Dr. Tim Nielsen Profile

Dr. Tim Nielsen

at Philips Research

SPIE Involvement:

Author

SPIE Journal Paper | 17 July 2012 Open Access

Estimation of detection limits of a clinical fluorescence optical mammography system for the near-infrared fluorophore IRDye800CW: phantom experiments

Arthur Adams, Willem Mali, Sjoerd Elias, Jurgen Mourik, Paul Pearlman, Marjolein van der Voort, Tim Nielsen

JBO, Vol. 17, Issue 7, 076022, (July 2012) https://doi.org/10.1117/12.10.1117/1.JBO.17.7.076022

KEYWORDS: Luminescence, Breast, Mammography, Imaging systems, Tissue optics, Breast cancer, Tumors, Biomedical optics, Optical fibers, Molecular imaging

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Proceedings Article | 3 March 2012 Paper

Generalized filtered back-projection for digital breast tomosynthesis reconstruction

Klaus Erhard, Michael Grass, Sebastian Hitziger, Armin Iske, Tim Nielsen

Proceedings Volume 8313, 831320 (2012) https://doi.org/10.1117/12.911163

KEYWORDS: Reconstruction algorithms, Digital breast tomosynthesis, Image quality, Sensors, Image filtering, Image quality standards, Breast, Tomography, Signal attenuation, X-rays

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Proceedings Article | 16 March 2011 Paper

A second pass correction method for calcification artifacts in digital breast tomosynthesis

Klaus Erhard, Michael Grass, Tim Nielsen

Proceedings Volume 7961, 796119 (2011) https://doi.org/10.1117/12.877949

KEYWORDS: Breast, Image segmentation, Digital breast tomosynthesis, Tissues, Magnetic resonance imaging, Reconstruction algorithms, Sensors, Tomography, Image quality, Mammography

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SPIE Journal Paper | 1 May 2009 Open Access

Selection of optimal wavelengths for spectral reconstruction in diffuse optical tomography

Bernhard Brendel, Tim Nielsen

JBO, Vol. 14, Issue 03, 034041, (May 2009) https://doi.org/10.1117/12.10.1117/1.3156823

KEYWORDS: Absorption, Chromophores, Scattering, Diffuse optical tomography, Mie scattering, Laser scattering, Tissues, Sensors, Continuous wave operation

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Proceedings Article | 12 February 2009 Paper

Optical mammography: improved sensitivity by combined absorption and fluorescence analysis

Anaïs Leproux, Marjolein van der Voort, Rik Harbers, Wim Verhaegh, Leon Bakker, Tim Nielsen, Bernhard Brendel, Martin van der Mark

Proceedings Volume 7174, 71740V (2009) https://doi.org/10.1117/12.808190

KEYWORDS: Luminescence, Absorption, Breast, Mammography, Tissue optics, Field emission displays, 3D image processing, Tissues, Scanners, Optical spheres

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Proceedings Article | 12 February 2008 Paper

Accelerated DOT reconstruction using multiple sub-volumes

Ronny Ziegler, Tim Nielsen, Dirk Grosenick, Oliver Steinkellner, Axel Hagen, Rainer Macdonald, Herbert Rinneberg

Proceedings Volume 6850, 68500A (2008) https://doi.org/10.1117/12.763458

KEYWORDS: Absorption, Sensors, Luminescence, Diffusion, Scattering, Reconstruction algorithms, Optical properties, Image processing, Breast, Diffuse optical tomography

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Proceedings Article | 12 July 2007 Paper

Wavelengths optimization in multispectral diffuse optical tomography considering uncertainties in absorption spectra

Bernhard Brendel, Tim Nielsen

Proceedings Volume 6629, 66290A (2007) https://doi.org/10.1117/12.728421

KEYWORDS: Absorption, Chromophores, Scattering, Laser scattering, Tissue optics, Reconstruction algorithms, Diffuse optical tomography, Sensors, Spectral models

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Proceedings Article | 13 February 2007 Paper

Development of a multi-channel time-domain fluorescence mammograph

A. Hagen, O. Steinkellner, D. Grosenick, M. Möller, R. Ziegler, T. Nielsen, K. Lauritsen, R. Macdonald, H. Rinneberg

Proceedings Volume 6434, 64340Z (2007) https://doi.org/10.1117/12.701010

KEYWORDS: Luminescence, Photons, Breast, Optical spheres, Sensors, Mammography, Scattering, Laser scattering, Tissue optics, Absorption

