Prof. Hakan Urey Profile

Prof. Hakan Urey

Professor of Electrical Engineering at Koç Univ

SPIE Involvement:

Author

Websites:

Company Website

Profile Summary

-BS degree from Middle East Technical University, Ankara, in 1992,
-MS and Ph.D. degrees from Georgia Institute of Technology in 1996 and in 1997
-Microvision Inc, Seattle, USA, Principal System Engineer. 1998-2002
-Koc University, since 2022.
-Has more than 60 patents.
-Founded 5 technology startup companies which are spinoffs from his research lab at Koç University.
-Received European Research Council Advanced Investigator Grant (ERC-AdG) to develop next-generation wearable and 3D augmented reality display technologies.
-Member of Science Academy in Turkey.
-Fellow of OPTICA.
Research interests: MEMS, optical sensors, AR, holography, display technologies

Publications (49)

Proceedings Article | 12 March 2024 Presentation + Paper

Presentation + Paper

AutoColor: learned light power control for multi-color holograms

Yicheng Zhan, Koray Kavaklı, Hakan Urey, Qi Sun, Kaan Akşit

Proceedings Volume 12913, 129130I (2024) https://doi.org/10.1117/12.3000082

KEYWORDS: Holograms, Light sources, Machine learning, Education and training, Spatial light modulators, Image resolution, Holographic displays, Computer generated holography, RGB color model, Prototyping

Read Abstract +

Proceedings Article | 16 March 2023 Poster

Poster

Mitigating edge fringe effects in multiplane holography

Koray Kavakli, Kaan Akşit, Yuta Itoh, Hakan Urey

Proceedings Volume 12449, 124491R (2023) https://doi.org/10.1117/12.2648768

KEYWORDS: Holography, Visualization, Holograms, 3D displays, Visual system, Reconstruction algorithms, Prototyping, Display technology, Detection and tracking algorithms, Computer generated holography

Read Abstract +

Proceedings Article | 15 March 2023 Poster + Presentation + Paper

Poster + Presentation + Paper

Wearable multi-color RAPD screening device

Arda Gulersoy, Ahmet Berk Tuzcu, Doga Gunduzalp, Koray Kavakli, Abdullah Kucukoduk, Umit Yasar Guleser, Ugur Aygun, Murat Hasanreisoglu, Afsun Sahin, Hakan Urey

Proceedings Volume 12360, 123600H (2023) https://doi.org/10.1117/12.2651784

KEYWORDS: Light emitting diodes, Eye, Glaucoma, Equipment, Colorimetry, Visualization, Retinal diseases, Infrared imaging, Infrared cameras, Human-machine interfaces

Read Abstract +

Proceedings Article | 15 March 2023 Poster + Paper

Poster + Paper

Artificial eye model and holographic display-based IOL simulator

Deniz Akyazi, Koray Kavakli, Ugur Aygun, Afsun Sahin, Hakan Urey

Proceedings Volume 12360, 123600W (2023) https://doi.org/10.1117/12.2653265

KEYWORDS: Eye models, Eye, Holography, Cataracts, Visualization, Optical simulations, Light sources, Surgery, Holographic displays, Spatial light modulators

Read Abstract +

Proceedings Article | 15 March 2023 Poster + Paper

Poster + Paper

Dynamic accommodation measurement using Purkinje reflections and ML algorithms

Faik Ozan Ozhan, Arda Gulersoy, Ugur Aygun, Afsun Sahin, Hakan Urey

Proceedings Volume 12360, 123600Q (2023) https://doi.org/10.1117/12.2651657

KEYWORDS: Reflection, Eye, Zemax, Ophthalmology, Eye models, Prototyping

Read Abstract +

Proceedings Article | 4 March 2022 Presentation + Paper

Presentation + Paper

Perceptually guided computer-generated holography

Kaan Aksit, Koray Kavakli, David Walton, Anthony Steed, Hakan Urey, Rafael Kuffner Dos Anjos, Sebastian Friston, Tim Weyrich, Tobias Ritschel

