Dr. Dimitris Gorpas
Group Leader at Helmholtz Zentrum München GmbH
SPIE Involvement:
Author | Special Event Speaker
Area of Expertise:
Biomedical Optics , Computer Vision , Fluorescence Molecular Imaging , Optical Imaging , Image Processing , Multimodal Imaging
Websites:
Publications (38)

SPIE Journal Paper | 15 November 2024 Open Access
Bas Keizers, Thomas S. Nijboer, Christa A. van der Fels, Marius C. van den Heuvel, Gooitzen van Dam, Schelto Kruijff, Igle Jan de Jong, Max J. Witjes, Floris Voskuil, Dimitris Gorpas, Wesley Browne, Pieter van der Zaag
JBO, Vol. 30, Issue S1, S13708, (November 2024) https://doi.org/10.1117/12.10.1117/1.JBO.30.S1.S13708

SPIE Journal Paper | 18 July 2024 Open Access
JBO, Vol. 30, Issue S1, S13703, (July 2024) https://doi.org/10.1117/12.10.1117/1.JBO.30.S1.S13703
KEYWORDS: Signal to noise ratio, Imaging systems, Fluorescence, Quality control, Fluorescence imaging, Molecular imaging, Cameras, Tunable filters, Standards development, Signal intensity

SPIE Journal Paper | 5 April 2023 Open Access
Philipp Rauschendorfer, Georg Wissmeyer, Farouc A. Jaffer, Dimitris Gorpas, Vasilis Ntziachristos
JBO, Vol. 28, Issue 04, 046001, (April 2023) https://doi.org/10.1117/12.10.1117/1.JBO.28.4.046001
KEYWORDS: Blood, Signal attenuation, Capillaries, Tissues, Biological imaging, Attenuation correction, Intravascular ultrasound, Signal intensity, Arteries, Fluorescence intensity

SPIE Journal Paper | 27 June 2022 Open Access
JBO, Vol. 27, Issue 07, 074701, (June 2022) https://doi.org/10.1117/12.10.1117/1.JBO.27.7.074701
KEYWORDS: Standards development, Image quality standards, Biomedical optics, Tissues, Tissue optics, Luminescence, Imaging spectroscopy, Diffuse optical imaging, Silicon, Raman spectroscopy

SPIE Journal Paper | 16 February 2022 Open Access
Andrea Sterkenburg, Wouter T. Hooghiemstra, Iris Schmidt, Vasilis Ntziachristos, Wouter Nagengast, Dimitris Gorpas
JBO, Vol. 27, Issue 07, 074704, (February 2022) https://doi.org/10.1117/12.10.1117/1.JBO.27.7.074704
KEYWORDS: Luminescence, Imaging systems, Endoscopy, Standards development, Tissue optics, In vivo imaging, Optical properties, Tissues, Scattering, Clinical trials

Proceedings Article | 9 December 2021 Paper
Nian Liu, Patrick O'Connor, Vipul Gujrati, Dimitris Gorpas, Sarah Glasl, Andreas Blutke, Axel Walch, Karin Kleigrewe, Michael Sattler, Oliver Plettenburg, Vasilis Ntziachristos
Proceedings Volume 11923, 1192318 (2021) https://doi.org/10.1117/12.2615998
KEYWORDS: Optoacoustics, Near infrared, Nanoparticles, Tumors, Optical properties, Medicine, Medical research, Cancer, Analytical research, Transmission electron microscopy

Proceedings Article | 5 March 2021 Presentation
Proceedings Volume 11646, 116460N (2021) https://doi.org/10.1117/12.2583117
KEYWORDS: Structured light, Scattering media, Light scattering, Spatial resolution, Tissue optics, Scattering, Polarization, Latex, Laser scattering, Beam propagation method

