Prof. Karin Wårdell Profile

Prof. Karin Wårdell

at Linkoepings Univ

SPIE Involvement:

Author

Publications (24)

Proceedings Article | 9 December 2021 Paper

Raman spectroscopic analysis of fresh tissue samples from brain tumors

Joel Wahl, Elisabeth Klint, Martin Hallbeck, Jan Hillman, Karin Wardell, Kerstin Ramser

Proceedings Volume 11920, 119201F (2021) https://doi.org/10.1117/12.2615374

KEYWORDS: Raman spectroscopy, Tumors, Brain, Tissue optics, Tissues, Spectroscopy, Statistical analysis, Principal component analysis, Visualization, Surgery

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Proceedings Article | 7 December 2021 Paper

A laser Doppler system for long-term recording of cerebral microcirculation in the neurointensive care unit

Stina Mauritzon, Fredrik Ginstman, Karin Wårdell

Proceedings Volume 11919, 119190V (2021) https://doi.org/10.1117/12.2614595

KEYWORDS: Brain, Doppler effect, Magnetic resonance imaging, Laser systems engineering, Tissues, Software development, Optical fibers, Heart, Traumatic brain injury, Tissue optics

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Proceedings Article | 19 April 2017 Presentation

Optical guidance for stereotactic brain tumor biopsy procedures: preliminary clinical evaluation (Conference Presentation)

Neda Haj-Hosseini, Johan Richter, Peter Milos, Martin Hallbeck, Karin Wårdell

Proceedings Volume 10050, 1005004 (2017) https://doi.org/10.1117/12.2256237

KEYWORDS: Tumors, Tissue optics, Diagnostics, Biopsy, Brain, Luminescence, Doppler effect, Blood, Tissues, Neuroimaging

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Proceedings Article | 20 March 2014 Paper

Feature-enhancing zoom to facilitate Ki-67 hot spot detection

Jesper Molin, Kavitha Shaga Devan, Karin Wårdell, Claes Lundström

Proceedings Volume 9041, 90410W (2014) https://doi.org/10.1117/12.2043512

KEYWORDS: Image processing, Zoom lenses, Tumors, Visualization, Image classification, Pathology, Digital image processing, Image visualization, Diagnostics, Medical imaging

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Proceedings Article | 3 March 2014 Paper

Development and characterization of a brain tumor mimicking fluorescence phantom

Neda Haj-Hosseini, Benjamin Kistler, Karin Wårdell

Proceedings Volume 8945, 894505 (2014) https://doi.org/10.1117/12.2039861

KEYWORDS: Luminescence, Tumors, Brain, Fluorescence spectroscopy, Tissue optics, Absorption, Optical properties, Statistical analysis, Optical phantoms, Tissues

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Proceedings Article | 27 February 2014 Paper

Fluorescence spectroscopy using indocyanine green for lymph node mapping

Neda Haj-Hosseini, Pascal Behm, Ivan Shabo, Karin Wårdell

Proceedings Volume 8935, 893504 (2014) https://doi.org/10.1117/12.2036765

KEYWORDS: Luminescence, Lymphatic system, Fluorescence spectroscopy, Surgery, Breast, Tissues, Signal detection, Tissue optics, Spectroscopy, Cancer

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Proceedings Article | 18 February 2011 Paper

Blood interference in fiber-optical based fluorescence guided resection of glioma using 5-aminolevulinic acid

Neda Haj-Hosseini, Shannely Lowndes, Göran Salerud, Karin Wårdell

Proceedings Volume 7883, 78833R (2011) https://doi.org/10.1117/12.879067

KEYWORDS: Luminescence, Blood, Skin, Brain, Tissue optics, Tumors, Absorption, Tissues, Fiber optics, Data modeling

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SPIE Journal Paper | 1 July 2009 Open Access

Simulation of reflected light intensity changes during navigation and radio-frequency lesioning in the brain