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Proceedings Article | 13 February 2007 Paper

Phantom study on combined cw and time-domain fluorescence mammography

D. Grosenick, O. Steinkellner, A. Hagen, R. Ziegler, T. Nielsen, R. Macdonald, H. Rinneberg

Proceedings Volume 6434, 64340I (2007) https://doi.org/10.1117/12.700973

KEYWORDS: Luminescence, Absorption, Optical spheres, Photons, Cameras, Electron multiplying charge coupled devices, Sensors, Breast, Mammography

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Proceedings Article | 13 February 2007 Paper

Reconstruction of absorption and fluorescence contrast for scanning time-domain fluorescence mammography

Ronny Ziegler, Tim Nielsen, Thomas Koehler, Dirk Grosenick, Oliver Steinkellner, Axel Hagen, Rainer Macdonald, Herbert Rinneberg

Proceedings Volume 6434, 64340H (2007) https://doi.org/10.1117/12.700860

KEYWORDS: Luminescence, Absorption, Sensors, Scattering, Diffusion, Mammography, Reconstruction algorithms, Breast, Image restoration, Image transmission

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Proceedings Article | 7 February 2007 Paper

Image reconstruction and evaluation of system performance for optical fluorescence tomography

Tim Nielsen, Bernhard Brendel, Thomas Koehler, Ronny Ziegler, Andy Ziegler, Leon Bakker, Michiel van Beek, Martin van der Mark, Marjolein van der Voort, Rik Harbers, Kai Licha, Martin Pessel, F. Schippers, J. Meeuwse, Andrea Feuerabend, Dirk van Pijkeren, Sjaak Deckers

Proceedings Volume 6431, 643108 (2007) https://doi.org/10.1117/12.715067

KEYWORDS: Breast, Luminescence, Reconstruction algorithms, Image restoration, Optical fibers, Absorption, Interference (communication), Sensors, Diffuse optical tomography, Scattering

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Proceedings Article | 2 March 2006 Paper

Impact of noise-on-image reconstruction for diffuse optical tomography

Tim Nielsen, Thomas Köhler

Proceedings Volume 6142, 61420M (2006) https://doi.org/10.1117/12.651297

KEYWORDS: Scattering, Optical fibers, Absorption, Sensors, Reconstruction algorithms, Diffuse optical tomography, Tissue optics, Breast, Signal detection, Light scattering

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Proceedings Article | 2 March 2006 Paper

Iterative reconstruction of a region of interest for transmission tomography

Andy Ziegler, Tim Nielsen, Michael Grass

Proceedings Volume 6142, 614223 (2006) https://doi.org/10.1117/12.650666

KEYWORDS: Reconstruction algorithms, Signal to noise ratio, Sensors, Heart, Absorption, Image resolution, Tomography, Photons, Chemical elements, Computed tomography

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Proceedings Article | 12 May 2004 Paper

Iterative cardiac cone-beam CT reconstruction

Tim Nielsen, Robert Manzke, Thomas Koehler, Michael Grass, Roland Proksa

Proceedings Volume 5370, (2004) https://doi.org/10.1117/12.534847

KEYWORDS: Heart, CT reconstruction, Reconstruction algorithms, Computed tomography, Detection and tracking algorithms, Scanners, Image quality, Medical imaging, Image processing, Image resolution

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Proceedings Article | 12 May 2004 Paper

Automatic phase point determination for cardiac CT imaging

Robert Manzke, Michael Grass, Tim Nielsen, Thomas Koehler, David Hawkes

Proceedings Volume 5370, (2004) https://doi.org/10.1117/12.534108

KEYWORDS: Heart, Computed tomography, Image quality, Electrocardiography, Arteries, Spatial resolution, Data acquisition, Imaging systems, Scanners, Temporal resolution

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Showing 5 of 15 publications

Conference Committee Involvement (10)

Multimodal Biomedical Imaging XII

28 January 2017 | San Francisco, California, United States

Multimodal Biomedical Imaging XI

13 February 2016 | San Francisco, California, United States

Multimodal Biomedical Imaging X

7 February 2015 | San Francisco, California, United States

Multimodal Biomedical Imaging IX

1 February 2014 | San Francisco, California, United States

Multimodal Biomedical Imaging VIII

2 February 2013 | San Francisco, California, United States

Showing 5 of 10 Conference Committees

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