Prof. Gerd Haeusler Profile

Prof. Gerd Haeusler

Professor

SPIE Involvement:

Author

Publications (33)

Proceedings Article | 7 September 2018 Paper

Instantaneous speckle reduction? Yes, but there is no free lunch!

Gerd Häusler, Florian Dötzer, Klaus Mantel

Proceedings Volume 10834, 108340B (2018) https://doi.org/10.1117/12.2317925

KEYWORDS: Speckle, Signal to noise ratio, Projection systems, Spatial coherence, Diffraction, Multimode fibers, Diffusers, Laser applications, Coherence (optics)

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Proceedings Article | 4 March 2015 Paper

A novel one-dimensional phase-shift technique by using crossed fringe for phase measuring deflectometry

Yuankun Liu, Evelyn Olesch, Zheng Yang, Gerd Häusler, Xianyu Su

Proceedings Volume 9302, 93020X (2015) https://doi.org/10.1117/12.2087101

KEYWORDS: Fringe analysis, Phase shifts, Phase shift keying, Deflectometry, 3D metrology, Modulation, Mirrors, Imaging systems, Mechanics, Projection systems

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Proceedings Article | 23 May 2013 Paper

Improved EEG source localization employing 3D sensing by "Flying Triangulation"

Svenja Ettl, Stefan Rampp, Sarah Fouladi-Movahed, Sarang Dalal, Florian Willomitzer, Oliver Arold, Hermann Stefan, Gerd Häusler

Proceedings Volume 8791, 87910V (2013) https://doi.org/10.1117/12.2020533

KEYWORDS: Electrodes, Electroencephalography, Sensors, 3D modeling, Head, 3D metrology, Data modeling, Source localization, Brain, 3D acquisition

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Proceedings Article | 13 May 2013 Paper

Deflectometry vs. interferometry

Gerd Häusler, Christian Faber, Evelyn Olesch, Svenja Ettl

Proceedings Volume 8788, 87881C (2013) https://doi.org/10.1117/12.2020578

KEYWORDS: Deflectometry, Interferometry, Calibration, Mirrors, Glasses, Cameras, Eye, Manufacturing, Optical spheres, Aspheric lenses

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Proceedings Article | 13 September 2012 Paper

Deflectometry challenges interferometry: the competition gets tougher!

Christian Faber, Evelyn Olesch, Roman Krobot, Gerd Häusler

Proceedings Volume 8493, 84930R (2012) https://doi.org/10.1117/12.957465

KEYWORDS: Deflectometry, Interferometry, Calibration, Light sources, Mirrors, Reflection, Point spread functions, Spatial frequencies, Signal processing, Computer programming

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Proceedings Article | 27 May 2011 Paper

Structured-illumination microscopy on technical surfaces: 3D metrology with nanometer sensitivity

Markus Vogel, Zheng Yang, Alexander Kessel, Christoph Kranitzky, Christian Faber, Gerd Häusler

Proceedings Volume 8082, 80820S (2011) https://doi.org/10.1117/12.889428

KEYWORDS: Microscopy, 3D metrology, Microscopes, Data acquisition, Fringe analysis, Signal to noise ratio, Sensors, Speckle, Inspection, Objectives

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Proceedings Article | 15 September 2006 Paper

Reduced measurement uncertainty of white-light interferometry on rough surfaces

R. Gross, O. Hybl, C. Richter, B. Wiesner, G. Häusler

Proceedings Volume 6341, 63410V (2006) https://doi.org/10.1117/12.695306

KEYWORDS: Speckle, Speckle pattern, Cameras, Interferometry, Signal to noise ratio, Light sources, Radar, Reliability, Time metrology, Image filtering

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Proceedings Article | 10 September 2004 Paper

Phase measuring deflectometry: a new approach to measure specular free-form surfaces

Markus Knauer, Jurgen Kaminski, Gerd Hausler

Proceedings Volume 5457, (2004) https://doi.org/10.1117/12.545704

KEYWORDS: Cameras, Calibration, Sensors, Deflectometry, Imaging systems, Fringe analysis, Eyeglasses, Mirrors, Phase measurement, Projection systems

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Proceedings Article | 27 May 2003 Paper

Ubiquitous coherence: boon and bale of the optical metrologist

G. Hausler

Proceedings Volume 4933, (2003) https://doi.org/10.1117/12.516575

KEYWORDS: Speckle, Coherence (optics), Spatial coherence, Optical interferometry, Distance measurement, Metrology, Optical testing, Sensors, Diffraction, Error analysis