Proceedings Volume 12024, 1202404 (2022) https://doi.org/10.1117/12.2610251

KEYWORDS: Perceptual learning, Human vision and color perception, Computer generated holography, Visualization, Holograms, Holography, 3D displays, Prototyping, Optical simulations, Image quality, 3D acquisition, Image restoration

Read Abstract +

Proceedings Article | 24 February 2020 Paper

Paper

Label-free imaging of exosomes using depth scanning correlation (DSC) interferometric microscopy

Ugur Aygun, Ayca Yalcin Ozkumur, Naside Gozde Durmus, Utkan Demirci, Hakan Ürey

Proceedings Volume 11251, 112510Q (2020) https://doi.org/10.1117/12.2543242

KEYWORDS: Interferometry, Particles, Nanoparticles, Microscopy, Medicine, Breast cancer, Cancer, Visualization, Proteins

Read Abstract +

Proceedings Article | 1 March 2019 Presentation + Paper

Presentation + Paper

Wide field-of-view dual-focal-plane augmented reality display

Uğur Yekta Başak, Seyedmahdi Kazempourradi, Erdem Ulusoy, Hakan Ürey

Proceedings Volume 10942, 1094209 (2019) https://doi.org/10.1117/12.2510782

KEYWORDS: LCDs, Distortion, Eye, Augmented reality, Zemax, Cameras, Visualization, Prototyping, Fresnel lenses, 3D displays

Read Abstract +

SPIE Journal Paper | 10 November 2017 Open Access

Open Access

Coagulation measurement from whole blood using vibrating optical fiber in a disposable cartridge

Yusuf Samet Yaraş, Ali Bars Gündüz, Gökhan Sağlam, Selim Ölçer, Fehmi Civitçi, İbrahim Baris, Göksenin Yaralioğlu, Hakan Urey

JBO, Vol. 22, Issue 11, 117001, (November 2017) https://doi.org/10.1117/12.10.1117/1.JBO.22.11.117001

KEYWORDS: Blood, Optical fibers, Plasma, Microfluidics, Control systems, Signal to noise ratio, Sensors, Lab on a chip, Channel projecting optics, Point-of-care devices

Read Abstract +

Proceedings Article | 6 April 2017 Presentation + Paper

Presentation + Paper

Fast computer-generated hologram computation using rendered depth map image

Seyedmahdi Kazempourradi, Erdem Ulusoy, Hakan Urey

Proceedings Volume 10127, 101270Q (2017) https://doi.org/10.1117/12.2252374

KEYWORDS: Computer generated holography, Computer graphics, Computing systems, Holograms, 3D applications, 3D image processing, 3D image reconstruction, Spatial light modulators, Holography, Fourier transforms

Read Abstract +

Proceedings Article | 3 March 2017 Presentation + Paper

Presentation + Paper

Disposable cartridge biosensor platform for portable diagnostics

Yusuf Yaras, Onur Cakmak, Ali Gunduz, Gokhan Saglam, Selim Olcer, Aref Mostafazadeh, Ibrahim Baris, Fehmi Civitci, Goksen Yaralioglu, Hakan Urey

Proceedings Volume 10055, 100550O (2017) https://doi.org/10.1117/12.2254729

KEYWORDS: Blood, Sensors, Plasma, Microfluidics, Biosensors, Diagnostics, Microelectromechanical systems, Light scattering, Manufacturing, Time metrology, Optical fibers, Fiber optics sensors, Tolerancing, Prototyping

Read Abstract +

Proceedings Article | 16 February 2017 Paper

Paper

Effect of spatial coherence of LED sources on image resolution in holographic displays

Vahid Pourreza Ghoushchi, Mehdi Aas, Erdem Ulusoy, Hakan Ürey

Proceedings Volume 10126, 101260A (2017) https://doi.org/10.1117/12.2252413

KEYWORDS: Light emitting diodes, Holography, LED displays, Spatial light modulators, Speckle, Spatial coherence, Image resolution, Holograms, 3D displays, Computer generated holography, Charge-coupled devices, 3D image reconstruction, Laser sources

