According to the selfoc lens imaging properties, the Gauss image formula of the selfoc lens is deduced.
从自聚焦透镜的成像特性出发，导出了自聚焦透镜与普通透镜相同的高斯物像公式。
But after the Gauss filter process, the threshold image is changed into smooth one which has smaller burr and has better connectedness.
提出一种“高斯滤波”的方法去除这些白点，使二值化图像平滑、少毛刺，并具有较好的连通性。
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