Mr. Gunnar Lovhoiden Profile

Gunnar Lovhoiden

at Andrews Univ

SPIE Involvement:

Author

Publications (12)

SPIE Journal Paper | 1 August 2005

Prototype vein contrast enhancer

Herbert Zeman, Gunnar Lovhoiden, Carlos Vrancken

OE, Vol. 44, Issue 08, 086401, (August 2005) https://doi.org/10.1117/12.10.1117/1.2009763

KEYWORDS: Veins, Cameras, Prototyping, Projection systems, Image enhancement, Virtual colonoscopy, CCD cameras, Infrared imaging, Infrared radiation, LCDs

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Proceedings Article | 1 July 2004 Paper

Prototype vein contrast enhancer

Herbert Zeman, Gunnar Lovhoiden, Carlos Vrancken

Proceedings Volume 5318, (2004) https://doi.org/10.1117/12.517813

KEYWORDS: Veins, Cameras, Projection systems, Prototyping, Image enhancement, Infrared imaging, Infrared radiation, Image processing, CCD cameras, Charge-coupled devices

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Proceedings Article | 22 July 2003 Paper

Commercialization of vein contrast enhancement

Gunnar Lovhoiden, Harshal Deshmukh, Carlos Vrancken, Yong Zhang, Herbert Zeman, Devin Weinberg

Proceedings Volume 4958, (2003) https://doi.org/10.1117/12.476117

KEYWORDS: Veins, Projection systems, CCD cameras, Cameras, Visualization, Prototyping, LCDs, Infrared radiation, Skin, Image processing

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Proceedings Article | 13 May 2002 Paper

Clinical evaluation of vein contrast enhancement

Gunnar Lovhoiden, Harshal Deshmukh, Herbert Zeman

Proceedings Volume 4615, (2002) https://doi.org/10.1117/12.466636

KEYWORDS: Veins, Light sources, Infrared imaging, Infrared cameras, Visualization, Photometry, LCDs, Cameras, Image enhancement, Light

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Proceedings Article | 4 June 2001 Paper

Design of a clinical vein contrast enhancing projector

Herbert Zeman, Gunnar Lovhoiden, Harshal Deshmukh

Proceedings Volume 4254, (2001) https://doi.org/10.1117/12.427935

KEYWORDS: Veins, Skin, Infrared imaging, Video, Light sources, CCD cameras, Cameras, Infrared radiation, Projection systems, Image enhancement

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Proceedings Article | 3 May 2000 Paper

Optimization of subcutaneous vein contrast enhancement

Herbert Zeman, Gunnar Lovhoiden, Harshal Deshmukh

Proceedings Volume 3911, (2000) https://doi.org/10.1117/12.384930

KEYWORDS: Veins, Infrared imaging, Infrared radiation, Video, Image enhancement, Projection systems, Light sources, Cameras, Fiber optic illuminators, Infrared cameras

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Proceedings Article | 9 July 1999 Paper

Enhancing the contrast of subcutaneous veins

Herbert Zeman, Gunnar Lovhoiden

Proceedings Volume 3595, (1999) https://doi.org/10.1117/12.351535

KEYWORDS: Cameras, Video, Fiber optic illuminators, Projection systems, Veins, Infrared radiation, CCD cameras, Infrared imaging, Image contrast enhancement, Image enhancement

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Proceedings Article | 24 July 1998 Paper

Portal imaging with a CsI(Tl) transparent scintillator x-ray detector

Herbert Zeman, Sanjiv Samant, Gunnar Lovhoiden, Brent Weinberg, Amit Sawant

Proceedings Volume 3336, (1998) https://doi.org/10.1117/12.317015

KEYWORDS: Energy efficiency, X-ray detectors, X-ray imaging, Crystals, Cameras, Scintillators, CCD cameras, X-rays, Spatial resolution, Imaging systems

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Proceedings Article | 12 May 1995 Paper

Improved image-processing techniques for multiple-angle x-ray bone densitometry

Lawrence Jordan, Li Gao, Peter Davis, Frank DiBianca, Jeno Sebes, Donald Thomason, Herbert Zeman, Gunnar Lovhoiden

Proceedings Volume 2434, (1995) https://doi.org/10.1117/12.208724

KEYWORDS: Bone, Image segmentation, Densitometry, X-rays, Image filtering, Reconstruction algorithms, Calcium, Digital filtering, X-ray imaging, Image restoration

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Proceedings Article | 8 May 1995 Paper

High-resolution x-ray imaging with a Gd2O3(Eu) transparent ceramic scintillator

Herbert Zeman, Frank DiBianca, Gunnar Lovhoiden

Proceedings Volume 2432, (1995) https://doi.org/10.1117/12.208365

KEYWORDS: X-rays, Bone, X-ray imaging, Ceramics, Charge-coupled devices, CCD cameras, Densitometry, Spatial resolution, Scintillators, Imaging systems

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Proceedings Article | 26 May 1994 Paper

Detection of demineralization in rat legs using multiple-angle x-ray bone densitometry

Lawrence Jordan, Frank DiBianca, Jeno Sebes, Donald Thomason, Herbert Zeman, Peter Davis, Dona Kambeyanda, Gao Li, Gunnar Lovhoiden

Proceedings Volume 2132, (1994) https://doi.org/10.1117/12.176567

KEYWORDS: Bone, Densitometry, Reconstruction algorithms, X-rays, Calcium, Image restoration, CCD cameras, Data acquisition, Imaging systems, Minerals

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Proceedings Article | 14 September 1993 Paper

High-accuracy x-ray imaging: screen, lens, and CCD

Herbert Zeman, Frank DiBianca, Donald Thomason, Jeno Sebes, Gunnar Lovhoiden, D.-Z. Liao, Dona Kambeyanda

Proceedings Volume 1896, (1993) https://doi.org/10.1117/12.154594

KEYWORDS: X-rays, Charge-coupled devices, Bone, Quantum efficiency, Crystals, Spatial resolution, CCD cameras, Imaging systems, Minerals, X-ray imaging

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Showing 5 of 12 publications

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