Read Abstract +

Proceedings Article | 16 February 2017 Paper

Paper

Augmented reality 3D display using head-mounted projectors and transparent retro-reflective screen

Shoaib Soomro, Hakan Urey

Proceedings Volume 10126, 101260E (2017) https://doi.org/10.1117/12.2252439

KEYWORDS: 3D displays, Projection systems, Heads up displays, Transparency, Autostereoscopic displays, Head, Light, Light scattering, Scattering, Optical design, Augmented reality, Eye, Cones, Pico projectors

Read Abstract +

Proceedings Article | 16 February 2017 Paper

Paper

Dual purpose passive screen for simultaneous display and imaging

Shoaib Soomro, Erdem Ulusoy, Muhsin Eralp, Hakan Urey

Proceedings Volume 10126, 101260N (2017) https://doi.org/10.1117/12.2251127

KEYWORDS: Small screens, 3D displays, Cameras, Visualization, 3D image capture, Integrated optics, Transparency, Reflectivity, Lenses, Projection systems, Mirrors, Eye, Polarizers, Pico projectors, Reflection, Light scattering, Image processing

Read Abstract +

Proceedings Article | 15 March 2016 Paper

Paper

Wearable and augmented reality displays using MEMS and SLMs

Hakan Urey, Erdem Ulusoy, Seyedmahdi Kazempourradi, Deniz Mengu, Selim Olcer, Sven Holmstrom

Proceedings Volume 9760, 976004 (2016) https://doi.org/10.1117/12.2216633

KEYWORDS: Augmented reality, Microelectromechanical systems, Holography, Spatial light modulators, Virtual reality, Scanners, 3D displays, Head-mounted displays, Laser development, Laser scanners, Projection systems, Holograms, Eye, Glasses, Video

Read Abstract +

Proceedings Article | 7 March 2016 Presentation + Paper

Presentation + Paper

Low cost flatbed scanner label-free biosensor

Ugur Aygun, Oguzhan Avci, Elif Seymour, Derin Sevenler, Hakan Urey, M. Selim Ünlü, Ayca Yalcin Ozkumur

Proceedings Volume 9699, 969906 (2016) https://doi.org/10.1117/12.2214113

KEYWORDS: Scanners, Biosensors, Proteins, Interferometry, Reflectivity, Optical biosensors, Point-of-care devices, Image sensors, CCD image sensors, IRIS Consortium, Reflection, Sensors, Silicon

Read Abstract +

Proceedings Article | 23 September 2015 Paper

Paper

Wave optics analysis of corner-cube retro-reflectors in near-to-eye displays based on scanning laser projectors

Seyedmahdi Kazempourradi, Erdem Ulusoy, Sven Holmstrom, Hakan Urey

Proceedings Volume 9630, 96300K (2015) https://doi.org/10.1117/12.2191355

KEYWORDS: Projection systems, Image quality, Eye, Eye models, Geometrical optics, Image resolution, Retroreflectors, Optical simulations, Laser scanners, Relays

Read Abstract +

Proceedings Article | 18 December 2012 Paper

Paper

Diffraction grating-based optical readout for thermal imaging

Ulas Adiyan, R. Erarslan, Onur Ferhanoglu, Hamdi Torun, Hakan Urey

Proceedings Volume 8550, 855026 (2012) https://doi.org/10.1117/12.981443

KEYWORDS: Imaging systems, Sensors, Thermography, Diffraction gratings, Charge-coupled devices, Diffraction, Staring arrays, Microelectromechanical systems, CCD image sensors, Light sources

Read Abstract +

Proceedings Article | 9 May 2012 Paper

Paper

Microstructured head-up display screen for automotive applications

M. Kivanc Hedili, Mark Freeman, Hakan Urey

Proceedings Volume 8428, 84280X (2012) https://doi.org/10.1117/12.923556

KEYWORDS: Heads up displays, Coating, Microlens, Reflectivity, Diffraction, Microlens array, Dielectrics, Pico projectors, Projection systems, Reflection

