Dr. Umberto E. Villa
at Univ of Texas at Austin
SPIE Involvement:
Author
Area of Expertise:
Computational imaging , Inverse problems , Photoacoustic tomography , Ultrasound tomography , Virtual imaging trials , Theoretical imaging science
Profile Summary

I define myself as a mathematical engineer and computational scientist. My work focuses on advancing our understanding of physical and biological phenomena, improving the design of engineering systems, and supporting informed decision-making under uncertainty by use of mathematical/statistical modeling and high-performance computing. An important component of my work is the systematic integration of mathematical models and data (e.g., experimental measures and images) using the Bayesian framework. Throughout my career, I have led the development of novel formulations and algorithms for the solution of both forward and inverse problems. I have achieved this by establishing a close working collaboration with some of the leading research experts in the fields of medical imaging, geophysics, engineering, computational sciences, and applied mathematics.
Publications (28)

Proceedings Article | 2 April 2024 Poster + Paper
Zong Fan, Zhimin Wang, Chaojie Zhang, Muzaffer Özbey, Umberto Villa, Yao Hao, Zhongwei Zhang, Xiaowei Wang, Hua Li
Proceedings Volume 12926, 1292630 (2024) https://doi.org/10.1117/12.3006959
KEYWORDS: Education and training, Data modeling, Image classification, Medical imaging, Feature extraction, Performance modeling, Solid state lighting, Classification systems, Network architectures, Design

Proceedings Article | 1 April 2024 Poster + Paper
Evan Scope Crafts, Mark Anastasio, Umberto Villa
Proceedings Volume 12925, 129254A (2024) https://doi.org/10.1117/12.3005856
KEYWORDS: Photoacoustic tomography, Imaging systems, Absorption, Design, Inverse optics, Error analysis

Proceedings Article | 1 April 2024 Presentation + Paper
Luke Lozenski, Hanchen Wang, Brendt Wohlberg, Umberto Villa, Youzuo Lin
Proceedings Volume 12932, 129320I (2024) https://doi.org/10.1117/12.3006948
KEYWORDS: Image restoration, Machine learning, Data corrections, Acoustics, Physics, Computed tomography, Ultrasound tomography

Proceedings Article | 1 April 2024 Poster + Paper
Proceedings Volume 12932, 129321E (2024) https://doi.org/10.1117/12.3006968
KEYWORDS: 3D modeling, 3D image reconstruction, 3D image processing, Data modeling, Transducers, Wave propagation, Image restoration, Data acquisition

SPIE Journal Paper | 20 March 2024 Open Access
JMI, Vol. 11, Issue 02, 026002, (March 2024) https://doi.org/10.1117/12.10.1117/1.JMI.11.2.026002
KEYWORDS: Information operations, Signal detection, Image restoration, Binary data, Imaging systems, Education and training, Biomedical applications, Stochastic processes, Medical image reconstruction, Tomography

Proceedings Article | 12 March 2024 Presentation + Paper
Proceedings Volume 12842, 128420I (2024) https://doi.org/10.1117/12.3005569
KEYWORDS: Imaging systems, Animals, Photoacoustic spectroscopy, Control systems, Spatial resolution, Animal model studies, Robotics, Acquisition tracking and pointing, Automation, Laser safety

Proceedings Article | 12 March 2024 Presentation + Paper
Proceedings Volume 12842, 128420C (2024) https://doi.org/10.1117/12.3008569
KEYWORDS: Image restoration, Skull, Photoacoustic tomography, Elasticity, 3D modeling, Model based design, Acoustics, 3D image reconstruction

Proceedings Article | 12 March 2024 Poster + Paper
Proceedings Volume 12842, 128420U (2024) https://doi.org/10.1117/12.3008778
KEYWORDS: Image restoration, Photoacoustic tomography, Tunable filters, Data modeling, Education and training, Data acquisition, Signal filtering, Linear filtering, Image filtering, 3D modeling

Proceedings Article | 12 March 2024 Presentation + Paper
Proceedings Volume 12842, 128420M (2024) https://doi.org/10.1117/12.3008904
KEYWORDS: Breast, Tumors, Photoacoustic tomography, Arteries, Veins, Computer simulations, Deep learning, Inverse imaging problems, Blood oxygen saturation

SPIE Journal Paper | 19 January 2024 Open Access
JBO, Vol. 29, Issue S1, S11516, (January 2024) https://doi.org/10.1117/12.10.1117/1.JBO.29.S1.S11516
KEYWORDS: Image restoration, Tomography, Photoacoustic tomography, Imaging systems, Transducers, Data acquisition, Biomedical optics, Matrices, Image processing, Video

SPIE Journal Paper | 20 June 2023 Open Access
JBO, Vol. 28, Issue 06, 066002, (June 2023) https://doi.org/10.1117/12.10.1117/1.JBO.28.6.066002
KEYWORDS: Breast, Tissues, Acoustics, Anatomy, Blood, Tissue optics, Blood vessels, Tumors, Stochastic processes, Imaging systems

Proceedings Article | 10 April 2023 Presentation + Paper
Proceedings Volume 12470, 124700K (2023) https://doi.org/10.1117/12.2654406
KEYWORDS: Ultrasound tomography, Breast imaging, 3D image reconstruction, Data acquisition

