The paper establishes continuity and stability results for adaptive focused STFTs and proposes regularized Renyi entropy focus functions with continuity guarantees, though proofs are only sketched.
Entropy- based algorithms for best basis selection
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Stability estimates for adaptive focused time-frequency transforms
The paper establishes continuity and stability results for adaptive focused STFTs and proposes regularized Renyi entropy focus functions with continuity guarantees, though proofs are only sketched.