Read Abstract +

Proceedings Article | 14 May 2010 Paper

Paper

Sensitivity enhancement of bimaterial MOEMS thermal imaging sensor array using 2-λ wavelength readout

O. Ferhanoĝlu, H. Urey

Proceedings Volume 7718, 77180O (2010) https://doi.org/10.1117/12.854753

KEYWORDS: Sensors, Thermography, Image sensors, Imaging arrays, Infrared imaging, Diffraction gratings, CCD image sensors, Charge-coupled devices, Microelectromechanical systems, Interferometry

Read Abstract +

Proceedings Article | 15 April 2010 Paper

Paper

MEMS scanners for display, imaging, and spectroscopy and their dynamic characterization

Hakan Urey, Huseyin Seren

Proceedings Volume 7522, 75221P (2010) https://doi.org/10.1117/12.851777

KEYWORDS: Microelectromechanical systems, Imaging spectroscopy, Sensors, Scanners, Mirrors, Spectrometers, Interferometry, Modulation, Motion measurement, Laser development

Read Abstract +

Proceedings Article | 7 May 2009 Paper

Paper

Parylene-based uncooled thermomechanical array

Onur Ferhanoglu, M. Fatih Toy, Hakan Urey

Proceedings Volume 7298, 72980H (2009) https://doi.org/10.1117/12.818951

KEYWORDS: Titanium, Aluminum, Sensors, Thermography, Detector arrays, Infrared imaging, Optical design, Microelectromechanical systems, Microelectronics, Diffraction gratings

Read Abstract +

Proceedings Article | 24 April 2008 Paper

Paper

Magnetic actuated FR4 scanners for compact spectrometers

Çağlar Ataman, Hakan Urey

Proceedings Volume 6993, 699303 (2008) https://doi.org/10.1117/12.785375

KEYWORDS: Spectrometers, Mirrors, FT-IR spectroscopy, Magnetism, Scanners, Microelectromechanical systems, Diffraction gratings, Michelson interferometers, Fourier transforms, Infrared spectroscopy

Read Abstract +

Proceedings Article | 22 January 2007 Paper

Paper

High-performance silicon scanning mirror for laser printing

Wyatt Davis, Dean Brown, Mark Helsel, Randy Sprague, Greg Gibson, Arda Yalcinkaya, Hakan Urey

Proceedings Volume 6466, 64660D (2007) https://doi.org/10.1117/12.700849

KEYWORDS: Mirrors, Actuators, Silicon, Nonimpact printing, Microelectromechanical systems, Reflectors, Printing, Semiconductor lasers, Mathematical modeling, Gold

Read Abstract +

Proceedings Article | 21 April 2006 Paper

Paper

Comparative performance analysis of 100% fill-factor microlens arrays fabricated by various methods

A. Akatay, A. Waddie, H. Suyal, M. Taghizadeh, H. Urey

Proceedings Volume 6185, 61850C (2006) https://doi.org/10.1117/12.664051

KEYWORDS: Lenses, Microlens array, Diffraction, Spherical lenses, Beam steering, Etching, Isotropic etching, Microlens, Semiconducting wafers, Device simulation

Read Abstract +

Proceedings Article | 21 April 2006 Paper

Paper

A 2D MEMS stage for optical applications

Caglar Ataman, Yves Petremand, Wilfried Noell, Hakan Ürey, Marc Epitaux, Nico de Rooij

Proceedings Volume 6186, 618603 (2006) https://doi.org/10.1117/12.664777

KEYWORDS: Microelectromechanical systems, Actuators, Microlens, Instrument modeling, Microlens array, Motion models, Linear filtering, Etching, Control systems, Scanners

