Dr. Gultekin Gulsen Profile

Dr. Gultekin Gulsen

Associate Professor at Univ of California Irvine-Research Imaging Ctr

SPIE Involvement:

Conference Program Committee | Author

Publications (56)

Proceedings Article | 13 March 2024 Presentation + Paper

Improving the performance and convergence speed of photo magnetic imaging reconstruction algorithm using convolutional neural networks

Farouk Nouizi, Gyanesh Shah, Janaki Saraswatula, Maha Algarawi, Rajas Rajendra Pathare, Yang Zhang, Hakan Erkol, Gultekin Gulsen

Proceedings Volume 12857, 1285704 (2024) https://doi.org/10.1117/12.3003404

KEYWORDS: Reconstruction algorithms, Tumors, Absorption, Diffusion, Image processing, Convolutional neural networks

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Proceedings Article | 13 March 2024 Presentation

Monitoring distribution of the therapeutic agent dimethyl sulfoxide (DMSO) with hyperspectral excitation-resolved near-infrared fluorescence imaging

Farouk Nouizi, Jaedu Cho, Chang-Seok Kim, Gultekin Gulsen

Proceedings Volume PC12846, PC128460J (2024) https://doi.org/10.1117/12.3005062

KEYWORDS: Therapeutic agents, Fluorescence imaging, In vivo imaging, Visualization, Turbidity, Solubility, Skin, Reflection, Permeability, Near infrared

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Proceedings Article | 13 March 2024 Presentation

ThermoDots: temperature modulated fluorescent contrast agents for high resolution fluorescence imaging

Farouk Nouizi, Tiffany Kwong, Uma Sampathkumaran, Gultekin Gulsen

Proceedings Volume PC12862, PC128620F (2024) https://doi.org/10.1117/12.3005052

KEYWORDS: Fluorescence imaging, Modulation, In vivo imaging, Image resolution, Fluorescence, Contrast agents, Tumors, Near infrared, Quantum efficiency, Cancer detection

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Proceedings Article | 7 March 2023 Presentation

A continuous line scanning method for fast temperature modulated fluorescence tomography

Farouk Nouizi, Hakan Erkol, Deniz Nikkhah, Tiffany Kwong, Gultekin Gulsen

Proceedings Volume PC12376, PC123760Q (2023) https://doi.org/10.1117/12.2651104

KEYWORDS: Fluorescence tomography, Modulation, In vivo imaging, Tissues, Luminescence, Ultrasonography, Tissue optics, Scattering, Quantum efficiency, Prototyping

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Proceedings Article | 6 March 2023 Presentation

Multiwavelength photo-magnetic imaging: a novel high-resolution optical molecular imaging modality

Farouk Nouizi, Maha Algarawi, Hakan Erkol, Gultekin Gulsen

Proceedings Volume PC12371, PC1237109 (2023) https://doi.org/10.1117/12.2651097

KEYWORDS: Geometrical optics, Molecular imaging, Tissue optics, Magnetic resonance imaging, Absorption, 3D modeling, Tissues, Laser tissue interaction, Laser therapeutics, Finite element methods

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Proceedings Article | 4 March 2022 Presentation + Paper

Implementation of a combined theranostic x-ray irradiator/fluorescence imaging system for automatic assessment of tumor vascular response to radiation therapy

Farouk Nouizi, Jamison Brooks, Darren Zuro, Susanta Hui, Gultekin Gulsen

Proceedings Volume 11944, 1194405 (2022) https://doi.org/10.1117/12.2609168

KEYWORDS: Tumors, Radiotherapy, Imaging systems, X-rays, X-ray imaging, CCD cameras, Principal component analysis, Luminescence, Kidney, Tissues

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Proceedings Article | 4 March 2022 Presentation + Paper

Photo‐magnetic imaging: a new functional imaging modality for more accurate photothermal therapy planning

Farouk Nouizi, Maha Algarawi, Hakan Erkol, Alex Luk, Gultekin Gulsen

Proceedings Volume 11940, 1194006 (2022) https://doi.org/10.1117/12.2610298

KEYWORDS: Absorption, Tissue optics, Near infrared, Laser therapeutics, Temperature metrology, Chromophores, Inverse optics, Image restoration, Laser scattering, Reconstruction algorithms

