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Browsing by Author "Elbaşi, E."

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    An Application of Data Mining and Knowledge Discovery Process in the Field of Natural Gas Exploration
    (Institute of Electrical and Electronics Engineers Inc., 2014) Acar, M.A.; Tolun, M.R.; Elbaşi, E.
    Natural gas exploration has been shifting significantly in the last decades with the progression of new ingenious technologies. However, such technologies generates large amount of data sets and handling of them create problems such as interpretation of data. To solve such problems Data Mining techniques could be used. This work includes the application procedure of Data Mining and Knowledge Discovery to Natural Gas Well Log data using a set of algorithms and a decent Data Mining tool. And the success of each algorithm in terms of the amount of useful rules is compared.
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    Digital Image Watermarking Method in Multi Level Dwt
    (2008) Aydin, S.; Memiş, M.; Elbaşi, E.
    Watermarking is used for copyright protection using logo, image, stamp and text as a watermark. Recently, especially embedding binary image to color images has been worked alot and gave very promising results. In this work, we used text with small size characters and embed to color image as an image. We used Discrete Wavelet Transform to embed partions of watermark to different frequency bants of cover image in two or more level decomposition, that is very useful in both copyright protection and information hiding. After common attacks we have got very promising results. ©2008 IEEE.