2 papers
stat.ME2026
SCOPE Shrinkage: A Unified Framework for Wavelet Denoising
Dixon Vimalajeewa, Vijini Lakmini, Malith Premarathna +2
We introduce Symmetric CDF Oriented Probability Enhanced (SCOPE) shrinkage, a unified family of sign-preserving shrinkage rules constructed from centered cumulative distribution fu…
stat.ML2025
A Noise Resilient Approach for Robust Hurst Exponent Estimation
Malith Premarathna, Fabrizio Ruggeri, Dixon Vimalajeewa
Understanding signal behavior across scales is vital in areas such as natural phenomena analysis and financial modeling. A key property is self-similarity, quantified by the Hurst…