Prof. Carol J. Cogswell Profile

Prof. Carol J. Cogswell

at Univ of Colorado Boulder

SPIE Involvement:

Track Chair | Author | Editor

Publications (29)

Proceedings Article | 5 March 2021 Presentation

Limitations of Fourier ring correlation as an image resolution metric

Erik Johnson, Stephen Becker, Carol Cogswell, Jian Xing, Simeng Chen

Proceedings Volume 11649, 1164909 (2021) https://doi.org/10.1117/12.2585852

KEYWORDS: Image resolution, Microscopy, Luminescence, Spatial resolution, Super resolution, Stimulated emission depletion microscopy, Point spread functions, Image processing, Image denoising, Image analysis

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SPIE Journal Paper | 21 May 2020 Open Access

Analyzing the super-resolution characteristics of focused-spot illumination approaches

Jiun-Yann Yu, Venkatalakshmi Narumanchi, Simeng Chen, Jian Xing, Stephen Becker, Carol Cogswell

JBO, Vol. 25, Issue 05, 056501, (May 2020) https://doi.org/10.1117/12.10.1117/1.JBO.25.5.056501

KEYWORDS: Deconvolution, Point spread functions, Image resolution, Super resolution, Signal to noise ratio, Resolution enhancement technologies, Visibility, Confocal microscopy, Image enhancement, Optical transfer functions

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Proceedings Article | 9 March 2020 Presentation

Laser scanning three-dimensional super-resolution microscopy using non-linear optimization (Conference Presentation)

Simeng Chen, Jian Xing, Jiun-Yann Yu, James Folberth, Stephen Becker, Carol Cogswell

Proceedings Volume 11245, 1124507 (2020) https://doi.org/10.1117/12.2566686

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Proceedings Article | 17 February 2020 Presentation + Paper

Computational super-resolution microscopy: leveraging noise model, regularization and sparsity to achieve highest resolution

Jian Xing, Simeng Chen, Stephen Becker, Jiun-Yann Yu, Carol Cogswell

Proceedings Volume 11245, 112450O (2020) https://doi.org/10.1117/12.2551542

KEYWORDS: Super resolution, Point spread functions, Microscopes, Performance modeling, Super resolution microscopy, Image processing, Microscopy, Signal to noise ratio, Image acquisition, Biomedical optics and medical imaging, Image processing algorithms and systems, Digital image processing, Optimization (mathematics)

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Proceedings Article | 14 March 2018 Presentation

Achieving super-resolution fluorescence imaging with focused spot illumination and non-negative inversions (Conference Presentation)

Jiun-Yann Yu, Stephen Becker, James Folberth, Bruce Wallin, Simeng Chen, V Narumanchi, Jian Xing, Carol Cogswell

Proceedings Volume 10499, 1049907 (2018) https://doi.org/10.1117/12.2306354

KEYWORDS: Luminescence, Super resolution, Resolution enhancement technologies, Microscopy

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Proceedings Article | 24 February 2017 Paper

Coherent light 3D materials microscopy without phase retrieval

Jian Xing, Jiun-Yann Yu, Simeng Chen, Carol Cogswell

Proceedings Volume 10070, 100701N (2017) https://doi.org/10.1117/12.2272800

KEYWORDS: Phase retrieval, Microscopy, Point spread functions, Super resolution, Illumination engineering, Materials analysis, Image processing, 3D image processing, Inspection, 3D acquisition, Numerical simulations, Reflectivity

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Proceedings Article | 22 February 2013 Paper

A new expanded point information content design approach for 3D live-cell microscopy at video rates

Ramzi Zahreddine, Robert Cormack, Carol Cogswell

Proceedings Volume 8589, 858902 (2013) https://doi.org/10.1117/12.2006493

KEYWORDS: Point spread functions, Microscopes, Microscopy, Focus stacking, 3D image processing, Objectives, Video microscopy, Image processing, Luminescence, Spindles

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Proceedings Article | 15 March 2012 Paper

Real-time quantitative differential interference contrast (DIC) microscopy implemented via novel liquid crystal prisms