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Proceedings Article | 1 March 2019 Paper

CCD-based temperature modulated fluorescence tomography

Mehrnaz Mehrabi, Farouk Nouizi, Maha Algarawi, Tiffany Kwong, Hakan Erkol, Uma Sampathkumaran, Gultekin Gulsen

Proceedings Volume 10874, 108740Y (2019) https://doi.org/10.1117/12.2508931

KEYWORDS: Luminescence, Fourier transforms, Tissues, CCD cameras, Imaging systems, Fluorescence tomography, In vivo imaging, Binary data, Modulation, Signal detection, Optical imaging, Indocyanine green, Medical image reconstruction, Medical imaging

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Proceedings Article | 27 February 2019 Paper

High-resolution chromophore concentration recovery using multi-wavelength photo-magnetic imaging

Maha Algarawi, Farouk Nouizi, Alex Luk, Mehrnaz Mehrabi, Hakan Erkol, Mehmet Burçin Ünlü, Gultekin Gulsen, Seunghoon Ha

Proceedings Volume 10871, 108710F (2019) https://doi.org/10.1117/12.2504310

KEYWORDS: Absorption, Chromophores, Temperature metrology, Spatial resolution, Inverse problems, Finite element methods, Magnetic resonance imaging, Image restoration, Near infrared

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Proceedings Article | 14 March 2017 Paper

Multispectral fluorescence diffuse optical tomography

Pei-An Lo, Jaedu Cho, Farouk Nouizi, Huihua Kenny Chiang, Gultekin Gulsen

Proceedings Volume 10056, 100560Z (2017) https://doi.org/10.1117/12.2251363

KEYWORDS: Luminescence, Diffuse optical tomography, Fluorescence tomography, Optical imaging, Near infrared, In vivo imaging, Diffuse optical imaging, Absorption, Imaging systems, Charge-coupled devices, Fourier transforms, CT reconstruction, X-ray computed tomography, Reconstruction algorithms

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Proceedings Article | 26 April 2016 Presentation

A new analytical approach for heat generation in tissue due to laser excitation (Conference Presentation)

Hakan Erkol, Farouk Nouizi, Alex Luk, Mehmet Unlu, Gultekin Gulsen

Proceedings Volume 9706, 97060L (2016) https://doi.org/10.1117/12.2213684

KEYWORDS: Tissue optics, Biological research, Laser tissue interaction, Diffusion, Finite element methods, Temperature metrology, Absorption, Tissues, Geometrical optics, Convection

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Proceedings Article | 26 April 2016 Presentation

Excitation-resolved wide-field fluorescence imaging of indocyanine green visualizes the microenvironment properties in vivo via solvatochromic shift (Conference Presentation)

Jaedu Cho, Chang-Seok Kim, Gultekin Gulsen

Proceedings Volume 9700, 97000X (2016) https://doi.org/10.1117/12.2213875

KEYWORDS: Luminescence, Visualization, Indocyanine green, In vivo imaging, Tissues, Environmental sensing, Pollution control, Laser development, Imaging systems, Optical imaging

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Proceedings Article | 18 March 2016 Presentation + Paper

Monitoring gold nanoparticle distribution with high resolution using photo-magnetic imaging

Alex Luk, Farouk Nouizi, Michael Marks, Turkay Kart, Gultekin Gulsen

Proceedings Volume 9706, 97060M (2016) https://doi.org/10.1117/12.2213852

KEYWORDS: Tissues, Gold, Nanoparticles, Absorption, Magnetic resonance imaging, Temperature metrology, Finite element methods, Image resolution, Diffuse optical tomography, Thermography, Nanorods, Tissue optics, Diffusion, Reconstruction algorithms

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Proceedings Article | 18 March 2016 Paper

Multi-wavelength fluorescence tomography

Tiffany Kwong, Pei-An Lo, Jaedu Cho, Farouk Nouizi, Huihua Chiang, Chang-Seok Kim, Gultekin Gulsen

