Dr. Bernd Hofer Profile

Dr. Bernd Hofer

Research Associate at Medizinische Univ Wien

SPIE Involvement:

Author

Publications (24)

SPIE Journal Paper | 11 July 2012 Open Access

Graphics processing unit-based dispersion encoded full-range frequency-domain optical coherence tomography

Ling Wang, Bernd Hofer, Jeremy Guggenheim, Boris Považay

JBO, Vol. 17, Issue 7, 077007, (July 2012) https://doi.org/10.1117/12.10.1117/1.JBO.17.7.077007

KEYWORDS: Optical coherence tomography, Visualization, MATLAB, Image processing, Graphics processing units, Algorithm development, Signal processing, LabVIEW, Fourier transforms, Computer programming

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Proceedings Article | 23 February 2012 Paper

Optical detection of photoacoustic waves using phase sensitive low-coherence interferometry

B. Hermann, M. Gabriele-Sandrian, B. Hofer, B. Povazay, W. Drexler

Proceedings Volume 8223, 822338 (2012) https://doi.org/10.1117/12.908325

KEYWORDS: Transducers, Interferometry, Photoacoustic spectroscopy, Signal detection, Phase measurement, Phase interferometry, Ultrasonics, Sensors, Oscilloscopes, Acoustics

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Proceedings Article | 30 January 2012 Paper

Graphics processing unit-based dispersion encoded full-range frequency domain OCT

Ling Wang, Boris Povazay, Jeremy Guggenheim, Wolfgang Drexler, Bernd Hofer

Proceedings Volume 8213, 82132D (2012) https://doi.org/10.1117/12.911247

KEYWORDS: Optical coherence tomography, Visualization, Graphics processing units, Eye, Signal detection, Algorithm development, Image display, Reconstruction algorithms, Signal processing, Medical physics

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Proceedings Article | 16 February 2011 Paper

Fast dispersion encoded full range OCT for retinal imaging at 800 nm and 1060 nm

Bernd Hofer, Boris Považay, Angelika Unterhuber, Ling Wang, Boris Hermann, Sara Rey, Gerald Matz, Wolfgang Drexler

Proceedings Volume 7889, 788907 (2011) https://doi.org/10.1117/12.874527

KEYWORDS: Optical coherence tomography, Signal detection, Mirrors, Retinal scanning, In vivo imaging, Reconstruction algorithms, Microscopes, Spectroscopy, Imaging systems, Signal processing

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Proceedings Article | 16 February 2011 Paper

Multimodal optical coherence/photoacoustic tomography of skin

Aneesh Alex, Edward Zhang, Boris Považay, Jan Laufer, Bernd Hofer, Carl Glittenberg, Boris Hermann, Paul Beard, Wolfgang Drexler

Proceedings Volume 7889, 788916 (2011) https://doi.org/10.1117/12.875499

KEYWORDS: Optical coherence tomography, Skin, Acquisition tracking and pointing, Imaging systems, Sensors, Tissue optics, In vivo imaging, Tissues, Tomography, Multimodal imaging

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Proceedings Article | 10 February 2011 Paper

Combined OCT and CARS using a single ultrashort pulse Ti:Sapphire laser

Claudia Hoffmann, Bernd Hofer, Angelika Unterhuber, Boris Poavzay, Uwe Morgner, Wolfgang Drexler

Proceedings Volume 7892, 78920B (2011) https://doi.org/10.1117/12.875174

KEYWORDS: Optical coherence tomography, Sapphire lasers, Mirrors, Collagen, Signal generators, Spectroscopy, Molecular spectroscopy, Optic nerve, Ultrafast phenomena, In vivo imaging

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SPIE Journal Paper | 1 July 2010 Open Access

Highly reproducible swept-source, dispersion-encoded full-range biometry and imaging of the mouse eye

Ling Wang, Bernd Hofer, Yen-Po Chen, Jeremy Guggenheim, Wolfgang Drexler, Boris Považay

JBO, Vol. 15, Issue 04, 046004, (July 2010) https://doi.org/10.1117/12.10.1117/1.3463480

KEYWORDS: Eye, Optical coherence tomography, Imaging systems, In vivo imaging, Cornea, Retina, Light sources, Interferometers, Tunable lasers, Mirrors

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SPIE Journal Paper | 1 March 2010 Open Access

Multispectral in vivo three-dimensional optical coherence tomography of human skin

Alex Aneesh, Boris Považay, Bernd Hofer, Sergei Popov, Carl Glittenberg, Susanne Binder, Wolfgang Drexler

JBO, Vol. 15, Issue 02, 026025, (March 2010) https://doi.org/10.1117/12.10.1117/1.3400665