Ramzi Zahreddine, Robert Cormack, Hugh Masterson, Sharon King, Carol Cogswell

Proceedings Volume 8227, 822710 (2012) https://doi.org/10.1117/12.909484

KEYWORDS: Prisms, Microscopes, Liquid crystals, Digital image correlation, LCDs, Microscopy, Phase shifting, Imaging systems, CCD cameras, Image acquisition

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Proceedings Article | 11 February 2012 Paper

Simultaneous quantitative depth mapping and extended depth of field for 4D microscopy through PSF engineering

Ramzi Zahreddine, Robert Cormack, Carol Cogswell

Proceedings Volume 8227, 822705 (2012) https://doi.org/10.1117/12.909273

KEYWORDS: Point spread functions, Image processing, Focus stacking, Microscopes, Microscopy, Ranging, Nonlinear filtering, Objectives, Image filtering, Deconvolution

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Proceedings Article | 23 February 2011 Paper

Reducing noise in extended depth of field microscope images by optical manipulation of the point spread function

Ramzi Zahreddine, Robert Cormack, Carol Cogswell

Proceedings Volume 7904, 79041E (2011) https://doi.org/10.1117/12.881296

KEYWORDS: Point spread functions, Nonlinear filtering, Microscopes, Focus stacking, Microscopy, Adaptive optics, Image filtering, Linear filtering, Signal to noise ratio, Image processing

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Proceedings Article | 25 February 2010 Paper

Real-time, extended depth DIC microscopy

Ingeborg Beckers, Robert Cormack, Carol Cogswell

Proceedings Volume 7570, 757013 (2010) https://doi.org/10.1117/12.848972

KEYWORDS: Microscopy, Signal to noise ratio, Digital image correlation, Image processing, Microscopes, Spatial resolution, Wave plates, Digital image processing, Image filtering, Linear filtering

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SPIE Journal Paper | 1 March 2008 Open Access

Quantitative phase microscopy through differential interference imaging

Sharon King, Ariel Libertun, Rafael Piestun, Carol Cogswell, Chrysanthe Preza

JBO, Vol. 13, Issue 02, 024020, (March 2008) https://doi.org/10.1117/12.10.1117/1.2907328

KEYWORDS: Digital image correlation, Microscopy, Computer simulations, Phase shifts, Phase shifting, Microscopes, Signal to noise ratio, Imaging systems, Image processing, Phase imaging

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Proceedings Article | 12 February 2008 Paper

QSIP: phase imaging made possible in a bright field microscope

Sri Rama Prasanna Pavani, Ariel Libertun, Sharon King, Carol Cogswell

Proceedings Volume 6861, 686105 (2008) https://doi.org/10.1117/12.762131

KEYWORDS: Microscopes, Optimization (mathematics), Phase imaging, Phase shift keying, Microscopy, Sodium, Sensors, Error analysis, Spatial resolution, Wavefront sensors

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Proceedings Article | 14 February 2007 Paper

Calibration of a phase-shifting DIC microscope for quantitative phase imaging

Sharon King, Ariel Libertun, Chrysanthe Preza, Carol Cogswell

Proceedings Volume 6443, 64430M (2007) https://doi.org/10.1117/12.725061

KEYWORDS: Digital image correlation, Calibration, Data modeling, Computer simulations, Microscopes, Error analysis, Phase imaging, Phase shifts, Phase shift keying, Cements

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Proceedings Article | 23 February 2006 Paper

Algorithms for extracting true phase from rotationally-diverse and phase-shifted DIC images

Chrysanthe Preza, Sharon King, Carol Cogswell

Proceedings Volume 6090, 60900E (2006) https://doi.org/10.1117/12.661550

KEYWORDS: Digital image correlation, Phase shifting, Point spread functions, Image analysis, Deconvolution, Geometrical optics, Microscopy, Microscopes, Fourier transforms, Data modeling

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Proceedings Article | 13 July 2004 Paper

A phase-shifting DIC technique for measuring 3D phase objects: experimental verification

Sharon King, Carol Cogswell

Proceedings Volume 5324, (2004) https://doi.org/10.1117/12.533877

KEYWORDS: Digital image correlation, Gold, Phase shifts, Microscopy, Phase measurement, Cladding, 3D image processing, Phase imaging, Image processing, Profilometers

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Proceedings Article | 6 May 1999 Paper

Quantitative 2D microscopic flow velocity determination using a novel confocal laser Doppler microscope

