Dr. Nicholas Dwork Profile

Dr. Nicholas Dwork

Assistant Professor at

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Publications (5)

SPIE Journal Paper | 26 June 2024

Accelerated parallel magnetic resonance imaging with compressed sensing using structured sparsity

Nicholas Dwork, Jeremy W. Gordon, Erin Englund

JMI, Vol. 11, Issue 03, 033504, (June 2024) https://doi.org/10.1117/12.10.1117/1.JMI.11.3.033504

KEYWORDS: Compressed sensing, Magnetic resonance imaging, Image restoration, Medical image reconstruction, Brain, Model based design, Matrices, Wavelets, Neuroimaging, Data acquisition

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SPIE Journal Paper | 6 December 2022

Utilizing the structure of a redundant dictionary comprised of wavelets and curvelets with compressed sensing

Nicholas Dwork, Peder E. Larson

JEI, Vol. 31, Issue 06, 063043, (December 2022) https://doi.org/10.1117/12.10.1117/1.JEI.31.6.063043

KEYWORDS: Wavelets, Associative arrays, Compressed sensing, Image quality, Wavelet transforms, Magnetic resonance imaging, Reconstruction algorithms, Image restoration, Image analysis, Fourier transforms

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Proceedings Article | 15 February 2021 Poster + Paper

Enhanced PET/MRI reconstruction via dichromatic interpolation of domain-translated zero-dose PET

Abhejit Rajagopal, Nicholas Dwork, Thomas Hope, Peder E. Larson

Proceedings Volume 11595, 115954B (2021) https://doi.org/10.1117/12.2580915

KEYWORDS: Positron emission tomography, Magnetic resonance imaging, Image enhancement, Optimization (mathematics), Inverse problems, Image resolution, Error analysis, Computer simulations, Computer architecture

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Proceedings Article | 2 May 2017 Presentation

Reducing user error in dipstick urinalysis with a low-cost slipping manifold and mobile phone platform (Conference Presentation)

Gennifer Smith, Nicholas Dwork, Saara Khan, Matthew Millet, Kiran Magar, Mehdi Javanmard, Audrey Bowden

Proceedings Volume 10081, 100810J (2017) https://doi.org/10.1117/12.2256593

KEYWORDS: Biological detection systems, Nanosensors, Cell phones, Error analysis, Light sources and illumination, Video processing, Medical diagnostics, Opacity, Data processing, Video

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SPIE Journal Paper | 28 February 2017

Formulation of image fusion as a constrained least squares optimization problem

Nicholas Dwork, Eric Lasry, John Pauly, Jorge Balbás

JMI, Vol. 4, Issue 01, 014003, (February 2017) https://doi.org/10.1117/12.10.1117/1.JMI.4.1.014003

KEYWORDS: Image fusion, Medical imaging, Positron emission tomography, Image quality, Image resolution, Luminescence, Convex optimization, Computed tomography, Data fusion, Optimization (mathematics)

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