Dr. Marcin Witkowski Profile

Dr. Marcin Witkowski

Senior R&D stuff at Warsaw Univ of Technology

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Publications (16)

Proceedings Article | 7 September 2018 Paper

A multidirectional system for shape measurement of a human body in motion

Paweł Liberadzki, Marcin Witkowski, Robert Sitnik

Proceedings Volume 10834, 108341E (2018) https://doi.org/10.1117/12.2318731

KEYWORDS: Clouds, Sensors, Motion measurement, Projection systems, Structured light, Image analysis, Optical filters, Calibration, Computing systems, Data processing

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Proceedings Article | 28 February 2014 Paper

Recent improvements in SPE3D: a VR-based surgery planning environment

Marcin Witkowski, Robert Sitnik, Nico Verdonschot

Proceedings Volume 9012, 90120E (2014) https://doi.org/10.1117/12.2041445

KEYWORDS: Surgery, 3D modeling, Magnetic resonance imaging, Data modeling, Haptic technology, Visualization, Bone, Visual process modeling, Navigation systems, Human-machine interfaces

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SPIE Journal Paper | 30 May 2013 Open Access

Lower body kinematics evaluation based on a multidirectional four-dimensional structured light measurement

Janusz Lenar, Marcin Witkowski, Vincenzo Carbone, Sjoerd Kolk, Marcin Adamczyk, Robert Sitnik, Marjolein van der Krogt, Nico Verdonschot

JBO, Vol. 18, Issue 05, 056014, (May 2013) https://doi.org/10.1117/12.10.1117/1.JBO.18.5.056014

KEYWORDS: Kinematics, Cameras, Gait analysis, 3D modeling, Clouds, Calibration, Projection systems, Motion models, Systems modeling, Structured light

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SPIE Journal Paper | 11 May 2012 Open Access

Automatic recognition of surface landmarks of anatomical structures of back and posture

Jakub Michonski, Marcin Witkowski, Robert Sitnik, Wojciech Glinkowski

JBO, Vol. 17, Issue 5, 056015, (May 2012) https://doi.org/10.1117/12.10.1117/1.JBO.17.5.056015

KEYWORDS: Data modeling, Algorithm development, Statistical analysis, Shape analysis, Clouds, Spine, 3D modeling, Detection and tracking algorithms, Statistical modeling, X-rays

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Proceedings Article | 8 February 2012 Paper

A virtual reality interface for pre-planning of surgical operations based on a customized model of the patient

Marcin Witkowski, Janusz Lenar, Robert Sitnik, Nico Verdonschot

Proceedings Volume 8289, 82890M (2012) https://doi.org/10.1117/12.909857

KEYWORDS: Surgery, Human-machine interfaces, 3D modeling, 3D displays, Navigation systems, Bone, Data modeling, Virtual reality, Haptic technology, Biological research

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Proceedings Article | 31 January 2012 Paper

Multidirectional four-dimensional shape measurement system

Janusz Lenar, Robert Sitnik, Marcin Witkowski

Proceedings Volume 8290, 82900W (2012) https://doi.org/10.1117/12.907706

KEYWORDS: Head, Projection systems, Clouds, Calibration, 3D metrology, Kinematics, 3D image processing, Cameras, Data modeling, Structured light

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Proceedings Article | 4 February 2010 Paper

A four-directional body shape measurement system and its application for pectus excavatum severity assessment

Marcin Witkowski, Wojciech Glinkowski, Robert Sitnik, Hanna Kocoń, Paweł Bolewicki, Andrzej Górecki

Proceedings Volume 7526, 75260P (2010) https://doi.org/10.1117/12.838991

KEYWORDS: Clouds, Chest, 3D metrology, Computed tomography, 3D scanning, 3D image processing, Calibration, Optical testing, Shape analysis, Structured light

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SPIE Journal Paper | 1 July 2009 Open Access

Method of pectus excavatum measurement based on structured light technique

Wojciech Glinkowski, Robert Sitnik, Marcin Witkowski, Hanna Kocon, Paweł Bolewicki, Andrzej Górecki

JBO, Vol. 14, Issue 04, 044041, (July 2009) https://doi.org/10.1117/12.10.1117/1.3210782

KEYWORDS: 3D metrology, Computed tomography, Chest, 3D scanning, Clouds, 3D image processing, Photonics, Shape analysis, Photography, Structured light