KEYWORDS: Optical coherence tomography, Skin, Tissues, Scattering, In vivo imaging, Image resolution, 3D image processing, Light scattering, Biomedical optics, Visualization

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Proceedings Article | 24 February 2010 Paper

Multimodal simultaneous photoacoustic tomography, optical resolution microscopy, and OCT system

Edward Zhang, Jan Laufer, Boris Považay, Aneesh Alex, Bernd Hofer, Wolfgang Drexler, Paul Beard

Proceedings Volume 7564, 75640U (2010) https://doi.org/10.1117/12.841615

KEYWORDS: Acquisition tracking and pointing, Optical coherence tomography, Sensors, Tissues, Ultrasonography, Acoustics, Signal detection, Photoacoustic spectroscopy, Spatial resolution, Photoacoustic tomography

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Proceedings Article | 23 February 2010 Paper

Mutant and wild type cell chemotaxis in 3D and 4D with ultrahigh-resolution optical coherence tomography

Sara Rey, Boris Považay, Bernd Hofer, Angelika Unterhuber, Adrian Harwood, Wolfgang Drexler

Proceedings Volume 7554, 75540N (2010) https://doi.org/10.1117/12.843244

KEYWORDS: Optical coherence tomography, Video, 3D image processing, Opacity, Photonic integrated circuits, Image resolution, Image filtering, Visualization, In vivo imaging, Microscopy

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Proceedings Article | 20 February 2010 Paper

Optimizing penetration depth, contrast, and resolution in 3D dermatologic OCT

Alex Aneesh, Boris Považay, Bernd Hofer, Edward Zhang, Catherine Kendall, Jan Laufer, Sergei Popov, Carl Glittenberg, Susanne Binder, Nicholas Stone, Paul Beard, Wolfgang Drexler

Proceedings Volume 7554, 75540V (2010) https://doi.org/10.1117/12.843243

KEYWORDS: Optical coherence tomography, Skin, 3D image processing, Imaging systems, Image resolution, Tissues, Tumors, In vivo imaging, Tissue optics, Signal to noise ratio

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Proceedings Article | 20 February 2010 Paper

In vitro retinal imaging with full field swept source optical coherence tomography

James Fergusson, Boris Považay, Bernd Hofer, Wolfgang Drexler

Proceedings Volume 7554, 75540I (2010) https://doi.org/10.1117/12.843254

KEYWORDS: Optical coherence tomography, Signal to noise ratio, Cameras, In vitro testing, Retinal scanning, Microscopes, Retina, Imaging systems, Light sources, Tissues

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Proceedings Article | 14 July 2009 Paper

Spectroscopy in single and double layered weakly scattering phantoms using frequency domain optical coherence tomography

B. Hermann, C. Meier, B. Hofer, B. Považay, W. Drexler

Proceedings Volume 7372, 737210 (2009) https://doi.org/10.1117/12.831845

KEYWORDS: Absorption, Spectroscopy, Optical coherence tomography, Scattering, Reflectivity, Calibration, Blood, Tissue optics, Chromatic aberrations, Solids

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Proceedings Article | 25 February 2009 Paper

Spectroscopy in single and double layered weakly scattering phantoms with frequency domain OCT

C. Meier, B. Hermann, B. Hofer, B. Povazay, W. Drexler

Proceedings Volume 7175, 71750X (2009) https://doi.org/10.1117/12.809222

KEYWORDS: Absorption, Spectroscopy, Optical coherence tomography, Scattering, Tissue optics, Solids, Imaging spectroscopy, Blood, Glasses, Reflectivity

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Proceedings Article | 24 February 2009 Paper

Visualization of 3D cell migration using high speed ultrahigh resolution optical coherence tomography

Sara Rey, Adrian Harwood, Boris Povazay, Bernd Hofer, Angelika Unterhuber, Boris Hermann, Wolfgang Drexler

Proceedings Volume 7179, 717902 (2009) https://doi.org/10.1117/12.809178

KEYWORDS: Optical coherence tomography, 3D image processing, Visualization, Image resolution, Optical resolution, Microscopy, Tissue engineering, 3D acquisition, Image filtering, 3D visualizations

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Proceedings Article | 24 February 2009 Paper

Wide field visualization of retinal and choroidal microstructure in vivo using frequency domain OCT at 1060 nm with up to 47000 lines/s

Boris Hermann, M. Esmaeelpour, Boris Povazay, Bernd Hofer, F. Bounaparte, Nick Sheen, Rachel North, Wolfgang Drexler

Proceedings Volume 7163, 71630A (2009) https://doi.org/10.1117/12.809253

KEYWORDS: Optical coherence tomography, Eye, Visualization, Retina, Absorption, In vivo imaging, Tissue optics, Indium gallium arsenide, Image resolution, Spectroscopy

