CORDIS Project
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This project explores the theory of frame expansions in signal processing, focusing on how to manage redundancy in representations. It aims to enhance time-scale analysis and provide flexible tools for analyzing functions.
A frame expansion is a representation of a general signal (function) as a weighted superimposition of basic building blocks.
Diverse operations on functions can be understood by first considering their action on these basic atoms.
Similarly, several subtle properties of functions (e.g. smoothness, decay, directional regularity) are encoded in the coefficients (weights) involved in the representation.The usefulness of frame expansions, both in theory and applications, comes from the possibility o…
UNIVERSITAT WIEN
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