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延迟不匹配问题 #30

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Tendaliu opened this issue May 27, 2024 · 0 comments

Tendaliu commented May 27, 2024

// 从视频输出获取mediapipe::ImageFrame结果
auto& output_frame = videoPacket.Getmediapipe::ImageFrame();

// 转换mediapipe::ImageFrame为cv::Mat
cv::Mat output_frame_mat = mediapipe::formats::MatView(&output_frame);

用上述方法显示标记点是完全正常的；但如果是获取标记点坐标，然后将面部标记点用opencv绘制到帧图像上，播放过程能明显看到标记点比图像慢了一两帧的样子，您知道原因吗

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