Overview

Our work in contemporary digital imaging spans a number of areas, from algorithms for digital consumer cameras to biomedical data analysis.

Sponsorship

Work sponsored by Sony Electronics, Inc., the National Institutes of Health (NIH), and the National Science Foundation (NSF).

Team

PI: Patrick J. Wolfe

Postdoctoral Fellows: Keigo Hirakawa

Publications

K. Hirakawa and P. J. Wolfe. ""Rewiring" Filterbanks for Local Fourier Analysis: Theory and Practice." Submitted for publication, 2009. arXiv:0909.1338

K. Hirakawa and P. J. Wolfe. "Skellam shrinkage: Wavelet-based intensity estimation for inhomogeneous Poisson data." Submitted for publication, 2009. arXiv:0905.3217

K. Hirakawa and P. J. Wolfe, “Efficient multivariate Skellam shrinkage for denoising photon-limited image data: An Empirical Bayes approach,” submitted to the IEEE International Conference on Image Processing (ICIP), February 2009.

K. Hirakawa and P. J. Wolfe, “SkellamShrink: Poisson intensity estimation for vector-valued data,” in Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), 2009.

K. Hirakawa, F. Barqai, and P. J. Wolfe, “Wavelet-based poisson rate estimation using the Skellam distribution,” in Proceedings of the IS&T/SPIE 20th Annual Symposium on Electronic Imaging Science and Technology
Computational Imaging Conference (CIC), 2009.

D. Rudoy, S. G. Yuen, R. D. Howe, and P. J. Wolfe, “Bayesian changepoint analysis with application to atomic force microscopy and soft material indentation,” submitted to the Journal of the Royal Statistical
Society, Series C, 2008.

K. Hirakawa and P. J. Wolfe, “Spatio-spectral sampling and color filter array design for optimal image recovery,” IEEE Transactions on Image Processing, vol. 17, pp. 1876–1890, 2008.

K. Hirakawa and P. J. Wolfe, “Spatio-spectral sampling and color filter array design,” in Single-Sensor Imaging: Methods and Applications for Digital Cameras, R. Lukac, Ed. CRC Press, Boca Raton, 2008, in press.

K. Hirakawa and P. J. Wolfe, “Advancing the digital camera pipeline for mobile multimedia: Key challenges from a signal processing perspective,” in Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing, 2008, pp. 5332–5335, Special Session on Industry Perspectives on Multimedia for Mobile Phones.

K. Hirakawa and P. J. Wolfe, “Second-generation CFA and demosaicking design,” in Proceedings of the IS&T/SPIE 19th Annual Symposium on Electronic Imaging Science and Technology, 2008, vol. 6822, Program on Visual Communications and Image Processing (VSIT).

K. Hirakawa, X.-L. Meng, and P. J. Wolfe, “A framework for wavelet-based analysis and processing of color filter array images with applications to denoising and demosaicing,” in Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing, 2007, vol. 1, pp. 597–600.

B. P. Olding and P. J. Wolfe, “Joint localization and parameter estimation for localized calcium release events in
video microscopy,” in Proceedings of the IEEE International Conference on Image Processing, 2007, vol. 6, pp.
257–260.

K. Hirakawa and P. J. Wolfe, “Fourier domain display color filter array design,” in Proceedings of the IEEE International Conference on Image Processing, 2007, vol. 3, pp. 429–432.

K. Hirakawa and P. J. Wolfe, “Spatio-spectral color filter array design for enhanced image fidelity,” in Proceedings of the IEEE International Conference on Image Processing, 2007, vol. 2, pp. DoCoMo USA Laboratories Innovative Paper Award.
81–84.