Paul Cronin, Carol Cogswell

Proceedings Volume 3605, (1999) https://doi.org/10.1117/12.347555

KEYWORDS: Doppler effect, Particles, Confocal microscopy, Microscopes, Light scattering, Scattering, Sensors, Microscopy, Velocity measurements, Laser scattering

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Proceedings Article | 6 May 1999 Paper

Feature extraction and 3D reconstruction of Nomarski DIC microscope images using local energy and neural net techniques

Matthew Kyan, Ling Guan, Matthew Arnison, Carol Cogswell

Proceedings Volume 3605, (1999) https://doi.org/10.1117/12.347582

KEYWORDS: Image segmentation, Neurons, 3D image processing, Digital image correlation, Feature extraction, Confocal microscopy, Wavelets, Neural networks, Spatial frequencies, Volume visualization

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Proceedings Article | 9 June 1998 Paper

Transmission confocal microscopy: making it a reality

Matthew Arnison, Pal Fekete, Marcos Serrano, Phuong Nguyen, Raniero Romagnoli, Ling Guan, John O'Byrne, Carol Cogswell

Proceedings Volume 3261, (1998) https://doi.org/10.1117/12.310536

KEYWORDS: Confocal microscopy, 3D image processing, Image transmission, Wavefronts, Neural networks, Image segmentation, Visualization, Digital image correlation, Microscopes, Sensors

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Proceedings Article | 10 April 1997 Paper

Quantitative DIC microscopy using a geometric phase shifter

Carol Cogswell, Nicholas Smith, Kieran Larkin, Parameswaran Hariharan

Proceedings Volume 2984, (1997) https://doi.org/10.1117/12.271252

KEYWORDS: Digital image correlation, Phase shifts, Image processing, Phase measurement, Microscopes, Microscopy, Polarization, Prisms, Refractive index, Phase shifting

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Proceedings Article | 10 April 1997 Paper

Comparison of 3D microscopy methods by imaging a well-characterized test object

James McNally, Carol Cogswell, Pal Fekete, Jose-Angel Conchello

Proceedings Volume 2984, (1997) https://doi.org/10.1117/12.271274

KEYWORDS: Confocal microscopy, Microscopes, 3D image processing, Point spread functions, Microscopy, Deconvolution, Luminescence, Cements, Objectives, Absorption

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Proceedings Article | 10 April 1996 Paper

Fluorescence microtomography: multiangle image acquisition and 3D digital reconstruction

Carol Cogswell, Kieran Larkin, Hanno Klemm

Proceedings Volume 2655, (1996) https://doi.org/10.1117/12.237467

KEYWORDS: 3D image processing, 3D image reconstruction, Luminescence, Optical transfer functions, 3D acquisition, Microscopes, Reconstruction algorithms, Spatial frequencies, Tomography, Capillaries

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Proceedings Article | 23 March 1995 Paper

Three-dimensional Fourier analysis methods for digital processing and 3D visualization of confocal transmission images

Carol Cogswell, Kieran Larkin, Matthew Arnison, John O'Byrne

Proceedings Volume 2412, (1995) https://doi.org/10.1117/12.205343

KEYWORDS: 3D image processing, Digital image correlation, Confocal microscopy, Spatial frequencies, Microscopes, Image processing, Visualization, 3D visualizations, Digital signal processing, Fourier transforms

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Proceedings Article | 3 May 1994 Paper

Image formation in video-enhanced and confocal DIC microscopy

Colin Sheppard, Carol Cogswell

Proceedings Volume 1846, (1994) https://doi.org/10.1117/12.171888

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Proceedings Article | 4 April 1994 Paper

High-resolution, multiple optical-mode confocal microscope: I. System design, image acquisition and 3D visualization

Carol Cogswell, Kieran Larkin, John O'Byrne, Matthew Arnison

Proceedings Volume 2184, (1994) https://doi.org/10.1117/12.172105

KEYWORDS: Confocal microscopy, Microscopes, Image transmission, Sensors, Digital image correlation, Image resolution, 3D image processing, Microscopy, Image processing, 3D visualizations

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Proceedings Article | 4 April 1994 Paper

High-resolution, multiple optical mode confocal microscope: II. Theoretical aspects of confocal transmission microscopy

