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A Laplacian Approach to Multi-Oriented Text Detection in Video

机译:视频中多方向文本检测的拉普拉斯方法

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摘要

Abstractȁ4;In this paper, we propose a method based on the Laplacian in the frequency domain for video text detection. Unlike many other approaches which assume that text is horizontally-oriented, our method is able to handle text of arbitrary orientation. The input image is first filtered with Fourier-Laplacian. K--means clustering is then used to identify candidate text regions based on the maximum difference. The skeleton of each connected component helps to separate the different text strings from each other. Finally, text string straightness and edge density are used for false positive elimination. Experimental results show that the proposed method is able to handle graphics text and scene text of both horizontal and nonhorizontal orientation.
机译:摘要ȁ4;本文提出了一种基于拉普拉斯频域的视频文本检测方法。与许多其他假定文本为水平方向的方法不同,我们的方法能够处理任意方向的文本。首先使用傅立叶-拉普拉斯滤波输入图像。然后使用K-均值聚类基于最大差异来识别候选文本区域。每个连接组件的框架有助于将不同的文本字符串彼此分开。最后,使用文本字符串的直线度和边缘密度来消除假阳性。实验结果表明,该方法能够处理水平和非水平方向的图形文本和场景文本。

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