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SPIE Journal Paper | 1 July 2008 Open Access

Locating and tracing of anatomical landmarks based on full-field four-dimensional measurement of human body surface

Robert Sitnik, Marcin Witkowski

JBO, Vol. 13, Issue 04, 044039, (July 2008) https://doi.org/10.1117/12.10.1117/1.2960017

KEYWORDS: Clouds, Data processing, Algorithm development, 3D metrology, Skin, Data analysis, Shape analysis, Optical testing, Data acquisition, Surgery

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Proceedings Article | 12 February 2008 Paper

Surface shape parameters and analysis of data captured with use of 4D surface scanners

Marcin Witkowski, Robert Sitnik, Walter Rapp, Bart Haex, Marcin Kowalski, Sven Mooshake

Proceedings Volume 6848, 684815 (2008) https://doi.org/10.1117/12.763987

KEYWORDS: Clouds, Imaging systems, Shape analysis, Data acquisition, Scanners, Skin, Data processing, Motion analysis, Optical spheres, Laser scanners

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Proceedings Article | 8 February 2008 Paper

Internet virtual studio: low-cost augmented reality system for WebTV

Robert Sitnik, Slawomir Pasko, Maciej Karaszewski, Marcin Witkowski

Proceedings Volume 6804, 68040E (2008) https://doi.org/10.1117/12.765914

KEYWORDS: Cameras, Video, Virtual reality, Imaging systems, Internet, Multimedia, Computing systems, 3D video streaming, Augmented reality, Televisions

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Proceedings Article | 14 April 2006 Paper

4D measurement system for automatic location of anatomical structures

Marcin Witkowski, Robert Sitnik, Małgorzata Kujawińska, Walter Rapp, Marcin Kowalski, Bart Haex, Sven Mooshake

Proceedings Volume 6191, 61910H (2006) https://doi.org/10.1117/12.663519

KEYWORDS: Clouds, Calibration, 3D metrology, Visualization, Image processing, Raster graphics, Motion analysis, 3D image processing, Data acquisition, Algorithm development

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Proceedings Article | 2 February 2006 Paper

Opto-numerical procedures supporting dynamic lower limbs monitoring and their medical diagnosis

Marcin Witkowski, Malgorzata Kujawińska, Walter Rapp, Robert Sitnik

Proceedings Volume 6026, 60260Y (2006) https://doi.org/10.1117/12.667424

KEYWORDS: Algorithm development, Data processing, Clouds, Medical diagnostics, Spherical lenses, Biomedical optics, Detection and tracking algorithms, Optical spheres, Visualization, Optical testing

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Proceedings Article | 27 January 2006 Paper

4D data processing for dynamic human body analysis

Robert Sitnik, Artur Filipczak, Marcin Witkowski, Walter Rapp, Bart Haex

Proceedings Volume 6056, 60560Q (2006) https://doi.org/10.1117/12.643213

KEYWORDS: Clouds, Bone, Data processing, Algorithm development, Visualization, 3D metrology, Prototyping, Visual analytics, Biological research, 3D imaging standards

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Proceedings Article | 23 September 2005 Paper

Automatic anatomical structures location

Marcin Witkowski, Walter Rapp, Robert Sitnik, Malgorzata Kujawinska, Jos Vander Sloten, Bart Haex, Nico Bogaert, Kjell Heitmann

Proceedings Volume 5959, 59590F (2005) https://doi.org/10.1117/12.623099

KEYWORDS: Algorithm development, Data processing, Visualization, Clouds, Motion analysis, 3D image processing, Raster graphics, Biological research, 3D metrology, Gait analysis

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Proceedings Article | 9 October 2003 Paper

Monitoring of shape and position of objects varying in time based on spatio-temporal analysis of fringe patterns and measurement of 3D coordinates of fiducial points for multimedia applications

Michal Pawlowski, Marcin Witkowski, Malgorzata Kujawinska

Proceedings Volume 5146, (2003) https://doi.org/10.1117/12.499647

KEYWORDS: 3D metrology, Fringe analysis, 3D modeling, Charge-coupled devices, Systems modeling, Shape analysis, Digital Light Processing, Solid modeling, Sensors, Cameras

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Showing 5 of 16 publications

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