Proceedings Volume 9700, 97001A (2016) https://doi.org/10.1117/12.2213816

KEYWORDS: Scattering, Tissue optics, Diffuse optical tomography, Near infrared, Light scattering, Absorption, Tomography, Image quality, Optical filters, Fluorescence tomography, Luminescence

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Proceedings Article | 10 March 2016 Presentation + Paper

Thermal Outlining using Focused Ultrasound (TOFU) with reversible temperature sensitive fluorescent probes

Tiffany Kwong, Farouk Nouizi, Yuting Lin, Yue Zhu, Uma Sampathkumaran, Gultekin Gulsen

Proceedings Volume 9701, 97010L (2016) https://doi.org/10.1117/12.2213799

KEYWORDS: Ultrasonography, Fourier transforms, Absorption, Image resolution, Spatial resolution, Tissue optics, Luminescence, Light scattering, Scattering, Transducers

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Proceedings Article | 1 March 2016 Presentation + Paper

Diffuse optical tomography with structured-light patterns to quantify breast density

Jessica Kwong, Farouk Nouizi, Jaedu Cho, Jie Zheng, Yifan Li, Jeon-hor Chen, Min-Ying Su, Gultekin Gulsen

Proceedings Volume 9689, 968942 (2016) https://doi.org/10.1117/12.2213742

KEYWORDS: Tissue optics, Chromophores, Mammography, Absorption

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SPIE Journal Paper | 20 January 2016 Open Access

Experimental validation of a high-resolution diffuse optical imaging modality: photomagnetic imaging

Farouk Nouizi, Alex Luk, Dave Thayer, Yuting Lin, Seunghoon Ha, Gultekin Gulsen

JBO, Vol. 21, Issue 01, 016009, (January 2016) https://doi.org/10.1117/12.10.1117/1.JBO.21.1.016009

KEYWORDS: Absorption, Temperature metrology, Diffuse optical imaging, Magnetic resonance imaging, Tissue optics, Signal to noise ratio, Inverse optics, Tissues, Inverse problems, Diffusion

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Proceedings Article | 9 April 2015 Paper

High resolution 3D fluorescence tomography using ballistic photons

Jie Zheng, Farouk Nouizi, Jaedu Cho, Jessica Kwong, Gultekin Gulsen

Proceedings Volume 9319, 93191V (2015) https://doi.org/10.1117/12.2077748

KEYWORDS: Photons, Fluorescence tomography, Luminescence, Sensors, Image resolution, Spatial resolution, Imaging systems, Reconstruction algorithms, Preclinical imaging, Signal detection

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Proceedings Article | 12 March 2015 Paper

Excitation light leakage suppression using temperature sensitive fluorescent agents

Farouk Nouizi, Tiffany Kwong, Jessica Kwong, Jaedu Cho, Yuwen Chan, Uma Sampathkumaran, Yue Zhu, Maksudul Alam, Gultekin Gulsen

Proceedings Volume 9319, 93190Y (2015) https://doi.org/10.1117/12.2080630

KEYWORDS: Luminescence, Temperature metrology, Data acquisition, Fluorescence tomography, Optical filters, Filtering (signal processing), CCD cameras, Absorption, 3D image processing, Scattering

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Proceedings Article | 12 March 2015 Paper

Activatable thermo-sensitive ICG encapsulated pluronic nanocapsules for temperature sensitive fluorescence tomography

Tiffany Kwong, Farouk Nouizi, Uma Sampathkumaran, Yue Zhu, Maksudul Alam, Gultekin Gulsen

Proceedings Volume 9339, 93390C (2015) https://doi.org/10.1117/12.2080189

KEYWORDS: Luminescence, Tumors, Temperature metrology, In vivo imaging, Fluorescence tomography, Tomography, Tissues, Fourier transforms, Indocyanine green, Polymers

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Proceedings Article | 5 March 2015 Paper

Diffuse optical imaging of the breast using structured-light

Jessica Kwong, Farouk Nouizi, Jaedu Cho, Jie Zheng, Yifan Li, Jeon-hor Chen, Min-Ying Su, Gultekin Gulsen