Read Abstract +

Proceedings Article | 21 April 2006 Paper

Paper

A MEMS based visible-NIR Fourier transform microspectrometer

C. Ataman, H. Urey, S. O. Isikman, A. Wolter

Proceedings Volume 6186, 61860C (2006) https://doi.org/10.1117/12.664781

KEYWORDS: Diffraction gratings, Spectroscopy, Diffraction, Fourier transforms, Actuators, Spectral resolution, Microelectromechanical systems, Mirrors, Modulation, Photodetectors

Read Abstract +

Proceedings Article | 29 September 2005 Paper

Paper

Uncooled thermo-mechanical detector array with optical readout

Hamdi Torun, Hakan Urey

Proceedings Volume 5957, 59570O (2005) https://doi.org/10.1117/12.624593

KEYWORDS: Sensors, Absorption, Thermography, Staring arrays, Infrared radiation, Detector arrays, Reflectors, Aluminum, Microfabrication, Infrared detectors

Read Abstract +

Proceedings Article | 25 October 2004 Paper

Paper

MEMS scanners for display and imaging applications

Hakan Urey

Proceedings Volume 5604, (2004) https://doi.org/10.1117/12.580450

KEYWORDS: Scanners, Mirrors, Actuators, Electromagnetism, Microelectromechanical systems, Silicon, Finite element methods, Magnetism, Optical resolution, Light sources

Read Abstract +

Proceedings Article | 1 September 2004 Paper

Paper

Microlens array-based exit pupil expander for full-color display applications

Hakan Urey, Karlton Powell

Proceedings Volume 5456, (2004) https://doi.org/10.1117/12.547463

KEYWORDS: Microlens, Microlens array, Diffraction, Photoresist materials, Diffractive optical elements, Diffraction gratings, Grayscale lithography, Tolerancing, Optical alignment, Micro optics

Read Abstract +

Proceedings Article | 17 August 2004 Paper

Paper

Interferometric methods for static and dynamic characterizations of micromembranes for sensing functions

Leszek Salbut, Jacek Kacperski, Adam Styk, Michal Jozwik, Christophe Gorecki, Hakan Urey, Alain Jacobelli, Thierry Dean

Proceedings Volume 5458, (2004) https://doi.org/10.1117/12.545574

KEYWORDS: Interferometry, Semiconducting wafers, Manufacturing, Silicon, Electrodes, Phase interferometry, Shape analysis, Ferroelectric materials, Bessel functions, Statistical analysis

Read Abstract +

Proceedings Article | 16 August 2004 Paper

Paper

Analysis of parametric resonances in comb-driven microscanners

Caglar Ataman, Ozgur Kaya, Hakan Urey

Proceedings Volume 5455, (2004) https://doi.org/10.1117/12.547444

KEYWORDS: Actuators, Scanners, Mirrors, Differential equations, Measurement devices, Microelectromechanical systems, Oscillators, Capacitance, Solids, Computer simulations

Read Abstract +

Proceedings Article | 24 January 2004 Paper

Paper

Nonlinear frequency response of comb-driven microscanners

Caglar Ataman, Hakan Urey

Proceedings Volume 5348, (2004) https://doi.org/10.1117/12.531005

KEYWORDS: Mirrors, Actuators, Differential equations, Motion models, Numerical simulations, Instrument modeling, Capacitance, Microelectromechanical systems, Complex systems, Micromirrors

Read Abstract +

Proceedings Article | 20 January 2003 Paper

Paper

MEMS raster correction scanner for SXGA resolution retinal scanning display

Hakan Urey, Frank DeWitt, Peggy Lopez, Jason Tauscher

Proceedings Volume 4985, (2003) https://doi.org/10.1117/12.477811

KEYWORDS: Scanners, Raster graphics, Mirrors, Semiconducting wafers, Copper, Aluminum, Microelectromechanical systems, Gold, Electromagnetism, Plating

Read Abstract +

Proceedings Article | 5 August 2002 Paper

Paper

Novel approach to exit pupil expansion for wearable displays

Karlton Powell, Hakan Urey

Proceedings Volume 4711, (2002) https://doi.org/10.1117/12.478876

KEYWORDS: Diffraction, Microlens, Fourier transforms, Displays, Eye, Manufacturing, Scanners, Microlens array, Beam propagation method, Near field

