imencode() buffer exception [closed]

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In opencv 3.2 there is no problem with your code. Check image size and channels

cv::threshold(image, image, 100, 255, cv::THRESH_BINARY + cv::THRESH_OTSU);
cout<< image.size();
cout<< image.channels();

std::vector<uchar> buf;
imencode(".jpg", image, buf);

check dll you have to use release dll in release mode and debug dll in debug mode

What size is a small image?

Firstly thanks for your reply LBerger. Checked what you said. Small image size : [86 x 39] Channel : 1 it is working with this image Large image size . [194 x 180] Channel : 1 it has gave exception with this and larger images All dll's imported for release mode i checked again with your advice

When project give exception it's showing from Microsoft Visual Studio 14.0\VC\include\vector's this line;

        this->_Getal().deallocate(this->_Myfirst(),

Thanks for your reply LBerger. your first bad idea solved my problem. I will upgrade my project to opencv3.2 as soon as possible for more clear solution.