Search Results - "Olhede, S"

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  1. 1

    The growing ubiquity of algorithms in society: implications, impacts and innovations by Olhede, S. C., Wolfe, P. J.

    “…The growing ubiquity of algorithms in society raises a number of fundamental questions concerning governance of data, transparency of algorithms, legal and…”
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    Journal Article
  2. 2

    Local linear graphon estimation using covariates by Chandna, S, Olhede, S C, Wolfe, P J

    Published in Biometrika (01-09-2022)
    “…Summary We consider local linear estimation of the graphon function, which determines probabilities of pairwise edges between nodes in an unlabelled network…”
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    Journal Article
  3. 3

    The Development of Nociceptive Network Activity in the Somatosensory Cortex of Freely Moving Rat Pups by Chang, P, Fabrizi, L, Olhede, S, Fitzgerald, M

    Published in Cerebral cortex (New York, N.Y. 1991) (01-12-2016)
    “…Cortical perception of noxious stimulation is an essential component of pain experience but it is not known how cortical nociceptive activity emerges during…”
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  4. 4

    Detecting multivariate interactions in spatial point patterns with Gibbs models and variable selection by Rajala, T., Murrell, D. J., Olhede, S. C.

    “…We propose a method for detecting significant interactions in very large multivariate spatial point patterns. This methodology thus develops high dimensional…”
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  5. 5

    A generalized demodulation approach to time-frequency projections for multicomponent signals by Olhede, S, Walden, A.T

    “…In this paper, we introduce a flexible approach for the time-frequency analysis of multicomponent signals involving the use of analytic vectors and…”
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  6. 6

    Testing for Equivalence of Network Distribution Using Subgraph Counts by Maugis, P.-A. G., Olhede, S. C., Priebe, C. E., Wolfe, P. J.

    “…We consider that a network is an observation, and a collection of observed networks forms a sample. In this setting, we provide methods to test whether all…”
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  7. 7

    The Hilbert spectrum via wavelet projections by Olhede, S., Walden, A. T.

    “…Non-stationary signals are increasingly analysed in the time-frequency domain to determine the variation of frequency components with time. It was recently…”
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  8. 8

    Modulated oscillations in many dimensions by Olhede, S. C.

    “…Modulated oscillations are described via their time-varying amplitude and frequency. For multivariate signals, there is structure in the signal beyond this…”
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    Journal Article
  9. 9

    Extracting waves and vortices from Lagrangian trajectories by Lilly, J. M., Scott, R. K., Olhede, S. C.

    Published in Geophysical research letters (01-12-2011)
    “…A method for extracting time‐varying oscillatory motions from time series records is applied to Lagrangian trajectories from a numerical model of eddies…”
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  10. 10

    Generalized Morse wavelets by Olhede, S.C., Walden, A.T.

    Published in IEEE transactions on signal processing (01-11-2002)
    “…This paper examines the class of generalized Morse wavelets, which are eigenfunction wavelets suitable for use in time-varying spectrum estimation via…”
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  11. 11
  12. 12

    Local directional denoising by Olhede, S.C., Walden, A.T.

    Published in IEEE transactions on signal processing (01-12-2005)
    “…Denoising of complex-valued signals involves the relationships between the real and imaginary parts of the signal. The authors introduce the idea of local…”
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  13. 13

    Polarization phase relationships via multiple Morse wavelets. II. Data analysis by Olhede, S., Walden, A. T.

    “…Three examples are provided of the use of multiple generalized Morse wavelets for polarization analysis of three–component recordings where phase relationships…”
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  14. 14
  15. 15

    On probability density functions for complex variables by Olhede, S.C.

    Published in IEEE transactions on information theory (01-03-2006)
    “…Complex random variables arise naturally in many settings and their properties are of general interest. Past work on complex variables has mainly focused on…”
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  16. 16

    The growing ubiquity of algorithms in society: implications, impacts and innovations by Olhede, S. C., Wolfe, P. J.

    “…The growing ubiquity of algorithms in society raises a number of fundamental questions concerning governance of data, transparency of algorithms, legal and…”
    Get full text
    Journal Article
  17. 17

    On the Analytic Wavelet Transform by Lilly, Jonathan M, Olhede, Sofia C

    Published in IEEE transactions on information theory (01-08-2010)
    “…An exact and general expression for the analytic wavelet transform of a real-valued signal is constructed, resolving the time-dependent effects of…”
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    Journal Article
  18. 18

    Higher-Order Properties of Analytic Wavelets by Lilly, J.M., Olhede, S.C.

    Published in IEEE transactions on signal processing (01-01-2009)
    “…The influence of higher-order wavelet properties on the analytic wavelet transform behavior is investigated, and wavelet functions offering advantageous…”
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  19. 19

    Modulated oscillations in many dimensions by Olhede, S. C.

    “…Modulated oscillations are described via their timevarying amplitude and frequency. For multivariate signals, there is structure in the signal beyond this…”
    Get full text
    Journal Article
  20. 20

    Statistical inference for network samples using subgraph counts by Maugis, P-A. G, Priebe, Carey E, Olhede, S. C, Wolfe, P. J

    Published 28-05-2019
    “…We consider that a network is an observation, and a collection of observed networks forms a sample. In this setting, we provide methods to test whether all…”
    Get full text
    Journal Article