Q. Ye, J. Jiao, J. Huang, and H. Yu (PRC)
Text detection, feature combination, SVM classification
In this paper, we proposed a method for text detection in natural scene images by feature combination under a coarse-to-fine framework. Firstly, color feature is used to segment images into color-uniform regions by a clustering algorithm. Then edge features are extracted to construct a weak classifier to classify the regions into candidates or background. After a layout analysis procedure, candidate regions are connected into text lines. Finally texture features, color features, and statistic OCR (Optical Character Reader) features are extracted to discriminate text/non-text with a support vector machine (SVM). Experimental results on a large dataset show that the combination of features in different detection stages is competent for text detection task.
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