Proceedings Volume 9319, 93190K (2015) https://doi.org/10.1117/12.2079805

KEYWORDS: Breast, Absorption, Diffuse optical imaging, Tissue optics, Tissues, Breast cancer, Reconstruction algorithms, Mammography, CCD cameras, Optical imaging

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Proceedings Article | 4 March 2014 Paper

Development of a spectrally resolved fluorescence tomography system using a NIR swept laser and a digital micromirror array based detection system

Jaedu Cho, Seung Woan Jeon, Jie Zheng, Chang-Seok Kim, Orhan Nalcioglu, Gultekin Gulsen

Proceedings Volume 8947, 89470Z (2014) https://doi.org/10.1117/12.2041151

KEYWORDS: Near infrared, Digital micromirror devices, Fourier transforms, Luminescence, Absorption, Fluorescence tomography, Micromirrors, Neodymium, Laser development, Sensors

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Proceedings Article | 3 March 2014 Paper

A true multi-modality approach for high resolution optical imaging: photo-magnetic imaging

Alex Luk, Seunghoon Ha, Farouk Nouizi, David Thayer, Yuting Lin, Gultekin Gulsen

Proceedings Volume 8937, 89370G (2014) https://doi.org/10.1117/12.2040870

KEYWORDS: Magnetic resonance imaging, Temperature metrology, Tissue optics, Absorption, Optical imaging, Image resolution, Imaging systems, Spatial resolution, Finite element methods, Thermometry

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Proceedings Article | 17 February 2014 Paper

Validation of temperature-modulated fluorescence tomography in vivo

Tiffany Kwong, Farouk Nouizi, Yuting Lin, Rushi Rajyaguru, Trinh Nguyen, Lara Alptekin, Uma Sampathkumaran, Yue Zhu, Shaaz Ahmed, Gultekin Gulsen

Proceedings Volume 8937, 89370H (2014) https://doi.org/10.1117/12.2040878

KEYWORDS: Luminescence, Fourier transforms, Ultrasonography, Fluorescence tomography, Modulation, Tissues, In vivo imaging, Signal detection, Spatial resolution, Scattering

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Proceedings Article | 17 February 2014 Paper

Simulation of optical breast density measurements using structured light illumination

Jessica Kwong, Farouk Nouizi, Yifan Li, Jeon-Hor Chen, Min-Ying Su, Gultekin Gulsen

Proceedings Volume 8937, 893717 (2014) https://doi.org/10.1117/12.2058092

KEYWORDS: Breast, Absorption, Tissues, Magnetic resonance imaging, Tissue optics, Chromophores, Breast cancer, Optical testing, Laser imaging, Structured light

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Proceedings Article | 25 March 2013 Paper

Diffuse optical tomography using wavelength-swept laser

Jaedu Cho, Gukbin Lim, Myung Yung Jeong, Orhan Nalcioglu, Chang-Seok Kim, Gultekin Gulsen

Proceedings Volume 8578, 85780U (2013) https://doi.org/10.1117/12.2004831

KEYWORDS: Fiber optics, Light sources, Sagnac interferometers, Diffuse optical tomography, Modulation, Sensors, Laser systems engineering, Near infrared, Fiber lasers, Light emitting diodes

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Proceedings Article | 13 March 2013 Paper

A novel high-resolution optical imaging modality: photo-magnetic imaging

Alex Luk, David Thayer, Yuting Lin, Farouk Nouizi, Hao Gao, Gultekin Gulsen

Proceedings Volume 8574, 857404 (2013) https://doi.org/10.1117/12.2003614

KEYWORDS: Magnetic resonance imaging, Tissue optics, Absorption, Temperature metrology, Inverse optics, Diffusion, Optical imaging, Tissues, Thermometry, Spatial resolution

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Proceedings Article | 13 March 2013 Paper

Temperature-modulated fluorescence tomography: modulating tissue temperature using HIFU for high-resolution in vivo fluorescence tomography

Tiffany Kwong, Farouk Nouizi, Yuting Lin, Uma Sampathkumaran, Shaaz Ahmed, Gultekin Gulsen

