计算机科学 ›› 2015, Vol. 42 ›› Issue (6): 288-292.doi: 10.11896/j.issn.1002-137X.2015.06.060
许肖,顾磊
XU Xiao and GU Lei
摘要: 针对复杂背景下的文本检测问题,提出了一种基于主动轮廓模型的文本检测方法。输入的图像首先经过sobel-laplacian锐化后再由gaussian-laplacian进行过滤。预处理完成后的图片首先通过改进的主动轮廓模型得到初始轮廓,再通过算法的反复迭代扩大或缩小轮廓线得到最终轮廓,最后通过后处理尽量排除非文本块,从而得到最终文本区。区别于以往检测方法,所提方法最终不但可以框出文本行,还可以框出单个文本,有利于后续分割识别的进行。实验表明所提方法可有效检测出图像中的文本。
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