N. V. Patil

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Text categorization is the task of automatically sorting a set of documents into categories from a pre-defined set. This means it assigns predefines categories to free-text documents. In this paper we are proposing a unique two stage feature selection method for text categorization by using information gain, principle component analysis and genetic(More)
––The process of encryption and message authentication code is conventionally considered as orthogonal security mechanism. The objective of message security mechanism is to validate data authentication, whereas encryption is used to deform the message to achieve data confidentiality. The digital signature and watermarking methods are used for image(More)
PURPOSE This study was performed to evaluate the uniqueness and reliability of the frontal sinuses by comparing various patterns of frontal sinus as observed on Waters' radiographs for individual identification. MATERIALS AND METHODS Three Waters' radiographs of 100 individuals, taken on day one, after 6-8 months, and one radiograph with a slight(More)
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