Read Abstract +

Proceedings Article | 5 August 2002 Paper

Paper

Optical scanners for high-resolution RSD systems

Hakan Urey, Frank DeWitt, Selso Luanava

Proceedings Volume 4711, (2002) https://doi.org/10.1117/12.478874

KEYWORDS: Mirrors, Scanners, Finite element methods, Silicon, Magnetism, Aluminum, Metals, Raster graphics, Performance modeling, Actuators

Read Abstract +

Proceedings Article | 4 June 2002 Paper

Paper

Torsional MEMS scanner design for high-resolution scanning display systems

Hakan Urey

Proceedings Volume 4773, (2002) https://doi.org/10.1117/12.469198

KEYWORDS: Scanners, Mirrors, Microelectromechanical systems, Silicon, Displays, Polygon scanners, Magnetism, Laser scanners, 3D scanning, Actuators

Read Abstract +

Proceedings Article | 27 December 2001 Paper

Paper

Measurement of the dynamic deformation of a high-frequency scanning mirror using a Shack-Hartmann wavefront sensor

Margaret Brown, Timothy Gong, Daniel Neal, James Roller, Selso Luanava, Hakan Urey

Proceedings Volume 4451, (2001) https://doi.org/10.1117/12.453645

KEYWORDS: Mirrors, Wavefront sensors, Wavefronts, Interferometers, Finite element methods, CCD image sensors, Sensors, CCD cameras, Semiconductor lasers, Electronics

Read Abstract +

Proceedings Article | 2 October 2001 Paper

Paper

High-frequency raster pinch correction scanner for retinal scanning displays

Hakan Urey, Frank DeWitt, Karlton Powell, Mircea Bayer

Proceedings Volume 4561, (2001) https://doi.org/10.1117/12.443107

KEYWORDS: Scanners, Raster graphics, Mirrors, Magnetism, Finite element methods, Tolerancing, Actuators, Silicon, Microelectromechanical systems, Retinal scanning

Read Abstract +

Proceedings Article | 22 August 2001 Paper

Paper

Multibeam bidirectional raster scanning in retinal scanning displays

Karlton Powell, Hakan Urey, Mircea Bayer

Proceedings Volume 4361, (2001) https://doi.org/10.1117/12.438009

KEYWORDS: Raster graphics, Retinal scanning, Scanners, Head-mounted displays, Information operations, Phase shifts, Mirrors, Retina, Eye, Video

Read Abstract +

Proceedings Article | 22 August 2000 Paper

Paper

Performance of a biaxial MEMS-based scanner for microdisplay applications

David Wine, Mark Helsel, Lorne Jenkins, Hakan Urey, Thor Osborn

Proceedings Volume 4178, (2000) https://doi.org/10.1117/12.396487

KEYWORDS: Scanners, Video, Microelectromechanical systems, Mirrors, CRTs, Electronics, Digital signal processing, Modulation, Head-mounted displays, Raster graphics

Read Abstract +

Proceedings Article | 22 August 2000 Paper

Paper

Optical performance requirements for MEMS-scanner-based microdisplays

Hakan Urey, David Wine, Thor Osborn

Proceedings Volume 4178, (2000) https://doi.org/10.1117/12.396486

KEYWORDS: Scanners, Mirrors, Microelectromechanical systems, Raster graphics, Optical resolution, Video, Displays, Image quality, Image resolution, Modulation

Read Abstract +

Proceedings Article | 23 June 2000 Paper

Paper

Optical advantages in retinal scanning displays

Hakan Urey

Proceedings Volume 4021, (2000) https://doi.org/10.1117/12.389158

KEYWORDS: Head-mounted displays, CRTs, Scanners, Light sources, Display technology, Retinal scanning, Semiconductor lasers, Image resolution, Light emitting diodes, Wafer-level optics