SPIE Journal Paper | 22 May 2020 Open Access
AP, Vol. 2, Issue 03, 036003, (May 2020) https://doi.org/10.1117/12.10.1117/1.AP.2.3.036003
KEYWORDS: Polarization, Scattering, Light scattering, Laser scattering, Structured light, Scattering media, Superposition, Latex, Optical vortices, Photonics

SPIE Journal Paper | 21 May 2020 Open Access
JBO, Vol. 25, Issue 05, 056003, (May 2020) https://doi.org/10.1117/12.10.1117/1.JBO.25.5.056003
KEYWORDS: Imaging systems, Luminescence, Manufacturing, Surgery, Image resolution, Indocyanine green, Tissues, Polyurethane, 3D imaging standards, Standards development

Proceedings Article | 10 March 2020 Presentation
Proceedings Volume 11222, 112220D (2020) https://doi.org/10.1117/12.2547056
KEYWORDS: Luminescence, Standards development, Imaging systems, Tissues, Manufacturing, 3D printing, Visualization, Fluorescent markers, Cancer, 3D imaging standards

Proceedings Article | 22 July 2019 Paper
Proceedings Volume 11079, 1107913 (2019) https://doi.org/10.1117/12.2530283
KEYWORDS: Luminescence, Imaging systems, Molecular imaging, Image segmentation, Signal to noise ratio, Composites, Optical properties, Optical resolution, Calibration, Image quality

Proceedings Article | 24 May 2018 Paper
Proceedings Volume 10677, 106771G (2018) https://doi.org/10.1117/12.2309766
KEYWORDS: Cameras, Luminescence, Imaging systems, Optical properties, Molecular imaging, Composites, Calibration, Image segmentation, Image resolution, Optical imaging

Proceedings Article | 1 August 2017 Paper
Proceedings Volume 10415, 1041502 (2017) https://doi.org/10.1117/12.2286052
KEYWORDS: Intravascular ultrasound, Photoacoustic imaging, Photoacoustic tomography, Fluorescence tomography

Proceedings Article | 28 July 2017 Paper
Proceedings Volume 10411, 104110J (2017) https://doi.org/10.1117/12.2286059
KEYWORDS: Luminescence, Solids, Polyurethane

Proceedings Article | 28 July 2017 Paper
Proceedings Volume 10413, 104130J (2017) https://doi.org/10.1117/12.2286065
KEYWORDS: Luminescence, Molecular imaging, Imaging systems

Proceedings Article | 19 April 2017 Presentation
Proceedings Volume 10043, 100430C (2017) https://doi.org/10.1117/12.2253211
KEYWORDS: Tumors, Imaging systems, Tissues, Breast cancer, Fluorescence lifetime imaging, Cancer, Breast, Luminescence, Surgery, Collagen

Proceedings Article | 19 April 2017 Presentation
João Lagarto, Jennifer Phipps, Jakob Unger, Leta Faller, Dimitris Gorpas, Dinglong Ma, Julien Bec, Michael Moore, Arnaud Bewley, Diego Yankelevich, Jonathan Sorger, Gregory Farwell, Laura Marcu
Proceedings Volume 10039, 100390E (2017) https://doi.org/10.1117/12.2253226
KEYWORDS: Tumors, Imaging systems, Biological detection systems, Tissues, In vivo imaging, Robotic surgery, Fiber optics, Surgery, Spectroscopes, Fiber optics tests

SPIE Journal Paper | 12 January 2017 Open Access
JBO, Vol. 22, Issue 01, 016009, (January 2017) https://doi.org/10.1117/12.10.1117/1.JBO.22.1.016009
KEYWORDS: Cameras, Luminescence, Imaging systems, Signal to noise ratio, Composites, Optical properties, Reflectivity, Image resolution, Scattering, Optical filters

SPIE Journal Paper | 15 June 2016 Open Access
JBO, Vol. 21, Issue 09, 091309, (June 2016) https://doi.org/10.1117/12.10.1117/1.JBO.21.9.091309
KEYWORDS: Luminescence, Cameras, Imaging systems, Optical properties, Molecular imaging, Polyurethane, Tissues, Scattering, Visualization, Tissue optics