Proceedings Volume 8574, 857405 (2013) https://doi.org/10.1117/12.2004836

KEYWORDS: Luminescence, Fluorescence tomography, Ultrasonography, Modulation, Tissues, In vivo imaging, Image resolution, Signal detection, Temperature metrology, Transducers

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Proceedings Article | 13 March 2013 Paper

Validation of diffuse optical tomography using a bi-functional optical-MRI contrast agent and a hybrid MRI-DOT system

Alex Luk, Yuting Lin, Brian Grimmond, Anup Sood, Egidijus Uzgiris, Orhan Nalcioglu, Gultekin Gulsen

Proceedings Volume 8574, 85740K (2013) https://doi.org/10.1117/12.2003606

KEYWORDS: Magnetic resonance imaging, Diffuse optical tomography, Imaging systems, Bladder, Optical imaging, Tissue optics, Spatial resolution, Gold, In vivo imaging, Absorption

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Proceedings Article | 4 March 2013 Paper

Design of a rotational ultrasound guided diffuse optical tomography system for whole breast imaging

Zixin Deng, Yuting Lin, Kenji Ikemura, Michael Tseng, Yu-Wen Chan, Gultekin Gulsen

Proceedings Volume 8581, 85813P (2013) https://doi.org/10.1117/12.2005805

KEYWORDS: Ultrasonography, Sensors, Transducers, Absorption, Breast, Diffuse optical tomography, Imaging systems, Interfaces, Breast cancer, Magnetic resonance imaging

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SPIE Journal Paper | 18 December 2012 Open Access

In vivo validation of quantitative frequency domain fluorescence tomography

Yuting Lin, Michael Ghijsen, Orhan Nalcioglu, Gultekin Gulsen

JBO, Vol. 17, Issue 12, 126021, (December 2012) https://doi.org/10.1117/12.10.1117/1.JBO.17.12.126021

KEYWORDS: Magnetic resonance imaging, Fourier transforms, Luminescence, In vivo imaging, Fluorescence tomography, Imaging systems, Optical properties, Tissue optics, Optical calibration, Tissues

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SPIE Journal Paper | 4 May 2012 Open Access

Temperature-modulated fluorescence tomography based on both concentration and lifetime contrast

Yuting Lin, Tiffany Kwong, Gultekin Gulsen, Linden Bolisay

JBO, Vol. 17, Issue 5, 056007, (May 2012) https://doi.org/10.1117/12.10.1117/1.JBO.17.5.056007

KEYWORDS: Luminescence, Fluorescence tomography, Imaging systems, Temperature metrology, Ultrasonography, Spatial resolution, Quantum efficiency, Scattering, Modulation, Signal detection

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SPIE Journal Paper | 1 October 2011 Open Access

Tumor characterization in small animals using magnetic resonance-guided dynamic contrast enhanced diffuse optical tomography

Yuting Lin, David Thayer, Orhan Nalcioglu, Gultekin Gulsen

JBO, Vol. 16, Issue 10, 106015, (October 2011) https://doi.org/10.1117/12.10.1117/1.3643342

KEYWORDS: Tumors, Magnetic resonance imaging, Absorption, Tissues, Image enhancement, Magnetism, Diffuse optical tomography, Breast, Imaging systems, In vivo imaging

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Proceedings Article | 1 March 2011 Paper

Shape-guided complex-source fluorescence tomography

Yuting Lin, Hao Gao, Gultekin Gulsen

Proceedings Volume 7896, 78960Y (2011) https://doi.org/10.1117/12.885008

KEYWORDS: Fourier transforms, Luminescence, Fluorescence tomography, Reconstruction algorithms, Sensors, Data modeling, Imaging systems, Tissue optics, Diffuse optical tomography, Optical tomography

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Proceedings Article | 21 February 2011 Paper

Development of a hybrid MRI and fluorescence tomography system for small animal imaging

Michael Ghijsen, Yuting Lin, Orhan Nalcioglu, Gultekin Gulsen

Proceedings Volume 7892, 789212 (2011) https://doi.org/10.1117/12.881166

KEYWORDS: Magnetic resonance imaging, Luminescence, Imaging systems, Fourier transforms, Fluorescence tomography, Sensors, Preclinical imaging, Signal detection, Interfaces, Aspheric lenses

