double fps,t = 0;<br /> double sum = 0,fsum = 0;<br /> double afps = 0;<br />先初始化几个变量<br /> t = (double)cv::getTickCount();<br />把这一行放在代码开头处<br />t = ((double)cv::getTickCount() - t) / cv::getTickFrequency();<br /> fps = 1.0/t;<br /> fsum +=fps;<br /> sum++;<br /> afps = fsum/sum;<br /> cout << "当前帧率为：" << fps <<endl;<br /> cout << "平均帧率为：" << afps <<endl;<br />把这一坨放在代码最后，即可在终端显示代码帧率
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