Proceedings Article | 27 April 2016 Presentation
Proceedings Volume 9689, 968934 (2016) https://doi.org/10.1117/12.2214028
KEYWORDS: Fluorescence lifetime imaging, Data modeling, Data acquisition, Classification systems, Tissues, Clinical research, Animal model studies, Library classification systems, Diagnostics, Current controlled current source

Proceedings Article | 13 April 2016 Presentation + Paper
Proceedings Volume 9696, 969609 (2016) https://doi.org/10.1117/12.2213895
KEYWORDS: Luminescence, Tissues, Image segmentation, Video, Fluorescence lifetime imaging, Augmented reality, Real time imaging, Data acquisition, RGB color model, Tissue optics, Time resolved spectroscopy, Cameras, Raster graphics

Proceedings Article | 12 March 2015 Paper
Dimitris Gorpas, Hussain Fatakdawala, Yanhong Zhang, Richard Bold, Laura Marcu
Proceedings Volume 9318, 93180B (2015) https://doi.org/10.1117/12.2079622
KEYWORDS: Tissues, Fourier transforms, Luminescence, Breast cancer, Surgery, Breast, Collagen, Fluorescence spectroscopy, Spectroscopy, Tumors

Proceedings Article | 26 February 2015 Paper
Julien Bec, Dinglong Ma, Diego Yankelevich, Dimitris Gorpas, William Ferrier, Jeffrey Southard, Laura Marcu
Proceedings Volume 9303, 93033M (2015) https://doi.org/10.1117/12.2079833
KEYWORDS: In vivo imaging, Imaging systems, Luminescence, Data acquisition, Arteries, Francium, Fluorescence lifetime imaging, Optical fibers, Blood, Fluorescent markers

SPIE Journal Paper | 4 June 2014 Open Access
JBO, Vol. 19, Issue 06, 066004, (June 2014) https://doi.org/10.1117/12.10.1117/1.JBO.19.6.066004
KEYWORDS: Intravascular ultrasound, Luminescence, Imaging systems, Arteries, Data acquisition, Signal to noise ratio, Multispectral imaging, Fiber optics, Fluorescence lifetime imaging, Transducers

Proceedings Article | 4 March 2014 Paper
Proceedings Volume 8926, 892638 (2014) https://doi.org/10.1117/12.2040311
KEYWORDS: Intravascular ultrasound, Image segmentation, Luminescence, Image processing, Data acquisition, Fluorescence lifetime imaging, Image restoration, Image registration, Image filtering, Arteries

Proceedings Article | 24 May 2013 Paper
Dimitris Gorpas, Christos Kampouris, Sotiris Malassiotis
Proceedings Volume 8791, 879117 (2013) https://doi.org/10.1117/12.2018913
KEYWORDS: Cameras, Light emitting diodes, Clouds, Inspection, Prototyping, Sensors, Robotic systems, Telecommunications, 3D acquisition, Light sources and illumination

SPIE Journal Paper | 3 December 2012 Open Access
JBO, Vol. 17, Issue 12, 126010, (December 2012) https://doi.org/10.1117/12.10.1117/1.JBO.17.12.126010
KEYWORDS: Radiative transfer, Diffusion, Monte Carlo methods, Luminescence, 3D modeling, Molecular imaging, Chemical elements, Phase shifts, Modulation, Optical properties

Proceedings Article | 29 February 2012 Paper
Dimitris Gorpas, Dido Yova, Kostas Politopoulos
Proceedings Volume 8216, 82160N (2012) https://doi.org/10.1117/12.907786
KEYWORDS: Imaging systems, Luminescence, Cameras, Calibration, Inspection, 3D image processing, Machine vision, Image segmentation, Tissues, Structured light