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Proceedings Article | 10 February 2011 Paper

In vivo tumor characterization using both MR and optical contrast agents with a hybrid MRI-DOT system

Yuting Lin, Michael Ghijsen, David Thayer, Orhan Nalcioglu, Gultekin Gulsen

Proceedings Volume 7892, 78920Z (2011) https://doi.org/10.1117/12.879028

KEYWORDS: Tumors, Magnetic resonance imaging, Absorption, Tissues, Tissue optics, Sensors, In vivo imaging, Breast, Diffuse optical tomography, Geometrical optics

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Proceedings Article | 10 February 2011 Paper

In vivo comparison of kinetics of saline and ICG for the detection of normal and tumor tissue using NIR diffuse optical technique

Ning Liu, Orhan Nalcioglu, Gultekin Gulsen

Proceedings Volume 7892, 789210 (2011) https://doi.org/10.1117/12.880976

KEYWORDS: Tumors, Tissue optics, Veins, Absorbance, Absorption, Near infrared, Tissues, Optical fibers, In vivo imaging, Indocyanine green

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Proceedings Article | 10 February 2011 Paper

Tumor characterization by chromophore concentrations in small animals using a hybrid MRI-DOT system

Mitchell Hsing, Yuting Lin, Mehmet Burcin Unlu, Orhan Nalcioglu, Gultekin Gulsen

Proceedings Volume 7892, 78920L (2011) https://doi.org/10.1117/12.879029

KEYWORDS: Tumors, Magnetic resonance imaging, Chromophores, Tissues, In vivo imaging, Diffuse optical tomography, Data acquisition, Imaging systems, Interfaces, Sensors

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SPIE Journal Paper | 1 July 2010 Open Access

Quantitative fluorescence tomography using a trimodality system: in vivo validation

Yuting Lin, William Barber, Jan Iwanczyk, Werner Roeck, Orhan Nalcioglu, Gultekin Gulsen

JBO, Vol. 15, Issue 04, 040503, (July 2010) https://doi.org/10.1117/12.10.1117/1.3467495

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Proceedings Article | 12 March 2010 Paper

A hybrid fluorescence tomography and x-ray CT system for quantitative molecular imaging

Yuting Lin, William Barber, Jan Iwanczk, Werner Roeck, Orhan Nalcioglu, Gultekin Gulsen

Proceedings Volume 7557, 75570A (2010) https://doi.org/10.1117/12.842773

KEYWORDS: X-ray computed tomography, Imaging systems, Fourier transforms, Molecular imaging, X-rays, Luminescence, Image restoration, Fluorescence tomography, X-ray imaging, CT reconstruction

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Proceedings Article | 11 March 2010 Paper

Bioluminescence tomography with structural and functional a priori information

Han Yan, Mehmet Unlu, Orhan Nalcioglu, Gultekin Gulsen

Proceedings Volume 7557, 755712 (2010) https://doi.org/10.1117/12.842808

KEYWORDS: Bioluminescence, Tomography, Absorption, Imaging systems, Diffuse optical tomography, X-ray computed tomography, Scattering, X-ray imaging, X-rays, In vivo imaging

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Proceedings Article | 25 February 2010 Paper

Design of a multimodality breast-like phantom for combined diffuse optical tomography and ultrasound tomography (DOT-UST)

Michael Ghijsen, Burcin Unlu, Orhan Nalcioglu, Gultekin Gulsen

Proceedings Volume 7567, 75670H (2010) https://doi.org/10.1117/12.843028

KEYWORDS: Signal attenuation, Ultrasonography, Acoustics, Transducers, Glasses, Tissue optics, Breast, Ultrasound tomography, Diffuse optical tomography, Scattering

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Proceedings Article | 24 February 2010 Paper

Evaluation of a multi-wavelength laser array with diffuse optical tomography

Michael Ghijsen, Tiffany Zhou, David Thayer, Baris Gun, Gultekin Gulsen

Proceedings Volume 7557, 755715 (2010) https://doi.org/10.1117/12.843318

KEYWORDS: Semiconductor lasers, Spectroscopy, Sensors, Absorption, Data acquisition, Diffuse optical tomography, Chromophores, Tissues, Calibration, Optical arrays

