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Chapter 1 Hand Tracking/Basics.py

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mpDraw = mp.solutions.drawing_utils # 引用绘图工具,用于在图像上绘制检测到的手部关键点和连接线
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# 初始化时间变量用于计算帧率
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pTime = 0 # 表示前一帧的时间
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cTime = 0 # 表示当前帧的时间
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pTime = 0 # 表示前一帧的时间,previous time
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cTime = 0 # 表示当前帧的时间,current time
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# cTime - pTime 计算时间差,从而计算帧率。最后将 cTime 赋值给 pTime,以便在下一次循环时使用
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while True:

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