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Picosecond time-resolved fluorescence studies of 8-anilino-1-naphthalenesulfonic acid (A N S) have been carried out in a water-ethanol mixed-solvent system. Combined with quantum yield results, these data provide further insight into the nonradiative processes that can take place in this interesting fluorescence probe molecule. In a mixed solvent, the(More)
An edge classiication and edge attribute estimation scheme is developed , implemented and analyzed based on a tool that is a generalization of wavelet transforms{so called signatures, a term used by Marr in 1976, however using this concept in a wider sense than Marr. Signatures, in this work, are multi-scale representations of local gray-level information,(More)
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