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2011
R.Willett. “Short and Smooth Sampling Trajectories for Compressed Sensing,” ICASSP 2011.
C.Horn and R. Willett. “Online anomaly detection with expert system feedback in social networks,” ICASSP 2011.
E. Wang, J. Silva, R. Willett, and L. Carin. “Time-Evolving Modeling of Social Networks,” ICASSP 2011.
K. Krishnamurthy, R. Willett, and M. Raginsky. “Spectral Target and Anomaly Detection from Incoherent Projections.” Submitted. Slides.
2010
M. Raginsky, S. Jafarpour, Z. Harmany, R. Marcia, R. Willett, and R. Calderbank. “Performance bounds for expander-based compressed sensing in Poisson noise.” Submitted, 2010.
K. J. Borkowski, S. P. Reynolds, D. A. Green, U. Hwang, R. Petre, K. Krishnamurthy, and R. Willett. “Radioactive Scandium in the Youngest Galactic Supernova Remnant G1.9+0.3,” accepted for The Astrophysical Journal Letters, 2010. arXiv:1006.3552.
M. Raginsky, R. Willett, C. Horn, J. Silva, R. Marcia. “Sequential anomaly detection in the presence of noise and limited feedback.” Submitted, 2010.
Z. Harmany, R. Marcia, and R. Willett. “This is SPIRAL-TAP: Sparse Poisson Intensity Reconstruction ALgorithms – Theory and Practice.” arXiv:1005.4274.
K. Krishnamurthy, M. Raginsky, and R. Willett. “Multiscale photon-limited hyperspectral image reconstruction,” SIAM Journal on Imaging Sciences, Volume 3, Issue 3, pp 619-645, 2010.
M. Raginsky, R. Willett, Z. Harmany, and R. Marcia. “Compressed sensing performance bounds under Poisson noise,” research Transactions on Signal Processing Volume 58, Issue 8, pp 3990-4002, 2010.
R. Marcia, R. Willett, and Z. Harmany. “Compressive Optical Imaging: Architectures and Algorithms”, Optical and Digital Image Processing Fundamentals and Applications, edited by G. Cristobal, P. Schelkens and H. Thienpont, 2010. Accepted for publication.
M. Raginsky, S. Jafarpour, R. Willett and R. Calderbank. “Fishing in Poisson streams: focusing on the whales, ignoring the minnows.” To appear in Proceedings of the Forty-Fourth Conference on Information Sciences and Systems, 2010. arXiv:1003.2836
K. Krishnamurthy, M. Raginsky, and R. Willett. “Hyperspectral target detection from incoherent projections: nonequiprobable targets and inhomogeneous SNR,” research International Conference on Image Processing, 2010.
Z. Harmany, D. Thompson, R. Willett, and R. Marcia. “Gradient projection for linearly constrained convex optimization in sparse signal recovery,” research International Conference on Image Processing, 2010.
R. Willett, Z. Harmany, and R. Marcia. “Poisson Image Reconstruction with Total Variation Regularization,” research International Conference on Image Processing, 2010.
Z. Harmany, R. Marcia, and R. Willett. “Sparsity-regularized photon-limited imaging,” International Symposium on Biomedical Imaging (ISBI), 2010.
K. Krishnamurthy, M. Raginsky, and R. Willett. “Hyperspectral target detection from incoherent projections,” 35th International Conference on Acoustics, Speech, and Signal Processing (ICASSP), 2010.
2009
S. Jafarpour, R. Willett, M. Raginsky and R. Calderbank. “Performance Bounds for Expander-Based Compressed Sensing in the Presence of Poisson Noise,” Forty-Third Asilomar Conference on Signals, Systems and Computers, 2009. Winner of best student paper award.
Z. Harmany, R. Marcia and R. Willett. “Sparse Poisson Intensity Reconstruction Algorithms,” Proc. research Workshop on Statistical Signal Processing, 2009.
M. Raginsky and R. Willett. “Sequential anomaly detection in the presence of noise and limited feedback,” Duke University Technical Report ECE-2009-01.
G.Ybarra, L. M. Collins, L. G. Huettel, H. Z. Massoud, J. Board, M. Brooke, N. Jokerst, R. Roy Choudhury, M. R. Gustafson, R. M. Willett and K. Coonley. “Integrating sensing and processing in an electrical and computer engineering curriculum,” Frontiers in Education Conference, 2009.
H.Jared Doot, Kevin Eliceiri, Robert Nowak and Rebecca Willett. “Image Reconstruction of Multiphoton Microscopy Data”, research International Symposium on Biomedical Imaging, 2009.
Clayton Scott, Gowtham Bellala, and Rebecca Willett. “The False Discovery Rate for Statistical Pattern Recognition,” Electronic Journal of Statistics, vol. 3, pp 651-677, 2009.
Rebecca Willett and Maxim Raginsky. “Performance bounds on compressed sensing with Poisson noise,” research International Symposium on Information Theory, 2009.
Maxim Raginsky, Roummel Marcia, Jorge Silva and Rebecca Willett. “Sequential probability assignment via online convex programming using exponential families,” research International Symposium on Information Theory, 2009
Roummel Marcia, Zachary Harmany, and Rebecca Willett. “Compressive Coded Aperture Imaging,” SPIE Electronic Imaging, 2009.
Jorge Silva and Rebecca Willett. “Hypergraph-based detection of anomalous high-dimensional co-occurrences ,” research Transactions on Pattern Analysis and Machine Intelligence, vol 31, no. 3, pp 563-569, 2009. Slides here.
2008
Maxim Raginsky, Svetlana Lazebnik, Rebecca Willett, and Jorge Silva. “Near-Minimax Recursive Density Estimation on the Binary Hypercube,” NIPS 2008. Slides here.
Roummel Marcia, Changsoon Kim, Jungsang Kim, David Brady, and Rebecca Willett. “Superimposed video disambiguation for increased field of view”, Optics Express, vol 16, no. 31, 16352-16363.
Scott McCain, Rebecca Willett, and David Brady. “Multi-excitation Raman spectroscopy technique for fluorescence rejection”, Optics Express, vol 16, no. 15, pp 10975-10991.
Zachary Harmany, Rebecca Willett, Aarti Singh, and Robert Nowak. “Controlling the error in fMRI: Hypothesis testing or set estimation?”, research International Symposium on Biomedical Imaging — ISBI 2008.
Roummel Marcia and Rebecca Willett. “Compressive Coded Aperture Video Reconstruction”, European Signal Processing Conference — EUSIPCO 2008.
Jorge Silva and Rebecca Willett. “Detection of anomalous meetings in a social network,” Proc. Conference on Information Sciences and Systems — CISS 2008. Slides here.
Roummel Marcia and Rebecca Willett. “Compressive Coded Aperture Superresolution Image Reconstruction,” Proc. research Int. Conf. Acoust., Speech, Signal Processing — ICASSP 2008. Poster here.
Mohan Shankar, Rebecca Willett, Nikos Pitsianis, Timothy Schulz, Robert Gibbons, Robert Te Kolste, J. Carriere, C. Chen, D. Prather, David Brady. “Thin infrared imaging systems through multi-channel sampling,” Applied Optics, vol. 47, no. 10, pp. B1-B10, 2008.
Ashwin Wagadarikar, Renu John, Rebecca Willett, and David Brady, “Single disperser design for coded aperture snapshot spectral imaging,” Applied Optics, vol. 47, no. 10, pp. B44-B51, 2008.

