Through calculating the connected components of the background area of character image, hole features of a handwritten character image can be extracted.

提出了基于等价类行程的连通域算法，通过计算字符图像背景区域连通域提取手写字符图像的孔洞特征。

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The ranch is located at the confluence of four great trout rivers the Ruby, the Big Hole, the Beaverhead and the Jefferson and features four spring creeks.

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DataTraveler HyperX 3.0 features a metal and rubberized casing with a reinforced key ring hole for daily use.

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It features guided tours, talks, exhibitions and a pin-hole camera project, aimed at encouraging people to take another look at buildings in the city.

BBC: Birmingham & Black Country