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@linoooooo 你好,我们的相机内部isp流程是没有整帧缓存的,相机本身引入的delay是毫秒之内。 我觉得你这个延时主要是v4l2取图缓存和显示缓存的缘故。不过说实话SDL库我们不太懂,怎样优化需要您自己研究一下。 至于相机采集后,您这边程序直接导入算法的话,延迟肯定要比这种测量方法小的多。