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- Keigo Hirakawa, Patrick J. Wolfe
- IEEE Transactions on Image Processing
- 2008

In digital imaging applications, data are typically obtained via a spatial subsampling procedure implemented as a color filter array - a physical construction whereby only a single color value isâ€¦ (More)

- Patrick J. Wolfe, Simon J. Godsill
- EURASIP J. Adv. Sig. Proc.
- 2003

Audio signal enhancement often involves the application of a time-varying filter, or suppression rule, to the frequency-domain transform of a corrupted signal. Here we address suppression rulesâ€¦ (More)

Short-time spectral attenuation is a common form of audio signal enhancement in which a time-varying filter, or suppression rule, is applied to the frequency-domain transform of a corrupted signal.â€¦ (More)

- Mohamed-Ali Belabbas, Patrick J. Wolfe
- Proceedings of the National Academy of Sciencesâ€¦
- 2009

Spectral methods are of fundamental importance in statistics and machine learning, because they underlie algorithms from classical principal components analysis to more recent approaches that exploitâ€¦ (More)

- Keigo Hirakawa, Patrick J. Wolfe
- 2007 IEEE International Conference on Imageâ€¦
- 2007

In digital imaging applications, data are typically obtained via a spatial subsampling procedure implemented as a color filter array - a physical construction whereby only a single colorâ€¦ (More)

- Benjamin A. Miller, Nadya T. Bliss, Patrick J. Wolfe
- NIPS
- 2010

When working with network datasets, the theoretical framework of detection theory for Euclidean vector spaces no longer applies. Nevertheless, it is desirable to determine the detectability of small,â€¦ (More)

- Patrick J. Wolfe, Simon J. Godsill, Wee-Jing Ng
- 2004

Here we describe novel Bayesian models for time-frequency analysis of nonstationary data. These models are based on the idea of a Gabor regression, in which a time series is represented as aâ€¦ (More)

- Florian Luisier, Thierry Blu, Patrick J. Wolfe
- IEEE Transactions on Image Processing
- 2012

In this paper, we derive an unbiased expression for the expected mean-squared error associated with continuously differentiable estimators of the noncentrality parameter of a chi-square randomâ€¦ (More)

- Mohamed-Ali Belabbas, Patrick J. Wolfe
- Philosophical transactions. Series Aâ€¦
- 2009

In recent years, the spectral analysis of appropriately defined kernel matrices has emerged as a principled way to extract the low-dimensional structure often prevalent in high-dimensional data.â€¦ (More)

- Patrick O. Perry, Patrick J. Wolfe
- ArXiv
- 2010

Network data often take the form of repeated interactions between senders and receivers tabulated over time. A primary question to ask of such data is which traits and behaviors are predictive ofâ€¦ (More)