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Proceedings Article | 24 February 2010 Paper

Development of a combined multifrequency MRI-DOT system for human breast imaging using a priori information

David Thayer, Ning Liu, Burcin Unlu, Jeon-Hor Chen, Min-Ying Su, Orhan Nalcioglu, Gultekin Gulsen

Proceedings Volume 7557, 755711 (2010) https://doi.org/10.1117/12.842764

KEYWORDS: Magnetic resonance imaging, Imaging systems, Breast cancer, Sensors, Cancer, Breast, Breast imaging, Mammography, Absorption, Optical fibers

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Proceedings Article | 24 February 2010 Paper

A multimodal contrast agent for simultaneous magnetic resonance and optical imaging of small animal

M. Unlu, Y. Lin, B. Grimmond, A. Sood, E. Uzgiris, O. Nalcioglu, G. Gulsen

Proceedings Volume 7557, 75570C (2010) https://doi.org/10.1117/12.843240

KEYWORDS: Magnetic resonance imaging, Tumors, Absorption, Magnetism, Optical imaging, In vivo imaging, Tissue optics, Image enhancement, Signal detection, Fiber optics

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Proceedings Article | 10 July 2009 Paper

Effect of source decay in bioluminescence tomography: a phantom study

Han Yan, Mehmet Unlu, Orhan Nalcioglu, Gultekin Gulsen

Proceedings Volume 7369, 73691O (2009) https://doi.org/10.1117/12.831646

KEYWORDS: Bioluminescence, Tomography, Data acquisition, Diffusion, Absorption, Bandpass filters, Acquisition tracking and pointing, Optical filters, Image filtering, In vivo imaging

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Proceedings Article | 10 July 2009 Paper

Fiber bundle based fluorescence tomography system for human breast imaging

Yuting Lin, Orhan Nalcioglu, Gultekin Gulsen

Proceedings Volume 7371, 737108 (2009) https://doi.org/10.1117/12.831770

KEYWORDS: Luminescence, Fourier transforms, Imaging systems, Sensors, Phase measurement, Bandpass filters, Fluorescence tomography, Breast imaging, Collimation, Absorption

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Proceedings Article | 1 July 2009 Paper

Dual-modality molecular imaging for small animals using fluorescence and x-ray computed tomography

Yuting Lin, William Barber, Jan Iwanczyk, Einar Nygard, Nail Malakov, Neal Hartsough, Thulasi Gandhi, Werner Roeck, Orhan Nalcioglu, Gultekin Gulsen

Proceedings Volume 7370, 73700G (2009) https://doi.org/10.1117/12.831719

KEYWORDS: Fourier transforms, Luminescence, X-ray computed tomography, Absorption, Molecular imaging, X-rays, Inverse optics, Imaging systems, Charge-coupled devices, Biomedical optics

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SPIE Journal Paper | 1 November 2008 Open Access

Simultaneous in vivo dynamic magnetic resonance-diffuse optical tomography for small animal imaging

Mehmet Unlu, Yuting Lin, Ozlem Birgul, Orhan Nalcioglu, Gultekin Gulsen

JBO, Vol. 13, Issue 06, 060501, (November 2008) https://doi.org/10.1117/12.10.1117/1.3041165

KEYWORDS: Magnetic resonance imaging, Tumors, Absorption, Magnetism, Imaging systems, Image enhancement, In vivo imaging, Optical tomography, Preclinical imaging, Breast cancer

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Proceedings Article | 19 February 2008 Paper

Correction for source decay in bioluminescence tomography

Mehmet Burcin Unlu, Gultekin Gulsen

Proceedings Volume 6850, 685010 (2008) https://doi.org/10.1117/12.768039

KEYWORDS: Bioluminescence, Tomography, In vivo imaging, Charge-coupled devices, Data acquisition, Data corrections, Data modeling, Inverse problems, Diffusion, CCD cameras

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Proceedings Article | 14 February 2008 Paper

