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عنوان البحث(Papers / Research Title)


Wavelet transform based technique for text image localization


الناشر \ المحرر \ الكاتب (Author / Editor / Publisher)

 
سهاد احمد علي القره غولي

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سهاد,احمد,علي,القره,غولي ,Wavelet transform based technique for text image localization , Time 25/04/2021 21:25:31 : كلية العلوم للبنات

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الوصف الكامل (Full Abstract)

In this paper, a robust technique based on discrete wavelet transform, edge detection, and morphology operation for scene text detection is proposed. There are several stages in the proposed method. In the first stage, a single wavelet decomposition LH, HL and HH subbands are applied for detecting edges in original scene text image. The projection technique is applied in the second stage to preliminary detect text and non-text pixels. In third stage, 4-connected components are applied, and then area geometric feature is used as threshold to remove non-text region. At last stage, morphological operations are applied to connect isolated text components and to remove non-text regions. The proposed method is applied on a various images such as images of low contrast, complex background images and images of different fonts and size of text. The experimental results show that the proposed method can detect …

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