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针对现在大多文字定位方法只能对水平方向定位而不能很好的定位倾斜文字的局限性,采用一种自适应角度定位方法,对原始图像进行快速的一次定位,借助于阈值投影和投影像素和的特点,从维吾尔文基线特征出发,结合自适应算法选取文本区域面积最小的角度,对图像中的维吾尔文进行二次定位。该方法可用于水平和倾斜文字多种文字区域定位。实验结果表明该方法实用性强,准确率高。
Aiming at the limitation that most text positioning methods can not locate the tilted text horizontally only for horizontal orientation, an adaptive angle positioning method is adopted to locate the original image quickly. With the aid of threshold projection and projection pixels and Based on the characteristics of Uyghur’s baseline, this paper combines the adaptive algorithm to select the smallest area of the text area and locates the Uighur language in the image secondarily. The method can be used to locate multiple text areas horizontally and obliquely. Experimental results show that the method is practical and accurate.