J. L. Romero (Nuhag\, Vienne): Frames adapted to a time-frequency cover

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Date(s) - 13/06/2013
14 h 00 min - 15 h 00 min

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Frames adapted to a time-frequency cover\n\nBy Jose Luis Romero \, NuHag\, Vienna\n\nGiven a possibly irregular cover of the time-frequency\nplane\, we construct dictionaries of atoms whose time-frequency profile\n(spectrogram) follows the given cover and show that these dictionaries\nprovide frame expansions. The aim of this construction is to have a\nframework for time-frequency analysis\, where the balance between time\nand frequency resolution is allowed to vary along the time-frequency\nplane..

Olivier CHABROL
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