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Design Of Iteration On Hash Functions And Its Cryptanalysis., Mridul Nandi Dr.
Design Of Iteration On Hash Functions And Its Cryptanalysis., Mridul Nandi Dr.
Doctoral Theses
No abstract provided.
Some New Methodologies For Pattern Recognition Aided By Self-Organizing Maps., Arijit Laha Dr.
Some New Methodologies For Pattern Recognition Aided By Self-Organizing Maps., Arijit Laha Dr.
Doctoral Theses
In this thesis we develop several techniques for performing different pattern recognition tasks. In particular, the pattern recognition tasks considered here are classification and vector quantization. We propose several methods for designing classifiers and address various issues involved in the task. For vector quantization, we develop a method for image compression with superior psychovisual reproduction quality. We also propose a method for fast codebook search in a vector quantizer. We exploit different properties of Self-organizing Map (SOM) network for developing these methods. Along with SOM, we also use fuzzy sets theory and Dempster-Shafer theory of evidence to design classi- fiers …