Read Abstract +

Proceedings Article | 12 July 1999 Paper

Paper

Optics designs and system MTF for laser scanning displays

Hakan Urey, Ned Nestorovic, Baldwin Ng, Abraham Gross

Proceedings Volume 3689, (1999) https://doi.org/10.1117/12.352836

KEYWORDS: Modulation transfer functions, Scanners, Laser scanners, Electronics, Modulators, Relays, Head-mounted displays, Light sources, Displays, Laser systems engineering

Read Abstract +

Proceedings Article | 12 April 1999 Paper

Paper

Scanner design and resolution trade-offs for miniature scanning displays

Hakan Urey, David Wine, John Lewis

Proceedings Volume 3636, (1999) https://doi.org/10.1117/12.344656

KEYWORDS: Mirrors, Scanners, Light sources, Spatial resolution, Displays, Retina, Optical resolution, Image processing, Signal processing, Head-mounted displays

Read Abstract +

Proceedings Article | 22 May 1998 Paper

Paper

Nonimaging optical methods for measuring Fourier components of moving incoherently illuminated objects

William Rhodes, Gisele Welch, Hakan Urey

Proceedings Volume 3490, (1998) https://doi.org/10.1117/12.308866

KEYWORDS: Sensors, Spatial frequencies, Signal detection, Inspection, Modulation, Fringe analysis, Phase shift keying, Nonimaging optics, Fourier transforms, Imaging systems

Read Abstract +

Proceedings Article | 24 October 1997 Paper

Paper

Aberration accumulation and correction for imaging through high-resolution thick media

Hakan Urey, Frederick McCormick

Proceedings Volume 3159, (1997) https://doi.org/10.1117/12.284197

KEYWORDS: Monochromatic aberrations, Imaging systems, Tolerancing, Digital video discs, Optical storage, Aberration correction, Diffraction, Spatial light modulators, Aspheric lenses, Optical design

Read Abstract +

Proceedings Article | 24 October 1997 Paper

Paper

High-signal-to-noise-ratio image processing in low-signal-to-bias-ratio environments

Hakan Urey, William Rhodes, H. John Caulfield, Zafer Urey

Proceedings Volume 3159, (1997) https://doi.org/10.1117/12.284198

KEYWORDS: Cameras, Signal detection, Image processing, Sensors, Pyroelectric detectors, Optical transfer functions, Signal to noise ratio, Signal processing, Polarization, Modulation

Read Abstract +

Proceedings Article | 1 November 1996 Paper

Paper

Optoelectronic image processor for Gabor filter-based machine vision applications

Hakan Urey, William Rhodes

Proceedings Volume 2848, (1996) https://doi.org/10.1117/12.256145

KEYWORDS: Image processing, Sensors, Optical transfer functions, Optical filters, Detector arrays, Binary data, Image filtering, Image sensors, Optoelectronics, Modulation

Read Abstract +

Showing 5 of 49 publications

Proceedings Volume Editor (7)

SPIE Conference Volume | 28 May 2008

MEMS, MOEMS, and Micromachining III

SPIE Conference Volume | 21 April 2006

MEMS, MOEMS, and Micromachining II

SPIE Conference Volume | 21 January 2006

MOEMS Display, Imaging, and Miniaturized Microsystems IV

SPIE Conference Volume | 22 January 2005

MOEMS Display and Imaging Systems III

SPIE Conference Volume | 16 August 2004

MEMS, MOEMS, and Micromachining

Showing 5 of 7 publications

Conference Committee Involvement (11)

MEMS, MOEMS and Micromachining

9 April 2008 | Strasbourg, France

MOEMS and Miniaturized Systems VII

22 January 2008 | San Jose, California, United States

MOEMS and Miniaturized Systems VI

24 January 2007 | San Jose, California, United States

Optomechatronic Micro/Nano Devices and Components II

4 October 2006 | Boston, Massachusetts, United States

MEMS, MOEMS, and Micromachining II

3 April 2006 | Strasbourg, France

Showing 5 of 11 Conference Committees

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