Proceedings Article | 10 April 2023 Presentation + Paper
Proceedings Volume 12470, 124700M (2023) https://doi.org/10.1117/12.2654564
KEYWORDS: Image restoration, Tomography, Education and training, Medical image reconstruction, Image quality, Ultrasound reflection tomography, Deep learning, Machine learning, Acoustics, Tissues

Proceedings Article | 7 April 2023 Presentation + Paper
Proceedings Volume 12463, 124631I (2023) https://doi.org/10.1117/12.2654260
KEYWORDS: Imaging systems, Matrices, Tomography, Singular value decomposition, Image processing, Radon transform, Mathematical optimization, Machine learning, Linear algebra, Medical image processing, Computational imaging, Medical imaging

Proceedings Article | 7 April 2023 Presentation + Paper
Luke Lozenski, Hanchen Wang, Brendt Wohlberg, Umberto Villa, Youzuo Lin
Proceedings Volume 12463, 124630Q (2023) https://doi.org/10.1117/12.2654442
KEYWORDS: Image restoration, Breast, Ultrasonography, Breast density, Machine learning, Computed tomography, Acoustics, Imaging systems

Proceedings Article | 7 April 2023 Presentation
Proceedings Volume 12463, 124630R (2023) https://doi.org/10.1117/12.2654199
KEYWORDS: Photoacoustic tomography, Tomography, Image restoration, Image analysis, Tissue optics, Biomedical optics, Tissues, Data acquisition, Biological research, Tumors

Proceedings Article | 9 March 2023 Presentation
Proceedings Volume PC12379, PC123790E (2023) https://doi.org/10.1117/12.2650740
KEYWORDS: Skin, Breast, Tissue optics, Tomography, Optoacoustics, Signal to noise ratio, Photoacoustic tomography, Interfaces, Image filtering, Breast imaging

Proceedings Article | 9 March 2023 Presentation + Paper
Proceedings Volume 12379, 123790F (2023) https://doi.org/10.1117/12.2647663
KEYWORDS: Photoacoustic tomography, Tumors, Imaging systems, Acoustics, Matrices, Tomography, 3D image reconstruction, Preclinical imaging, Iterative methods, Inverse imaging problems, Small animal whole body imaging

Proceedings Article | 4 April 2022 Presentation + Paper
Luke Lozenski, Mark Anastasio, Umberto Villa
Proceedings Volume 12031, 120310X (2022) https://doi.org/10.1117/12.2613148
KEYWORDS: Image restoration, Imaging systems, Sensors, Neural networks, Image quality, Photoacoustic tomography, Optimization (mathematics), Data acquisition

Proceedings Article | 4 April 2022 Poster + Presentation + Paper
Proceedings Volume 12031, 1203134 (2022) https://doi.org/10.1117/12.2612941
KEYWORDS: Tomography, Radon transform, Photoacoustic tomography, Data modeling, Acoustics, Linear filtering, Image filtering, Reconstruction algorithms

Proceedings Article | 4 April 2022 Poster + Presentation + Paper
Proceedings Volume 12035, 1203512 (2022) https://doi.org/10.1117/12.2613138
KEYWORDS: Imaging systems, Signal detection, Signal to noise ratio, Data modeling, Stochastic processes, Information operations, Image quality, Image processing, Computed tomography, Targeting Task Performance metric, Ultrasound tomography, Machine learning, Artificial neural networks

Proceedings Article | 4 April 2022 Presentation + Paper
Proceedings Volume 12038, 120380S (2022) https://doi.org/10.1117/12.2613207
KEYWORDS: Transducers, Acoustics, 3D image processing, Systems modeling, 3D image reconstruction, Wave propagation, Imaging systems, Ultrasound tomography

SPIE Journal Paper | 16 March 2022 Open Access
JBO, Vol. 27, Issue 03, 036001, (March 2022) https://doi.org/10.1117/12.10.1117/1.JBO.27.3.036001
KEYWORDS: Breast, Tissue optics, 3D image processing, Signal attenuation, Optoacoustics, Blood, 3D image reconstruction, Blood vessels, Imaging systems, Breast imaging

Proceedings Article | 6 March 2021 Presentation
Proceedings Volume 11642, 116421N (2021) https://doi.org/10.1117/12.2585341

Proceedings Article | 6 March 2021 Presentation
Proceedings Volume 11642, 116421A (2021) https://doi.org/10.1117/12.2585344
KEYWORDS: Acquisition tracking and pointing, Photoacoustic tomography, 3D metrology, Reconstruction algorithms, 3D image reconstruction, Tomography, Tissues, Tissue optics, Temporal resolution, Numerical simulations

Proceedings Article | 15 February 2021 Poster + Presentation + Paper
Proceedings Volume 11595, 115953X (2021) https://doi.org/10.1117/12.2582263
KEYWORDS: Space operations, Reconstruction algorithms, Imaging systems, Magnetic resonance imaging, Linear algebra, Image restoration, Image resolution, Artificial neural networks

Proceedings Article | 15 February 2021 Presentation
Proceedings Volume 11602, 116020V (2021) https://doi.org/10.1117/12.2582260
KEYWORDS: Breast, Ultrasonography, Computed tomography, 3D modeling, Tissues, Reconstruction algorithms, Algorithm development, Acoustics, Wave propagation, Tumors

Proceedings Article | 6 March 2020 Presentation
Proceedings Volume 11240, 112401H (2020) https://doi.org/10.1117/12.2552380

Showing 5 of 28 publications
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