Prof. Ana Doblas Profile

Prof. Ana Doblas

Assistant Professor at Univ. of Massachusetts Dartmouth

SPIE Involvement:

Author

Publications (33)

Proceedings Article | 18 June 2024 Presentation + Paper

Computing the volumetric Mueller matrix with in-line holography

Maria Lopera, Maciej Trusiak, Ana Doblas, Yunfeng Nie, Heidi Ottevaere, Carlos Trujillo

Proceedings Volume 12996, 129960C (2024) https://doi.org/10.1117/12.3017065

KEYWORDS: Mueller matrices, Polarization, Polarimetry, Holography, Microscopy, 3D acquisition

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Proceedings Article | 7 June 2024 Presentation + Paper

Overview of computational advances in quantitative phase imaging using digital holographic microscopy

A. Doblas, B. Bogue-Jimenez, S. Obando-Vasquez, R. Castañeda, C. Trujillo

Proceedings Volume 13041, 130410B (2024) https://doi.org/10.1117/12.3011999

KEYWORDS: Holograms, Digital holography, Wavefronts, Phase reconstruction, Reconstruction algorithms, Picosecond phenomena, Phase shifts, 3D image reconstruction, Imaging systems, Image restoration

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Proceedings Article | 13 March 2024 Presentation

Overview of learning-based models to enhance the imaging infrastructure

Ana Doblas, Carlos Trujillo

Proceedings Volume PC12903, PC129030C (2024) https://doi.org/10.1117/12.3000095

KEYWORDS: Biological imaging, Systems modeling, Machine learning, Gallium nitride, 3D image reconstruction, Phase imaging, Imaging systems, Microscopy, Holograms, Digital holography

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Proceedings Article | 13 March 2024 Presentation + Paper

Diatom classification via deep learning using raw holograms captured by a lenless holographic system

B. Bogue-Jimenez, R. Castañeda, C. Trujillo, A. Doblas

Proceedings Volume 12903, 129030H (2024) https://doi.org/10.1117/12.3001568

KEYWORDS: Education and training, Data modeling, Holography, Holograms, Image restoration, Digital holography, Deep learning, Computer simulations, Microscopy, Environmental monitoring

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Proceedings Article | 16 May 2023 Presentation + Paper

Super-resolution in confocal microscopy using generative adversarial networks with paired and unpaired data

S. Patra, C. Trujillo, A. Doblas

Proceedings Volume 12385, 123850A (2023) https://doi.org/10.1117/12.2652629

KEYWORDS: Confocal microscopy, Signal to noise ratio, Data modeling, Point spread functions, Education and training, Microscopes, Performance modeling, Spatial resolution, Light sources and illumination, Super resolution

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Proceedings Article | 16 March 2023 Presentation + Paper

Overview of the automatic reconstruction method for quantitative phase imaging using a digital holographic microscope operating in non-telecentric regime

Brian Bogue-Jimenez, C. Trujillo, A. Doblas

Proceedings Volume 12389, 123890B (2023) https://doi.org/10.1117/12.2651944

KEYWORDS: Holograms, Spherical lenses, Wavefronts, Digital holography, 3D image reconstruction, Phase reconstruction, Imaging systems, Phase imaging, Holography, Sensors

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Proceedings Article | 16 March 2023 Presentation + Paper

Concurrent execution of phase compensation and automatic focusing procedures for telecentric off-axis digital holographic microscopy

R. Castañeda, C. Trujillo, A. Doblas

Proceedings Volume 12389, 123890A (2023) https://doi.org/10.1117/12.2652631

KEYWORDS: Holograms, Digital holography, 3D image reconstruction, Phase reconstruction, Biological samples, Image restoration, Image sharpness, Wavefronts, Optical simulations, Red blood cells, Optical aberrations

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Proceedings Article | 8 June 2022 Presentation

Exploring noninvasive solutions for continuous glucose monitoring

Brian Bogue-Jimenez, Douglas Powell, Xiaolei Huang, Ana Doblas

Proceedings Volume PC12123, PC1212307 (2022) https://doi.org/10.1117/12.2619056

KEYWORDS: Glucose, Sensors, Blood, Medicine, Skin, Machine learning

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Proceedings Article | 3 June 2022 Presentation + Paper

Turning a commercial bright-field microscope into a precise polarization-sensitive imaging device