Johannes Johansson, Ingemar Fredriksson, Karin Wårdell, Ola Eriksson

JBO, Vol. 14, Issue 04, 044040, (July 2009) https://doi.org/10.1117/12.10.1117/1.3210781

KEYWORDS: Brain, Thalamus, Tissue optics, Scattering, Blood, Electrodes, Tissues, Monte Carlo methods, Light scattering, Optical fibers

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Proceedings Article | 23 February 2009 Paper

Photobleaching behavior of protoporphyrin IX during 5-aminolevulinic acid marked glioblastoma detection

Neda Haj-Hosseini, Johan Richter, Stefan Andersson-Engels, Karin Wårdell

Proceedings Volume 7161, 716131 (2009) https://doi.org/10.1117/12.808156

KEYWORDS: Skin, Brain, Luminescence, Tumors, Pulsed laser operation, Tissues, Tissue optics, Spectroscopy, Fluorescence spectroscopy, Continuous wave operation

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Proceedings Article | 18 July 2007 Paper

Evaluation of a fiber-optic fluorescence spectroscopy system to assist neurosurgical tumor resections

Michail Ilias, Johan Richter, Frida Westermark, Martin Brantmark, Stefan Andersson-Engels, Karin Wårdell

Proceedings Volume 6631, 66310W (2007) https://doi.org/10.1117/12.728546

KEYWORDS: Luminescence, Tumors, Tissues, Fluorescence spectroscopy, Brain, Light emitting diodes, Tissue optics, Optical filters, Skin, Spectroscopy

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SPIE Journal Paper | 1 November 2005 Open Access

Polarized laser Doppler perfusion imaging—reduction of movement-induced artifacts

Daniel Karlsson, Karin Wardell

JBO, Vol. 10, Issue 06, 064002, (November 2005) https://doi.org/10.1117/12.10.1117/1.2120467

KEYWORDS: Polarization, Doppler effect, Skin, Sensors, Signal detection, Tissues, Optical filters, Specular reflections, Electronic filtering, Natural surfaces

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Proceedings Article | 1 September 2005 Paper

Measurements of optical properties of pig brain tissue in vitro using a novel compact device

Nazila Yavari, Jan Dam, Johan Antonsson, Karin Wardell, Stefan Andersson-Engels

Proceedings Volume 5864, 58640H (2005) https://doi.org/10.1117/12.632926

KEYWORDS: Optical properties, Brain, Sensors, Tissue optics, Tissues, Scattering, Absorption, Optical testing, Integrating spheres, Liquids

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SPIE Journal Paper | 1 May 2005 Open Access

Radio frequency electrode system for optical lesion size estimation in functional neurosurgery

Johan Antonsson, Ola Eriksson, Karin Wardell

JBO, Vol. 10, Issue 03, 034020, (May 2005) https://doi.org/10.1117/12.10.1117/1.1924615

KEYWORDS: Electrodes, Doppler effect, Radio optics, Signal processing, Brain, Computing systems, Laser scattering, Biomedical optics, Optical fibers, Magnetic resonance imaging

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Proceedings Article | 22 July 2003 Paper

In vivo reflection spectroscopy measurements in pig brain during stereotactic surgery

Johan Antonsson, Ola Eriksson, Karin Wardell

Proceedings Volume 4958, (2003) https://doi.org/10.1117/12.476131

KEYWORDS: Tissues, Reflectance spectroscopy, Tissue optics, Spectroscopy, Brain, In vivo imaging, Electrodes, Absorption, Surgery, Magnetic resonance imaging

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Proceedings Article | 23 May 2002 Paper

Influence of tissue movements on laser Doppler perfusion imaging

Daniel Karlsson, Marcus Larsson, Tomas Stroemberg, Karin Wardell

Proceedings Volume 4624, (2002) https://doi.org/10.1117/12.468313

KEYWORDS: Doppler effect, Blood, Tissues, Laser tissue interaction, Specular reflections, Natural surfaces, Velocity measurements, In vitro testing, In vivo imaging, Statistical analysis

