Prof. Rebecca M. Willett Profile

Prof. Rebecca M. Willett

Prof. at Univ of Chicago

SPIE Involvement:

Author

Proceedings Article | 4 October 2022 Presentation

Machine learning for inverse problems (Conference Presentation)

Rebecca Willett

Proceedings Volume PC12204, PC1220415 (2022) https://doi.org/10.1117/12.2646734

KEYWORDS: Machine learning, Inverse problems, Data modeling, Systems modeling, Computing systems, Signal processing, Sensors, Physical phenomena, Optimization (mathematics), Medical image reconstruction

Read Abstract +

Proceedings Article | 22 May 2014 Paper

Fixing basis mismatch in compressively sampled photonic link

J. Nichols, F. Bucholtz, C. McLaughlin, A. Oh, R. Willett

Proceedings Volume 9118, 91180N (2014) https://doi.org/10.1117/12.2053739

KEYWORDS: Error analysis, Reconstruction algorithms, Associative arrays, Analytical research, Computer programming, Computer engineering, Process modeling, Chemical elements, Photonics systems, Modulation

Read Abstract +

Proceedings Article | 22 February 2013 Paper

Quantitative segmentation of fluorescence microscopy images of heterogeneous tissue: Approach for tuning algorithm parameters

Jenna Mueller, Zachary Harmany, Jeffrey Mito, Stephanie Kennedy, Yongbaek Kim, Leslie Dodd, Joseph Geradts, David Kirsch, Rebecca Willett, J. Quincy Brown, Nimmi Ramanujam

Proceedings Volume 8587, 85871F (2013) https://doi.org/10.1117/12.2006429

KEYWORDS: Tissues, Image segmentation, Tumors, Microscopy, Luminescence, Medicine, Pathology, Image resolution, Biomedical engineering, Computer engineering

Read Abstract +

Proceedings Article | 5 May 2012 Paper

Coded-aperture Raman imaging for standoff explosive detection

Scott McCain, B. Guenther, David Brady, Kalyani Krishnamurthy, Rebecca Willett

Proceedings Volume 8358, 83580Q (2012) https://doi.org/10.1117/12.919292

KEYWORDS: Raman spectroscopy, Explosives, Spectroscopy, Imaging systems, Reconstruction algorithms, Explosives detection, Imaging spectroscopy, Sensors, Deep ultraviolet, Raman scattering

Read Abstract +

Proceedings Article | 27 September 2011 Paper

Tissue quantification in photon-limited microendoscopy

Zachary Harmany, Jenna Mueller, Qunicy Brown, Nimmi Ramanujam, Rebecca Willett

Proceedings Volume 8138, 81380F (2011) https://doi.org/10.1117/12.892856

KEYWORDS: Tumors, Tissue optics, Photonic microstructures, Tissues, Reconstruction algorithms, Computer simulations, Cancer, Breast cancer, Endoscopy, Fiber optics

Read Abstract +

Proceedings Article | 8 September 2011 Paper

Motion-adaptive compressive coded apertures

Zachary Harmany, Albert Oh, Roummel Marcia, Rebecca Willett

Proceedings Volume 8165, 81651C (2011) https://doi.org/10.1117/12.892726

KEYWORDS: Motion models, Coded apertures, Video, Optical flow, Motion measurement, Fourier transforms, Video compression, Imaging systems, Simulation of CCA and DLA aggregates, Reconstruction algorithms

Read Abstract +

SPIE Journal Paper | 1 July 2011 Open Access

Compressed sensing for practical optical imaging systems: a tutorial

Rebecca Willett, Roummel Marcia, Jonathan Nichols

OE, Vol. 50, Issue 07, 072601, (July 2011) https://doi.org/10.1117/12.10.1117/1.3596602

KEYWORDS: Imaging systems, Compressed sensing, Cameras, Image resolution, Staring arrays, Image compression, Optical imaging, Video, Infrared imaging, Image restoration