Proceedings Article | 14 February 2012 Paper
Proceedings Volume 8225, 822522 (2012) https://doi.org/10.1117/12.907811
KEYWORDS: Radiative transfer, Diffusion, Luminescence, 3D modeling, Chemical elements, Molecular imaging, Tissues, Matrices, Scattering, Absorption

Proceedings Article | 8 July 2009 Paper
Proceedings Volume 7368, 73681J (2009) https://doi.org/10.1117/12.831584
KEYWORDS: Prostate cancer, Tissues, Confocal microscopy, Algorithm development, Prostate, Luminescence, Image analysis, Biopsy, Image processing, Tumors

Proceedings Article | 1 July 2009 Paper
D. Gorpas, D. Yova
Proceedings Volume 7370, 73700F (2009) https://doi.org/10.1117/12.831715
KEYWORDS: Image segmentation, Image processing algorithms and systems, Image processing, Image filtering, Biomedical optics, Algorithm development, Microscopy, Detection and tracking algorithms, Optical imaging, Tissue optics

Proceedings Article | 20 February 2009 Paper
D. Gorpas, D. Yova, K. Politopoulos
Proceedings Volume 7171, 71710A (2009) https://doi.org/10.1117/12.808116
KEYWORDS: Luminescence, 3D modeling, Image segmentation, Chemical elements, Diffusion, Imaging systems, Molecular imaging, Radiative transfer, Scattering, Tissues

Proceedings Article | 3 February 2009 Paper
D. Gorpas, P. Maragos, D. Yova
Proceedings Volume 7251, 72510C (2009) https://doi.org/10.1117/12.805574
KEYWORDS: Image segmentation, Image processing algorithms and systems, Image processing, Biomedical optics, Image filtering, Machine vision, Computer vision technology, RGB color model, Detection and tracking algorithms, Tissues

Proceedings Article | 29 February 2008 Paper
Dimitris Gorpas, Kostas Politopoulos, Dido Yova, Stefan Andersson-Engels
Proceedings Volume 6859, 68591H (2008) https://doi.org/10.1117/12.762968
KEYWORDS: Luminescence, Image processing, Databases, Data modeling, Inverse problems, Chemical elements, Molecular imaging, Diffusion, Image segmentation, Radiative transfer

Proceedings Article | 28 February 2008 Paper
Eleni Alexandratou, Dido Yova, Dimitris Gorpas, Petros Maragos, George Agrogiannis, Nikolaos Kavantzas
Proceedings Volume 6859, 685904 (2008) https://doi.org/10.1117/12.763377
KEYWORDS: Prostate cancer, Tissues, Statistical analysis, Biopsy, Algorithm development, Tumors, Cancer, Image analysis, Image classification, Feature selection

Proceedings Article | 12 July 2007 Paper
Dimitris Gorpas, Kostas Politopoulos, Dido Yova
Proceedings Volume 6629, 66291J (2007) https://doi.org/10.1117/12.728398
KEYWORDS: Cameras, Calibration, Imaging systems, Lenses, Photodynamic therapy, 3D modeling, Animal model studies, Image segmentation, Computing systems, Structured light

Proceedings Article | 13 February 2006 Paper
Dimitris Gorpas, Kostas Politopoulos, Eleni Alexandratou, Dido Yova
Proceedings Volume 6081, 60810D (2006) https://doi.org/10.1117/12.643780
KEYWORDS: Cameras, Calibration, Tumors, 3D modeling, Machine vision, Lenses, Distortion, Imaging systems, Animal model studies, 3D image processing

Proceedings Article | 8 October 2005 Paper
Dimitris Gorpas, Eleni Alexandratou, Kostas Politopoulos, Dido Yova
Proceedings Volume 5862, 586212 (2005) https://doi.org/10.1117/12.633043
KEYWORDS: Reflectivity, Diagnostics, Absorption, Algorithm development, Scattering, Diffuse reflectance spectroscopy, Animal model studies, Transmittance, Optical properties, Statistical analysis

Showing 5 of 38 publications
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