S. Obando-Vasquez, C. Trujillo, A. Doblas

Proceedings Volume 12112, 121120E (2022) https://doi.org/10.1117/12.2619052

KEYWORDS: Polarization, Microscopes, Polarimetry, Biological research, Microscopy, Linear polarizers

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Proceedings Article | 30 May 2022 Presentation

Learning-based free-of-distortion phase imaging from raw holograms in digital holographic microscopy

Raul Castaneda, Carlos Trujillo, Ana Doblas

Proceedings Volume PC12097, PC1209705 (2022) https://doi.org/10.1117/12.2619050

KEYWORDS: Digital holography, Holograms, Phase imaging, Microscopy, Holography, Image processing, Gallium nitride, 3D image reconstruction, Video, Translucency

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Proceedings Article | 27 May 2022 Presentation + Paper

Marker-less motion capture system using OpenPose

B. Feng, D. Powell, A. Doblas

Proceedings Volume 12101, 121010B (2022) https://doi.org/10.1117/12.2619059

KEYWORDS: Cameras, Gait analysis, Imaging systems, Error analysis, Algorithm development, Detection and tracking algorithms, Video, Motion analysis, Linear filtering, Data modeling

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SPIE Journal Paper | 23 December 2021 Open Access

Speckle noise reduction in coherent imaging systems via hybrid median–mean filter

Raul Castaneda, Jorge Garcia-Sucerquia, Ana Doblas

OE, Vol. 60, Issue 12, 123107, (December 2021) https://doi.org/10.1117/12.10.1117/1.OE.60.12.123107

KEYWORDS: Speckle, Electronic filtering, Digital filtering, Image filtering, Denoising, Optical filters, Photography, Imaging systems, Coherence imaging, Digital holography

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SPIE Journal Paper | 4 August 2020 Open Access

Advantages of Fresnel biprism-based digital holographic microscopy in quantitative phase imaging

Charity Hayes-Rounds, Brian Bogue-Jimenez, Jorge Ivan Garcia-Sucerquia, Omar Skalli, Ana Doblas

JBO, Vol. 25, Issue 08, 086501, (August 2020) https://doi.org/10.1117/12.10.1117/1.JBO.25.8.086501

KEYWORDS: Digital holography, Picosecond phenomena, Imaging systems, Microscopy, Holography, Microscopes, Polarization, Spatial resolution, Phase imaging

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Proceedings Article | 27 April 2020 Paper

Reduction in data acquisition for resolution improvement in structured illumination digital holographic microscopy

R. Castaneda, T. O'Connor, Ana Doblas, B. Javidi

Proceedings Volume 11402, 114020R (2020) https://doi.org/10.1117/12.2555091

KEYWORDS: Digital holography, Imaging systems, Holograms, Fourier transforms, Stars, Data acquisition, Holography, Microscopy, Spatial frequencies, Image resolution

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Proceedings Article | 22 April 2020 Presentation

Polarization-sensitive digital holographic microscopy using a Fresnel biprism (Conference Presentation)

Charity Hayes-Rounds, Brian Bogue-Jimenez, Omar Skalli, Jorge Garcia-Sucerquia, Ana Doblas

Proceedings Volume 11402, 114020L (2020) https://doi.org/10.1117/12.2555106

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Proceedings Article | 22 April 2020 Presentation

Blind phase-shifting digital holographic microscopy using an iterative approach (Conference Presentation)

Ana Doblas, Aaron Robinson, Carlos Buitrago-Duque, Jorge Garcia-Sucerquia

Proceedings Volume 11402, 114020D (2020) https://doi.org/10.1117/12.2555093

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Proceedings Article | 14 May 2019 Paper

Digital holographic microscopy as a screening technology for diabetes

Ana Doblas, Jorge Garcia-Sucerquia, Genaro Saavedra, Manuel Martinez-Corral

Proceedings Volume 10997, 109970K (2019) https://doi.org/10.1117/12.2523416

KEYWORDS: Phase measurement, Digital holography, Blood, Holography, Microscopy, Holograms, Imaging systems

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Proceedings Article | 23 February 2018 Paper

Evaluation of the use of wavefront encoding to reduce depth-induced aberration in structured illumination microscopy

Nurmohammed Patwary, Jorge Sola-Pikabea, Ana Doblas, Genaro Saavedra, Manuel Martínez-Corral, Chrysanthe Preza

Proceedings Volume 10499, 104991A (2018) https://doi.org/10.1117/12.2291090

KEYWORDS: Point spread functions, Imaging systems, Modulation, Microscopy, Computer programming, Demodulation, 3D image processing