Read Abstract +

DOWNLOAD PAPER

Proceedings Article | 4 May 2010 Paper

Compressive coded apertures for high-resolution imaging

Roummel Marcia, Zachary Harmany, Rebecca Willett

Proceedings Volume 7723, 772304 (2010) https://doi.org/10.1117/12.849487

KEYWORDS: Coded apertures, Reconstruction algorithms, Coded aperture imaging, Matrices, Compressed sensing, Image resolution, Wavelets, Staring arrays, Image compression, Fourier transforms

Read Abstract +

Proceedings Article | 27 January 2010 Paper

SPIRAL out of convexity: sparsity-regularized algorithms for photon-limited imaging

Zachary Harmany, Roummel Marcia, Rebecca Willett

Proceedings Volume 7533, 75330R (2010) https://doi.org/10.1117/12.850771

KEYWORDS: Reconstruction algorithms, Tomography, Expectation maximization algorithms, Photons, Inverse problems, Wavelets, Atrial fibrillation, Sensors, Compressed sensing, Image restoration

Read Abstract +

Proceedings Article | 3 February 2009 Paper

Compressive coded aperture imaging

Roummel Marcia, Zachary Harmany, Rebecca Willett

Proceedings Volume 7246, 72460G (2009) https://doi.org/10.1117/12.803795

KEYWORDS: Coded apertures, Video, Simulation of CCA and DLA aggregates, Cameras, Fourier transforms, Staring arrays, Compressed sensing, Distributed interactive simulations, Imaging systems, Video compression

Read Abstract +

Proceedings Article | 6 November 2007 Paper

Single disperser design for compressive, single-snapshot spectral imaging

Ashwin Wagadarikar, Renu John, Rebecca Willett, David Brady

Proceedings Volume 6714, 67140A (2007) https://doi.org/10.1117/12.734058

KEYWORDS: Sensors, Reconstruction algorithms, Imaging spectroscopy, Coded apertures, Charge-coupled devices, Imaging systems, RGB color model, Optical components, Spectroscopy, Compressed sensing

Read Abstract +

Proceedings Article | 28 February 2007 Paper

Multiscale reconstruction for computational spectral imaging

R. Willett, M. Gehm, D. Brady

Proceedings Volume 6498, 64980L (2007) https://doi.org/10.1117/12.715711

KEYWORDS: Imaging systems, Imaging spectroscopy, Spectroscopy, Denoising, Sensors, Compressed sensing, Image analysis, Optical filters, Data analysis, Image processing

Read Abstract +

Proceedings Article | 7 September 2006 Paper

Ultra-thin multiple-channel LWIR imaging systems

M. Shankar, R. Willett, N. Pitsianis, R. Te Kolste, C. Chen, R. Gibbons, D. Brady

Proceedings Volume 6294, 629411 (2006) https://doi.org/10.1117/12.681386

KEYWORDS: Imaging systems, Cameras, Super resolution, Infrared cameras, Image processing, Expectation maximization algorithms, Image resolution, Sensors, Long wavelength infrared, Microlens array

Read Abstract +

Proceedings Article | 21 September 2005 Paper

Minimax optimal level set estimation

Rebecca Willett, Robert Nowak

Proceedings Volume 5914, 59141C (2005) https://doi.org/10.1117/12.617905

KEYWORDS: Error analysis, Wavelets, Denoising, Binary data, Wavelet transforms, Floods, Medical imaging, Pattern recognition, Edge detection, Distance measurement

Read Abstract +

Proceedings Article | 13 November 2003 Paper

Multiscale likelihood analysis and image reconstruction

Rebecca Willett, Robert Nowak

Proceedings Volume 5207, (2003) https://doi.org/10.1117/12.508524

KEYWORDS: Wavelets, Statistical analysis, Error analysis, Image analysis, Denoising, Signal processing, Image restoration, Image denoising, Nuclear medicine, Confocal microscopy

Read Abstract +

Showing 5 of 15 publications

Conference Committee Involvement (1)

Wavelets and Sparsity XVI

10 August 2015 | San Diego, California, United States

Keywords/Phrases

Search In:

Publication Years