Fluorescence diffuse optical tomography with structural a priori information

Yuting Lin, Orhan Nalcioglu, Gultekin Gulsen

Proceedings Volume 6850, 68500Z (2008) https://doi.org/10.1117/12.764080

KEYWORDS: Luminescence, Diffuse optical tomography, Fourier transforms, Biomedical optics, Molecular imaging

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Proceedings Article | 20 February 2007 Paper

Simultaneous monitoring of multiple contrast agents using a hybrid MR-DOT system

Gultekin Gulsen, Mehmet Burcin Unlu, Ozlem Birgul, Orhan Nalcioglu

Proceedings Volume 6431, 64310D (2007) https://doi.org/10.1117/12.701439

KEYWORDS: Magnetic resonance imaging, Absorption, Imaging systems, Data acquisition, Tumors, Sensors, Tissue optics, Spectroscopy, In vivo imaging, Breast cancer

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SPIE Journal Paper | 1 September 2006 Open Access

Diffuse optical tomographic reconstruction using multifrequency data

Mehmet Unlu, Ozlem Birgul, Roshanak Shafiiha, Gultekin Gulsen, Orhan Nalcioglu

JBO, Vol. 11, Issue 05, 054008, (September 2006) https://doi.org/10.1117/12.10.1117/1.2363370

KEYWORDS: Modulation, Absorption, Signal to noise ratio, Phase shift keying, Inverse optics, Tissue optics, Calibration, Scattering, Tomography, Image quality

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SPIE Journal Paper | 1 January 2006 Open Access

Design and implementation of a multifrequency near-infrared diffuse optical tomography system

Gultekin Gulsen, Bin Xiong, Ozlem Birgul, Orhan Nalcioglu

JBO, Vol. 11, Issue 01, 014020, (January 2006) https://doi.org/10.1117/12.10.1117/1.2161199

KEYWORDS: Modulation, Absorption, Calibration, Signal detection, Sensors, Scattering, Image quality, Fiber optics, Data acquisition, Network security

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Proceedings Article | 13 April 2005 Paper

High-speed polarization-sensitive optical coherence tomography for the investigation of tissue birefringence

Gultekin Gulsen, Orhan Nalcioglu

Proceedings Volume 5690, (2005) https://doi.org/10.1117/12.591083

KEYWORDS: Polarization, Optical coherence tomography, Jones vectors, Birefringence, Wave plates, Beam splitters, Tissue optics, Calibration, Mirrors, Tissues

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Proceedings Article | 29 July 2003 Paper

Hybrid DOT and MRI system

Gultekin Gulsen, Ozlem Birgul, Orhan Nalcioglu

Proceedings Volume 4955, (2003) https://doi.org/10.1117/12.478189

KEYWORDS: Magnetic resonance imaging, Sensors, Tissues, Tumors, Calibration, Finite element methods, Signal detection, Optical properties, Switches, Power supplies

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Showing 5 of 56 publications

Conference Committee Involvement (17)

Multimodal Biomedical Imaging XX

25 January 2025 | San Francisco, California, United States

Multimodal Biomedical Imaging XIX

27 January 2024 | San Francisco, California, United States

Multimodal Biomedical Imaging XVIII

28 January 2023 | San Francisco, California, United States

Multimodal Biomedical Imaging XVII

22 January 2022 | San Francisco, California, United States

Multimodal Biomedical Imaging XVI

6 March 2021 | Online Only, California, United States

Multimodal Biomedical Imaging XV

1 February 2020 | San Francisco, California, United States

Multimodal Biomedical Imaging XIV

2 February 2019 | San Francisco, California, United States

Multimodal Biomedical Imaging XIII

27 January 2018 | San Francisco, California, United States

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

Multimodal Biomedical Imaging VI

22 January 2011 | San Francisco, California, United States

Multimodal Biomedical Imaging V

23 January 2010 | San Francisco, California, United States

Multimodal Biomedical Imaging IV

24 January 2009 | San Jose, California, United States

Multimodal Biomedical Imaging III

19 January 2008 | San Jose, California, United States

Showing 5 of 17 Conference Committees

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