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Proceedings Article | 23 February 2018 Paper

Preprocessing method to correct illumination pattern in sinusoidal-based structured illumination microscopy

H. Shabani, A. Doblas, G. Saavedra, C. Preza

Proceedings Volume 10499, 104991Z (2018) https://doi.org/10.1117/12.2291013

KEYWORDS: Modulation, Microscopy, Diffraction, Fourier transforms, Linear filtering, 3D image processing, 3D image reconstruction

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Proceedings Article | 23 February 2018 Paper

Tradeoff between insensitivity to depth-induced spherical aberration and resolution of 3D fluorescence imaging due to the use of wavefront encoding with a radially symmetric phase mask

Ana Doblas, Ananya Dutta, Genaro Saavedra, Chrysanthe Preza

Proceedings Volume 10499, 104990F (2018) https://doi.org/10.1117/12.2290528

KEYWORDS: Imaging systems, Point spread functions, 3D image processing, Wavefronts, Image resolution, Computer programming, Monochromatic aberrations, Luminescence, Optical transfer functions, Microscopy

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Proceedings Article | 23 February 2018 Paper

3D structured illumination microscopy using an incoherent illumination system based on a Fresnel biprism

H. Shabani, A. Doblas, G. Saavedra, C. Preza

Proceedings Volume 10499, 1049903 (2018) https://doi.org/10.1117/12.2290821

KEYWORDS: Modulation, 3D image processing, Microscopy, 3D image enhancement, Imaging systems, Resolution enhancement technologies, Computer simulations

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Proceedings Article | 19 April 2017 Presentation

High-sensitivity supercontinuum-based parallel line-field optical coherence tomography with 1 million A-lines/s (Conference Presentation)

Jessica Barrick, Ana Doblas, Patrick Sears, Lawrence Ostrowski, Amy Oldenburg

Proceedings Volume 10053, 100531S (2017) https://doi.org/10.1117/12.2250032

KEYWORDS: Optical scanning systems, Biomedical optics, Optical coherence tomography, Imaging systems, CMOS sensors, Supercontinuum sources, Light, In vitro testing, Tissues, Coherence (optics)

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Proceedings Article | 17 February 2017 Paper

Comparison of two structured illumination techniques based on different 3D illumination patterns

H. Shabani, N. Patwary, A. Doblas, G. Saavedra, C. Preza

Proceedings Volume 10070, 1007013 (2017) https://doi.org/10.1117/12.2253199

KEYWORDS: 3D acquisition, Modulation, 3D modeling, Microscopy, Super resolution, Resolution enhancement technologies, Image restoration, 3D image reconstruction, Optical transfer functions, Imaging systems, 3D image processing, Lawrencium, Filtering (signal processing)

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Proceedings Article | 17 February 2017 Paper

Comparison of 3D structured patterns with tunable frequency for use in structured illumination microscopy

Ana Doblas, Hasti Shabani, Genaro Saavedra, Chrysanthe Preza

Proceedings Volume 10070, 100700H (2017) https://doi.org/10.1117/12.2252109

KEYWORDS: Microscopy, Prisms, Diffraction, Spatial frequencies, Wave propagation interference, Modulation, Visibility, Francium, Microscopes, Fringe analysis

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Proceedings Article | 17 February 2017 Paper

Implementation of an incoherent 3D patterned illumination design in a structured illumination microscope

S. King, C. Taylor, A. Doblas, H. Shabani, N. Patwary, G. Saavedra, C. Preza

Proceedings Volume 10070, 1007004 (2017) https://doi.org/10.1117/12.2252910

KEYWORDS: Microscopy, Microscopes, Imaging systems, Luminescence, Prisms, Structural design, 3D image processing, Prototyping, Spatial frequencies, Numerical simulations, Modulation, Objectives, Fringe analysis, Relays, Super resolution, 3D metrology

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Proceedings Article | 22 May 2015 Paper

Three-dimensional microscopy through liquid-lens axial scanning

Ana Doblas, E. Sánchez-Ortiga, G. Saavedra, J. Sola-Pikabea, M. Martínez-Corral, Po-Yuan Hsieh, Yi-Pai Huang

Proceedings Volume 9495, 949503 (2015) https://doi.org/10.1117/12.2177680

KEYWORDS: Molybdenum, Microscopes, 3D image processing, Microscopy, Imaging systems, Point spread functions, Relays, 3D scanning, Stereoscopy, 3D acquisition

