Browsing by Author "Josan, G."

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    Comparative Analysis of Salt and Pepper Removal Techniques for Binary Images
    (Springer, 2020) Rani, U; Kaur, A; Josan, G.
    Binarization is the most important step in the OCR system that converts the gray level or colored images into bi-level form. In the case of degraded images, results after binarization mostly contain noises. Salt and pepper noise of different sizes is the most prevalent noise in binary images. For the better results of OCR process, it is necessary to denoise image before proceeding to the next stage. This paper conducts experiments with different existing salt and pepper noise removal methods such as median filter-based techniques and kFill algorithm-based techniques for binary document images. The statistical measures, namely, PSNR, SSIM, and EPI are used to evaluate the performance. � 2020, Springer Nature Singapore Pte Ltd.