Kieran Larkin, Carol Cogswell, John O'Byrne, Matthew Arnison

Proceedings Volume 2184, (1994) https://doi.org/10.1117/12.172106

KEYWORDS: Confocal microscopy, Microscopy, 3D modeling, Microscopes, Image transmission, Absorbance, 3D image processing, Sensors, Transmittance, Objectives

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Proceedings Article | 26 June 1992 Paper

High-resolution confocal transmission microscope, Part I: system design

Carol Cogswell, John O'Byrne

Proceedings Volume 1660, (1992) https://doi.org/10.1117/12.59581

KEYWORDS: Confocal microscopy, Charge-coupled devices, Microscopes, Sensors, CCD image sensors, Image transmission, Reflection, 3D image processing, Biomedical optics, Microscopy

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Proceedings Article | 26 June 1992 Paper

High-resolution confocal transmission microscope, Part II: determining image position and correcting aberrations

John O'Byrne, Carol Cogswell

Proceedings Volume 1660, (1992) https://doi.org/10.1117/12.59580

KEYWORDS: Confocal microscopy, Charge-coupled devices, Sensors, CCD image sensors, Microscopes, Monochromatic aberrations, Image transmission, 3D image processing, Biomedical optics, Mirrors

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Proceedings Article | 1 July 1991 Paper

Visualization of 3-D phase structure in confocal and conventional microscopy

Carol Cogswell, Colin Sheppard

Proceedings Volume 1450, (1991) https://doi.org/10.1117/12.44306

KEYWORDS: Confocal microscopy, Digital image correlation, Imaging systems, Spatial frequencies, Microscopes, 3D image processing, Visualization, Phase contrast, Microscopy, Biomedical optics

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Showing 5 of 29 publications

Proceedings Volume Editor (26)

SPIE Conference Volume | 30 March 2018

Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XXV

SPIE Conference Volume | 28 April 2017

Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XXIV

SPIE Conference Volume | 5 July 2016

Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XXIII

SPIE Conference Volume | 15 April 2015

Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XXII

SPIE Conference Volume | 24 March 2014

Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XXI

Showing 5 of 26 publications

Conference Committee Involvement (26)

Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XXV

29 January 2018 | San Francisco, California, United States

Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XXIV

30 January 2017 | San Francisco, California, United States

Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XXIII

15 February 2016 | San Francisco, California, United States

Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XXII

10 February 2015 | San Francisco, California, United States

Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XXI

3 February 2014 | San Francisco, California, United States

Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XX

5 February 2013 | San Francisco, California, United States

Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XIX

24 January 2012 | San Francisco, California, United States

Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XVIII

25 January 2011 | San Francisco, California, United States

Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XVII

26 January 2010 | San Francisco, California, United States

Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XVI

27 January 2009 | San Jose, California, United States

Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XV

21 January 2008 | San Jose, California, United States

Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XIV

24 January 2007 | San Jose, California, United States

Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XIII

24 January 2006 | San Jose, California, United States

Three-Dimensional and Multidimensional Microscopy: Image Processing and Acquisition XII

26 January 2005 | San Jose, CA, United States

Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XI

28 January 2004 | San Jose, CA, United States

Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing X

28 January 2003 | San Jose, CA, United States

Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing IX

22 January 2002 | San Jose, CA, United States

Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing VIII

21 January 2001 | San Jose, CA, United States

Three-Dimensional and Multidimensional Microscopy: Image Acquisition Processing VII

23 January 2000 | San Jose, CA, United States

Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing VI

24 January 1999 | San Jose, CA, United States

Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing V

27 January 1998 | San Jose, CA, United States

Three-Dimensional Microscopy: Image Acquisition and Processing IV

12 February 1997 | San Jose, CA, United States

Three-Dimensional Microscopy: Image Acquisition and Processing III

30 January 1996 | San Jose, CA, United States

Three-Dimensional Microscopy: Image Acquisition and Processing II

9 February 1995 | San Jose, CA, United States

Three-Dimensional Microscopy: Image Acquisition and Processing

7 February 1994 | San Jose, CA, United States

Biomedical Image Processing and Three-Dimensional Microscopy

10 February 1992 | San Jose, CA, United States

Showing 5 of 26 Conference Committees

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