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Proceedings Article | 29 July 2002 Paper

Optical 3D sensing and CAD/CAM for medicine and art conservation

Gerd Haeusler, M. Benz, Peter Ettl, Stefan Karbacher, X. Laboureux, R. Lampalzer, K. Veit, E. Nkenke

Proceedings Volume 4900, (2002) https://doi.org/10.1117/12.484492

KEYWORDS: Sensors, Surgery, Fused deposition modeling, 3D modeling, Medicine, Rapid manufacturing, Algorithm development, Image registration, Reverse engineering, Visualization

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Proceedings Article | 29 July 2002 Paper

Online ablation measurement for laser material processing and its applications

P. Klinger, Gerd Haeusler

Proceedings Volume 4900, (2002) https://doi.org/10.1117/12.484557

KEYWORDS: Sensors, Laser ablation, Distance measurement, Laser processing, Pulsed laser operation, Carbon dioxide lasers, Charge-coupled devices, Nd:YAG lasers, Process control, Optical sensors

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Proceedings Article | 28 April 2000 Paper

Optical coherence tomography by spectral radar: improvement of signal-to-noise ratio

Peter Andretzky, M. Knauer, F. Kiesewetter, Gerd Haeusler

Proceedings Volume 3915, (2000) https://doi.org/10.1117/12.384174

KEYWORDS: Optical coherence tomography, Scattering, Light sources, Light scattering, Skin, Radar, Modulation, Signal to noise ratio, Interferometers, Spectroscopy

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Proceedings Article | 12 February 1999 Paper

Modifications of the coherence radar for in-vivo profilometry in dermatology

Peter Andretzky, Michael Lindner, G. Bohn, Jochen Neumann, Marc Schmidt, G. Ammon, Gerd Haeusler

Proceedings Volume 3567, (1999) https://doi.org/10.1117/12.339174

KEYWORDS: Skin, Radar, Sensors, Head, Coherence (optics), In vivo imaging, Fiber optics, Dermatology, Fiber optics sensors, Tissue optics

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Proceedings Article | 12 February 1999 Paper

Optical coherence tomography by spectral radar: dynamic range estimation and in-vivo measurements of skin

Peter Andretzky, Michael Lindner, Juergen Herrmann, A. Schultz, M. Konzog, F. Kiesewetter, Gerd Haeusler

Proceedings Volume 3567, (1999) https://doi.org/10.1117/12.339173

KEYWORDS: Skin, Optical coherence tomography, Scattering, Radar, Tumors, Signal to noise ratio, In vivo imaging, Tissues, Photons, Melanoma

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Proceedings Article | 29 September 1998 Paper

Roughness parameters and surface deformation measured by coherence radar

Peter Ettl, Berthold Schmidt, M. Schenk, Ildiko Laszlo, Gerd Haeusler

Proceedings Volume 3407, (1998) https://doi.org/10.1117/12.323304

KEYWORDS: Radar, Speckle, Surface finishing, Radium, Coherence (optics), Surface roughness, Mechanical sensors, Optical interferometry, Interferometry, Data acquisition

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Proceedings Article | 6 March 1998 Paper

New approach for the modeling and smoothing of scattered 3D data

Stefan Karbacher, Gerd Haeusler

Proceedings Volume 3313, (1998) https://doi.org/10.1117/12.302451

KEYWORDS: Data modeling, Smoothing, Digital filtering, 3D modeling, Calibration, Reverse modeling, Filtering (signal processing), 3D image processing, Visualization, Electronic filtering

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Proceedings Article | 6 March 1998 Paper

Reverse engineering using optical 3D sensors

Harald Schoenfeld, Gerd Haeusler, Stefan Karbacher

Proceedings Volume 3313, (1998) https://doi.org/10.1117/12.302444

KEYWORDS: Sensors, Calibration, Reverse modeling, Data modeling, Image registration, 3D metrology, Reverse engineering, 3D acquisition, 3D modeling, 3D image processing

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Proceedings Article | 13 January 1998 Paper

Optical coherence profilometry (OCP) of human skin in vivo

G. Ammon, Peter Andretzky, G. Bohn, Gerd Haeusler, Juergen Herrmann, Michael Lindner

Proceedings Volume 3196, (1998) https://doi.org/10.1117/12.297945

KEYWORDS: Skin, Tissue optics, Coherence (optics), In vivo imaging, 3D metrology, Biomedical optics, Medical diagnostics, Radar, Time metrology, Fiber optics sensors