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Proceedings Article | 4 June 2001 Paper

Optical changes as a marker for lesion size estimation during radio frequency ablation: a model study

Ola Eriksson, Karin Wardell

Proceedings Volume 4254, (2001) https://doi.org/10.1117/12.427930

KEYWORDS: Doppler effect, Brain, Electrodes, Blood, Light scattering, Scattering, Tissues, Absorbance, Biomedical engineering, Medical devices

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Proceedings Article | 4 June 2001 Paper

ECG-triggering of the laser Doppler signal: an approach for perfusion imaging on the beating calf heart

Karin Wardell, Daniel Karlsson, Urban Loenn, Stefan Traff, Henrik Casimir-Ahn

Proceedings Volume 4254, (2001) https://doi.org/10.1117/12.427946

KEYWORDS: Heart, Doppler effect, Blood, Beam propagation method, Surgery, Tissues, Arteries, Laser tissue interaction, Laser therapeutics, Animal model studies

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Proceedings Article | 31 May 2000 Paper

Laser Doppler imaging of myocardial perfusion during coronary bypass surgery

Karin Wardell, Ulf Hermansson, Gert Nilsson, Henrik Casimir-Ahn

Proceedings Volume 3923, (2000) https://doi.org/10.1117/12.387131

KEYWORDS: Arteries, Doppler effect, Heart, Laser therapeutics, Surgery, Laser vision correction, Blood, Blood circulation, Signal processing, Tissues

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SPIE Journal Paper | 1 October 1997 Open Access

Higher order moment processing of laser Doppler perfusion signals

Mikael Arildsson, Karin Wardell, Gert Nilsson

JBO, Vol. 2, Issue 04, (October 1997) https://doi.org/10.1117/12.10.1117/12.281499

KEYWORDS: Signal processing, Optical filters, Filtering (signal processing), Doppler effect, Blood, Electronic filtering, Image filtering, Interference (communication), Blood circulation, Veins

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Proceedings Article | 10 May 1996 Paper

Critical design parameters in laser Doppler perfusion imaging

Mikael Arildsson, Gert Nilsson, Karin Wardell

Proceedings Volume 2678, (1996) https://doi.org/10.1117/12.239527

KEYWORDS: Doppler effect, Sensors, Signal processing, Natural surfaces, Collimation, Laser tissue interaction, Signal to noise ratio, Solids, Tissues, Chlorine

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Proceedings Article | 30 March 1995 Paper

Tissue blood flow mapping using laser technology

Karin Wardell, Maria Linden, Gert Nilsson

Proceedings Volume 2390, (1995) https://doi.org/10.1117/12.206002

KEYWORDS: Laser tissue interaction, Doppler effect, Tissues, Skin, Blood circulation, Laser therapeutics, Tissue optics, Imaging systems, Natural surfaces, Photography

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Proceedings Article | 21 July 1994 Paper

Laser Doppler perfusion monitoring and imaging of blood microcirculation

Gert Nilsson, Karin Wardell

Proceedings Volume 2136, (1994) https://doi.org/10.1117/12.180808

KEYWORDS: Doppler effect, Sensors, Laser tissue interaction, Tissues, Natural surfaces, Imaging systems, Skin, Blood, Tissue optics, Laser scattering

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Proceedings Article | 1 February 1994 Paper

Laser Doppler flowmetry imaging

Gert Nilsson, Karin Wardell

Proceedings Volume 2084, (1994) https://doi.org/10.1117/12.167298

KEYWORDS: Doppler effect, Imaging systems, Tissues, Laser tissue interaction, Signal processing, Blood circulation, Tissue optics, Data analysis, Skin, Natural surfaces

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Proceedings Article | 1 March 1992 Paper

Tissue perfusion monitoring and imaging by coherent light scattering

Gert Nilsson, Anneli Jakobsson, Karin Wardell

Proceedings Volume 1524, (1992) https://doi.org/10.1117/12.57709

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Showing 5 of 24 publications

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