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Proceedings Article | 20 February 2009 Paper

Dispersion encoded full range frequency domain OCT

Bernd Hofer, Boris Povazay, Boris Hermann, Angelika Unterhuber, Gerald Matz, Wolfgang Drexler

Proceedings Volume 7168, 71681I (2009) https://doi.org/10.1117/12.809396

KEYWORDS: Mirrors, Optical coherence tomography, Light sources

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Proceedings Article | 30 December 2008 Paper

Revealing fine microstructural morphology in the living human retina using Optical Coherence Tomography with pancorrection

C. Torti, B. Považay, B. Hofer, A. Unterhuber, B. Hermann, W. Drexler

Proceedings Volume 7139, 71390Q (2008) https://doi.org/10.1117/12.820631

KEYWORDS: Cones, Adaptive optics, Retina, Optical coherence tomography, Eye, Image segmentation, In vivo imaging, Visualization, Imaging systems, Chromatic aberrations

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Proceedings Article | 30 December 2008 Paper

Retinal intrinsic optical signal and optical coherence tomography

Alexandre Tumlinson, Boris Hermann, Tom Margrain, Bernd Hofer, Boris Považay, Wolfgang Drexler

Proceedings Volume 7139, 71390S (2008) https://doi.org/10.1117/12.819401

KEYWORDS: Retina, Optical coherence tomography, Image segmentation, Tissues, Intrinsic optical signal, Tissue optics, Information operations, Eye, Charge-coupled devices, Digital filtering

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Proceedings Article | 30 December 2008 Paper

High-speed high-resolution optical coherence tomography at 800 and 1060 nm

B. Považay, B. Hofer, B. Hermann, C. Torti, V. Kajic, A. Unterhuber, W. Drexler

Proceedings Volume 7139, 71390R (2008) https://doi.org/10.1117/12.817399

KEYWORDS: Optical coherence tomography, Cameras, Spectroscopy, Light sources, Eye, Retina, Visualization, Interfaces, CMOS cameras, Imaging devices

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SPIE Journal Paper | 1 July 2007 Open Access

Minimum distance mapping using three-dimensional optical coherence tomography for glaucoma diagnosis

Boris Povazay, Bernd Hofer, Boris Hermann, Angelika Unterhuber, James Morgan, Carl Glittenberg, Susanne Binder, Wolfgang Drexler

JBO, Vol. 12, Issue 04, 041204, (July 2007) https://doi.org/10.1117/12.10.1117/1.2773736

KEYWORDS: Nerve, Optical coherence tomography, Axons, Optic nerve, 3D modeling, Visualization, Tissues, 3D image processing, Biomedical optics, Head

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SPIE Journal Paper | 1 July 2007 Open Access

Three-dimensional optical coherence tomography at 1050 nm versus 800 nm in retinal pathologies: enhanced performance and choroidal penetration in cataract patients

Boris Povazay, Boris Hermann, Angelika Unterhuber, Bernd Hofer, Harald Sattmann, Florian Zeiler, James Morgan, Christiane Falkner-Radler, Carl Glittenberg, Susanne Binder, Wolfgang Drexler

JBO, Vol. 12, Issue 04, 041211, (July 2007) https://doi.org/10.1117/12.10.1117/1.2773728

KEYWORDS: Optical coherence tomography, 3D image processing, Imaging systems, Retina, Spectroscopy, Pathology, Retinal scanning, Scattering, Image quality, Signal processing

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Proceedings Article | 14 February 2007 Paper

Signal post processing in frequency domain OCT and OCM using a filter bank approach

Bernd Hofer, Boris Považay, Boris Hermann, Angelika Unterhuber, Gerald Matz, Franz Hlawatsch, Wolfgang Drexler

Proceedings Volume 6443, 64430O (2007) https://doi.org/10.1117/12.700361

KEYWORDS: Optical coherence tomography, Spectroscopy, Signal processing, Reflectivity, Mirrors, Light sources, Charge-coupled devices, Tissue optics, CCD image sensors, Sensors

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Proceedings Article | 7 February 2007 Paper

Inherent media dispersion compensation by FD-OCT

Alexandre Tumlinson, Bernd Hofer, Boris Považay, Amy Winkler, Wolfgang Drexler, Jennifer Barton

Proceedings Volume 6429, 64291C (2007) https://doi.org/10.1117/12.701019

KEYWORDS: Spatial frequencies, Dispersion, Transform theory, Point spread functions, Imaging systems, Spectroscopy, Optical coherence tomography, Interferometers, Water, Refraction

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Showing 5 of 24 publications

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