicode text on image

your help will be appreciated. thanks

What I have tried:

I am working on visual studio 2010 and opencv-2.4.9 and i want to put unicode text on image using puttext function but puttext function not working properly with unicode text(japanease,arabic etc) and dispaly text on image as"??????" but puttext() with english text work properly.

code snippet:

cv::Mat m=img;

cv::putText(m,"名前",cv::Point((m.cols/2,m.rows/2),cv::FONT_ITALIC,.5,cv::Scalar(180,180,180),1,CV_AA); please help me for showing unicode text on image

your help will be appreciated. thanks

Posted 7-Feb-16 21:03pm

zulf171983

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zulf171983 8-Feb-16 3:34am

hi
i have used
cv::addText(m,"名前",cv::Point(0,m.rows-10),cv::fontQt ("Times", 30, cv::Scalar (0, 0, 0), CV_FONT_NORMAL));
no debug error in visual studio 2010 but not working throw exeception

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CPallini · Answer 1 · 2016-02-07T21:11:00

Solution 1

It looks that puttext is not able to render such characters, see "puttext and unicode text (chinese, japanese, ...)"[^].

Posted 7-Feb-16 21:11pm

CPallini