2007
Rebecca Willett and Robert Nowak. “Minimax Optimal Level Set Estimation”, research Transactions on Image Processing, vol. 16, no. 12, pp. 2965-2979, 2007.
Rebecca Willett and Robert Nowak, “Multiscale Poisson Intensity and Density Estimation” research Transactions on Information Theory, vol. 53, no. 9, pp. 3171-3187, 2007.
Clayton Scott, Gowtham Bellala, and Rebecca Willett. “Generalization error analysis for FDR controlled classification,” research Statistical Signal Processing Workshop (SSP), 2007.
Kalyani Krishnamurthy and Rebecca Willett. “Multiscale reconstruction for photon-limited hyperspectral data,” research Statistical Signal Processing Workshop (SSP), 2007.
Michael Gehm, Renu John, David Brady, Rebecca Willett, and Timothy Schultz. ” Single-shot compressive spectral imaging with a dual-disperser architecture,” Optics Express, Vol. 15, No. 21, pp. 14013-14027, 2007.
Rebecca Willett. “Multiscale intensity estimation for multi-photon microscopy,” ISBI 2007.
Rebecca Willett, Michael Gehm, and David Brady. “Multiscale reconstruction for computational spectral imaging,” SPIE Electronic Imaging 2007, Computational Imaging V.
Rebecca Willett. “Multiscale intensity estimation for marked Poisson processes,” ICASSP 2007.
Rebecca Willett. “Multiscale reconstruction for photon-limited shifted excitation Raman spectroscopy,” ICASSP 2007.

2006
Rebecca Willett. “Multiscale Analysis of Photon-Limited Astronomical Images,” Statistical Challenges in Modern Astronomy (SCMA) IV. Additional images available here.
Mohan Shankar, Rebecca Willett, Nikos Pitsianis, Robert Te Kolste, C. Chen, Robert Gibbons, and David Brady. “Ultra-thin Multiple-channel LWIR Imaging Systems,” SPIE Optics and Photonics 2006.
Paul Barford, Robert Nowak, Rebecca Willett, and Vinod Yegneswaran. “Toward a Model for Sources of Internet Background Radiation” in Proceedings of the Passive and Active Measurement Conference (PAM ’06).

2005
“Faster Rates in Regression via Active Learning” with R. Castro and R. Nowak, in NIPS 2005.
“Faster Rates in Regression via Active Learning” with R. Castro and R. Nowak, University of Wisconsin Technical Report ECE-05-3.
“Level Set Estimation in Medical Imaging” with R. Nowak, SSP 2005.
“Minimax Optimal Level Set Estimation” with R. Nowak, in Wavelets XI at the SPIE Annual Meeting.
“Multiresolution Methods for Recovering Signals and Sets from Noisy Observations” Ph.D. Thesis, Rice University.
“Level Set Estimation via Trees” with R. Nowak, ICASSP 2005.





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