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Code:

cv::Mat a(1024, 1024, CV_8UC1);

cv::Mat b(512, 512, CV_8UC1);

cv::resize(a, b, cv::Size(512, 512));

The memory cost raised 20M after cv::resize().

The number is different on different environment.

Is Opencv create some memory cache?

How do I release these memory?

Code:

cv::Mat a(1024, 1024, CV_8UC1);

cv::Mat b(512, 512, CV_8UC1);

cv::resize(a, b, cv::Size(512, 512));

The memory cost raised 20M after cv::resize().

The number is different on different environment.

Is Opencv create some memory cache?

How do I release these memory?