提出了一种可单帧判断图像是否清晰的方法,消除了图像在清晰情况下却触发调焦的误操作,从而提高了跟踪的可靠性和精度。
This dissertation puts forward a way on judging an image whether in focus by a single frame, and avoiding an error operation when the image in focus to spring focus.
焦深在高密度光盘存储系统中具有十分重要的作用,大焦深可以使调焦伺服系统容易跟踪盘面。
Focal depth plays an important role in optical storage systems, and high focal depth makes the focusing servo system easy to track the disk surface.
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