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Proceedings Article | 5 June 2014 Paper

Accurate quantitative phase imaging through telecentric digital holographic microscopy

Ana Doblas, Emilio Sánchez-Ortiga, Manuel Martínez-Corral, Genaro Saavedra, Jorge Garcia-Sucerquia

Proceedings Volume 9117, 911705 (2014) https://doi.org/10.1117/12.2051121

KEYWORDS: Digital holography, Holograms, Spherical lenses, Molybdenum, Imaging systems, Holography, Microscopy, Phase imaging, Microscopes, Phase measurement

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SPIE Journal Paper | 29 April 2014 Open Access

Accurate single-shot quantitative phase imaging of biological specimens with telecentric digital holographic microscopy

Ana Doblas, Emilio Sánchez-Ortiga, Manuel Martínez-Corral, Genaro Saavedra, Jorge Garcia-Sucerquia

JBO, Vol. 19, Issue 04, 046022, (April 2014) https://doi.org/10.1117/12.10.1117/1.JBO.19.4.046022

KEYWORDS: Digital holography, Imaging systems, Holograms, Phase measurement, Phase imaging, Microscopes, Microscopy, Holography, Molybdenum, Head

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Proceedings Article | 12 March 2014 Paper

Investigation of the SQUBIC phase mask design for depth-invariant widefield microscopy point-spread function engineering

Ana Doblas, Sharon King, Nurmohammed Patwary, Genaro Saavedra, Manuel Martínez-Corral, Chrysanthe Preza

Proceedings Volume 8949, 894914 (2014) https://doi.org/10.1117/12.2038610

KEYWORDS: Point spread functions, Microscopy, Imaging systems, Radon, Monochromatic aberrations, 3D image processing, Microscopes, Wavefronts, Computer simulations, Refractive index

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Proceedings Article | 12 March 2014 Paper

Reducing depth induced spherical aberration in 3D widefield fluorescence microscopy by wavefront coding using the SQUBIC phase mask

Nurmohammed Patwary, Ana Doblas, Sharon King, Chrysanthe Preza

Proceedings Volume 8949, 894911 (2014) https://doi.org/10.1117/12.2040191

KEYWORDS: Point spread functions, Simulation of CCA and DLA aggregates, Imaging systems, Expectation maximization algorithms, Wavefronts, Computer simulations, Monochromatic aberrations, Microscopy, Image processing, Objectives

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Proceedings Article | 12 March 2014 Paper

Implementation of PSF engineering in high-resolution 3D microscopy imaging with a LCoS (reflective) SLM

Sharon King, Ana Doblas, Nurmohammed Patwary, Genaro Saavedra, Manuel Martínez-Corral, Chrysanthe Preza

Proceedings Volume 8949, 894913 (2014) https://doi.org/10.1117/12.2040723

KEYWORDS: Point spread functions, Spatial light modulators, Microscopy, Microscopes, Imaging systems, Liquid crystal on silicon, Computer simulations, Confocal microscopy, Cameras, 3D image processing

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Proceedings Article | 18 November 2013 Paper

Curvature phase factor in digital holographic microscopy

Ana Doblas, Emilio Sánchez-Ortiga, Manuel Martínez-Corral, Genaro Saavedra, Pedro Andres, Jorge Garcia-Sucerquia

Proceedings Volume 8785, 87856Q (2013) https://doi.org/10.1117/12.2026176

KEYWORDS: Digital holography, Molybdenum, Imaging systems, Phase measurement, Holography, Microscopy, Holograms, Microscopes, Phase imaging, Fresnel lenses

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Proceedings Article | 5 May 2010 Paper

Novel proposals in widefield 3D microscopy

E. Sanchez-Ortiga, A. Doblas, G. Saavedra, M. Martinez-Corral

Proceedings Volume 7690, 769005 (2010) https://doi.org/10.1117/12.853468

KEYWORDS: Microscopes, Microscopy, Virtual point source, Objectives, Optical transfer functions, 3D image processing, Collimation, Image resolution, Point spread functions, Spherical lenses

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Showing 5 of 33 publications

Conference Committee Involvement (2)

Optics and Photonics for Information Processing XIX

3 August 2025 | San Diego, California, United States

Three-Dimensional Imaging, Visualization, and Display 2020

27 April 2020 | Online Only, California, United States

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