Using Focal Blur 使用焦点模糊
The autofocus method in this paper has three characters: using a simple calculation of focal blur to reduce the complexity of the algorithm;
本文所用方法有三方面的优势：第一，对于屏幕模糊图像的获取运用一个简单的焦点模糊的计算方法，减小了处理的数据量；
Image stabilization systems reduce the blur caused by camera shake, allowing sharp pictures to be taken even in low light or at long focal lengths.
图像稳定系统减少了由于相机抖动造成的模糊现象，使得即使在弱光以及长焦距下拍摄的照片也可以非常清晰、漂亮。
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