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Proceedings Article | 13 January 1998 Paper

Optical coherence tomography by spectral radar for the analysis of human skin

Michael Bail, Gerd Haeusler, Juergen Herrmann, F. Kiesewetter, Michael Lindner, A. Schultz

Proceedings Volume 3196, (1998) https://doi.org/10.1117/12.297944

KEYWORDS: Skin, Radar, Optical coherence tomography, Fiber optics sensors, Sensors, Optical sensors, Scattering, In vivo imaging, Fiber optics tests, Fiber optics

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SPIE Journal Paper | 1 January 1998 Open Access

"Coherence radar" and "Spectral radar"- new tools for dermatological diagnosis

Gerd Haeusler, Michael Lindner

JBO, Vol. 3, Issue 01, (January 1998) https://doi.org/10.1117/12.10.1117/1.429899

KEYWORDS: Skin, Radar, Scattering, In vivo imaging, Sensors, Melanoma, Optical coherence tomography, Coherence (optics), Light sources, Photons

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Proceedings Article | 22 May 1997 Paper

3D imaging of human skin: optical in-vivo tomography and topology by short-coherence interferometry

Michael Bail, Armin Eigensee, Gerd Haeusler, Juergen Herrmann, Michael Lindner

Proceedings Volume 2981, (1997) https://doi.org/10.1117/12.274298

KEYWORDS: Skin, Scattering, Photons, Radar, Melanoma, In vivo imaging, Time metrology, Tissue optics, Sensors, Interferometry

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Proceedings Article | 6 December 1996 Paper

New method of short-coherence interferometry in human skin (in vivo) and in solid volume scatterers

Armin Eigensee, Gerd Haeusler, Juergen Herrmann, Michael Lindner

Proceedings Volume 2925, (1996) https://doi.org/10.1117/12.260851

KEYWORDS: Photons, Skin, Scattering, In vivo imaging, Solids, Light scattering, Cameras, Geometrical optics, Speckle, Chlorine

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Proceedings Article | 6 December 1996 Paper

Optical coherence tomography with the "spectral radar": fast optical analysis in volume scatterers by short-coherence interferometry

Michael Bail, Gerd Haeusler, Juergen Herrmann, Michael Lindner, R. Ringler

Proceedings Volume 2925, (1996) https://doi.org/10.1117/12.260841

KEYWORDS: Scattering, Light scattering, Radar, Sensors, Tissue optics, Interferometry, Signal detection, Optical coherence tomography, Light sources, Skin

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Proceedings Article | 7 December 1994 Paper

Neural nets and Hough strategies: competitors in image processing

Gerd Haeusler, Dieter Ritter

Proceedings Volume 2430, (1994) https://doi.org/10.1117/12.195586

KEYWORDS: Neural networks, Image processing, Detection and tracking algorithms, Convolution, Feature extraction, Neurons, Image segmentation, Object recognition, 3D modeling, 3D image processing

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Proceedings Article | 1 December 1993 Paper

Chaos, order, and associative memory in video feedback

Gerd Haeusler, T. Neumahr, Lucas Parra, Harald Schoenfeld, B. Spellenberg

Proceedings Volume 2039, (1993) https://doi.org/10.1117/12.164774

KEYWORDS: Convolution, Chaos, Video, Optical filters, Cameras, Dynamical systems, Neural networks, Image restoration, Linear filtering, Complex systems

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Proceedings Article | 23 March 1993 Paper

Coherence radar: an accurate 3D sensor for rough surfaces

Gerd Haeusler, Jochen Neumann

Proceedings Volume 1822, (1993) https://doi.org/10.1117/12.141943

KEYWORDS: Sensors, Radar, Critical dimension metrology, Speckle, Ceramics, Mirrors, Light scattering, Aluminum, Scattering, Interferometers

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Proceedings Article | 23 March 1993 Paper

Physical limits of 3D sensing

Gerd Haeusler, Juergen Herrmann

Proceedings Volume 1822, (1993) https://doi.org/10.1117/12.141937

KEYWORDS: Speckle, Sensors, Distance measurement, Single photon, Light sources, Interferometry, Reflectivity, Three dimensional sensing, Inspection, Reticles

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