Dr. Andrew J. Healey Profile

Dr. Andrew J. Healey

Senior Scientist at Cytiva

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Author

Publications (14)

Proceedings Article | 22 February 2008 Paper

A targeted molecular probe for colorectal cancer imaging

T. Attramadal, R. Bjerke, B. Indrevoll, S. Moestue, A. Rogstad, R. Bendiksen, A. Healey, E. Johannesen

Proceedings Volume 6867, 686709 (2008) https://doi.org/10.1117/12.763297

KEYWORDS: Luminescence, Plasma, Colorectal cancer, Blood, Kidney, Liver, Polarization, Tissues, Imaging systems, In vivo imaging

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Proceedings Article | 22 February 2008 Paper

Imaging efficacy of a targeted imaging agent for fluorescence endoscopy

A. Healey, R. Bendiksen, T. Attramadal, R. Bjerke, S. Waagene, A. M. Hvoslef, E. Johannesen

Proceedings Volume 6867, 68670A (2008) https://doi.org/10.1117/12.763345

KEYWORDS: Luminescence, Imaging systems, Colon, Colorectal cancer, Kidney, Laparoscopy, Visualization, Endoscopes, Animal model studies, Tissues

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Proceedings Article | 11 July 2007 Paper

Molecular targeting as a contrast agent mechanism for fluorescence endoscopy

A. Healey, R. Bendiksen, A. Tornes, E. Johannesen

Proceedings Volume 6626, 66260F (2007) https://doi.org/10.1117/12.728261

KEYWORDS: Luminescence, Imaging systems, Laparoscopy, Molecules, Optical filters, Signal to noise ratio, Endoscopy, Tissues, Charge-coupled devices, Spatial resolution

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Proceedings Article | 22 November 2005 Paper

Photon transport models for predictive assessment of imageability

Kajoli Krishnan, Stephen Lomnes, Manohar Kollegal, Amey Joshi, Andrew Healey

Proceedings Volume 6009, 60090U (2005) https://doi.org/10.1117/12.630796

KEYWORDS: Diffusion, Monte Carlo methods, Tissue optics, 3D modeling, Scattering, Photon transport, Absorption, Light scattering, Tissues, Chemical elements

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Proceedings Article | 30 May 2001 Paper

Pulse-echo attenuation imaging

Sidney Leeman, Andrew Healey, Eduardo Costa, Hayram Nicacio, Sayed Shah

Proceedings Volume 4325, (2001) https://doi.org/10.1117/12.428212

KEYWORDS: Signal attenuation, Tissues, Ultrasonography, Image segmentation, Image resolution, Image processing, Signal processing, Modulation, Image analysis, Rutherfordium

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Proceedings Article | 30 May 2001 Paper

Measurement of transducer directivity function

Sidney Leeman, Andrew Healey, Eduardo Costa, Hayram Nicacio, Ricardo Dantas, Joaquim Maia

Proceedings Volume 4325, (2001) https://doi.org/10.1117/12.428234

KEYWORDS: Transducers, Fourier transforms, Ultrasonography, Distance measurement, Spherical lenses, 3D metrology, Time metrology, Head, Medicine, Calibration

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Proceedings Article | 25 April 2000 Paper

New ultrasound pulse-echo method for measuring the thickness of thin membranes

Sidney Leeman, Andrew Healey, Eduardo Costa

Proceedings Volume 3977, (2000) https://doi.org/10.1117/12.384543

KEYWORDS: Ultrasonography, Reflectivity, Transducers, Gaussian pulse, Physics, Medical imaging, Scanners, Data modeling, Data acquisition, Signal processing

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Proceedings Article | 12 April 2000 Paper

Pulsed ultrasound field simulation and visualization

Sidney Leeman, Andrew Healey, Ricardo Dantas, Eduardo Costa

Proceedings Volume 3982, (2000) https://doi.org/10.1117/12.382218

KEYWORDS: Transducers, Ultrasonography, Visualization, Wave propagation, Computer simulations, Silicon, Medical imaging, Computed tomography, Information operations, Solids

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Proceedings Article | 28 May 1999 Paper

Medical ultrasound pulse structure

Sidney Leeman, Andrew Healey

Proceedings Volume 3659, (1999) https://doi.org/10.1117/12.349484

KEYWORDS: Transducers, Ultrasonography, Diffraction, Wave propagation, Fourier transforms, Imaging devices, Medical imaging, Digital signal processing, Tissues, Acoustics

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Proceedings Article | 24 July 1998 Paper

Propagation and imaging of wideband three-dimensional ultrasound fields

Sidney Leeman, Andrew Healey

Proceedings Volume 3336, (1998) https://doi.org/10.1117/12.317010

KEYWORDS: Ultrasonography, Transducers, Wave propagation, Visualization, 3D image processing, Physics, Medical imaging, Fourier transforms, Signal attenuation, Computed tomography

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Proceedings Article | 1 May 1998 Paper

New approach toward field and transducer characterization

Andrew Healey, Sidney Leeman

Proceedings Volume 3341, (1998) https://doi.org/10.1117/12.308016

KEYWORDS: Transducers, Ultrasonography, Acoustics, Apodization, Wave propagation, Modulation, Spatial frequencies, Computer simulations, Data acquisition, Measurement devices

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Proceedings Article | 11 April 1996 Paper

Analysis of ultrasound pulse-wave Doppler systems

Sidney Leeman, Nicholas Thomas, Andrew Healey

Proceedings Volume 2708, (1996) https://doi.org/10.1117/12.237793

KEYWORDS: Doppler effect, Ultrasonography, Wavelets, Signal attenuation, Transducers, Signal processing, Tissues, Reflectors, Blood, Fourier transforms

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Proceedings Article | 12 May 1995 Paper

Speckle correction in ultrasound b-mode images: a zero-based approach

Andrew Healey, Sidney Leeman

Proceedings Volume 2434, (1995) https://doi.org/10.1117/12.208742

KEYWORDS: Speckle, Image processing, Ultrasonography, Image resolution, Interference (communication), Image segmentation, Destructive interference, Imaging systems, Digital filtering, Image filtering

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Proceedings Article | 8 May 1995 Paper

Attenuation-weighted pulse-echo imaging with ultrasound

Sidney Leeman, Andrew Healey, Mark Betts, Leonard Ferrari

Proceedings Volume 2432, (1995) https://doi.org/10.1117/12.208338

KEYWORDS: Signal attenuation, Tissues, Ultrasonography, Image segmentation, In vivo imaging, Data modeling, Signal processing, Medical imaging, Signal detection, Scattering

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Showing 5 of 14 publications

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