signal processing, image analysis, computational modeling andré khalil dept of mathematics dept of...

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Signal Processing, Image Analysis, Computational Modeling

André Khalil Dept of MathematicsDept of PhysicsGraduate School of Biomedical SciencesInstitute for Molecular BiophysicsUniversity of Maine, Orono, METhe Jackson Laboratory, Bar Harbor, MEhttp://germain.its.maine.edu/~khalil/

Signal Processing, Image Analysis, Computational Modeling

Multifractal Analysis of Actigraphy Signals

Wavelet Transform Modulus Maxima (WTMM) Method:

Stationary or non-stationary signals

Fractal or multifractal signals

H = 0.3 anti-correlated

H = 0.5 uncorrelated

H = 0.7 long-range correlated

H = 0.9 long-range correlated

Multifractal Analysis of Actigraphy Signals

Wavelet Transform Modulus Maxima (WTMM) Method:

Stationary or non-stationary signals

Fractal or multifractal signals

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