Prasenjit Ghosh

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Effective segmentation of offline handwritten word images of uncon-strained handwritten Bangla script is a challenging problem in Optical Character Recognition (OCR) application. Presence of a continuous horizontal line called 'Matra' is an important feature of this script. However, in unconstrained cursive handwriting, Matra can be wavy or discontinuous,(More)
Electronic charge transfer plays an important role in novel nanostruc-tured photovoltaic materials. Standard Density Functional Theory (DFT) as well as Time Dependent DFT severly underestimate the excitation energies related to such transitions[1, 2, 3, 4, 5]. For the paradigmatic case of a donor-acceptor dyad formed by a zinc-porphyrin donor and a C 70(More)
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