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Automated systems for understanding display boards are finding many applications useful in guiding tourists, assisting visually challenged and also in providing location aware information. Such systems require an automated method to detect and extract text prior to further image analysis. In this paper, a methodology to detect and extract text regions from low resolution natural scene images is presented...
In this paper, we present a robust watermarking method against geometric distortions and several attacks of signal processing. In the proposed watermarking method, image normalization is used to get geometric invariant feature and watermark embedding and detection are carried out in the Discrete Cosine Transform (DCT) domain. Texture based image block classification in DCT domain is also used to get...
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