Dr. William A. Christens-Barry Profile

Dr. William A. Christens-Barry

Chief Scientist at Equipoise Imaging LLC

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Publications (12)

Proceedings Article | 14 September 2011 Paper

Evaluating a hybrid three-dimensional metrology system: merging data from optical and touch probe devices

Janice Gerde, William Christens-Barry

Proceedings Volume 8133, 81330I (2011) https://doi.org/10.1117/12.893969

KEYWORDS: Statistical analysis, Calibration, Clouds, Interfaces, Laser scanners, Image processing, Computing systems, Imaging systems, Optical testing, Human-machine interfaces

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Proceedings Article | 8 March 2011 Paper

Recovery of handwritten text from the diaries and papers of David Livingstone

Keith Knox, Roger Easton, William Christens-Barry, Kenneth Boydston

Proceedings Volume 7869, 786909 (2011) https://doi.org/10.1117/12.877135

KEYWORDS: Principal component analysis, Image processing, Ultraviolet radiation, Light emitting diodes, Visible radiation, Multispectral imaging, Imaging systems, Near infrared, Iron, Visualization

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Proceedings Article | 8 September 2010 Paper

Error reduction in three-dimensional metrology combining optical and touch probe data

Janice Gerde, William Christens-Barry

Proceedings Volume 7799, 77990N (2010) https://doi.org/10.1117/12.860556

KEYWORDS: Error analysis, Clouds, Statistical analysis, Calibration, Laser scanners, Interfaces, Image processing, Data acquisition, Measurement devices, Data fusion

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Proceedings Article | 16 February 2010 Paper

Advanced image analysis for the preservation of cultural heritage

Fenella France, William Christens-Barry, Michael Toth, Kenneth Boydston

Proceedings Volume 7531, 75310E (2010) https://doi.org/10.1117/12.839000

KEYWORDS: Analytical research, Imaging systems, Image processing, Cultural heritage, Image analysis, Image enhancement, Imaging spectroscopy, Nondestructive evaluation, Visible radiation, Hyperspectral imaging

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Proceedings Article | 16 February 2010 Paper

Standardized system for multispectral imaging of palimpsests

Roger Easton, Keith Knox, William Christens-Barry, Kenneth Boydston, Michael Toth, Doug Emery, William Noel

Proceedings Volume 7531, 75310D (2010) https://doi.org/10.1117/12.839116

KEYWORDS: Image processing, Imaging systems, Ultraviolet radiation, Imaging spectroscopy, Sensors, Luminescence, Principal component analysis, Visible radiation, Standards development, Light emitting diodes

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Proceedings Article | 19 January 2010 Paper

Evaluation and compensation of fluorescence for spectral imaging of art materials and historical documents

William Christens-Barry, Kenneth Boydston, Roger Easton

Proceedings Volume 7528, 75280M (2010) https://doi.org/10.1117/12.839138

KEYWORDS: Luminescence, Cameras, Light emitting diodes, Optical filters, Image filtering, Reflectivity, Imaging spectroscopy, Image processing, Signal detection, Sensors

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Proceedings Article | 28 January 2009 Paper

Camera system for multispectral imaging of documents

William Christens-Barry, Kenneth Boydston, Fenella France, Keith Knox, Roger Easton, Michael Toth

Proceedings Volume 7249, 724908 (2009) https://doi.org/10.1117/12.815374

KEYWORDS: Imaging systems, Cameras, Light emitting diodes, Digital watermarking, Image processing, Image enhancement, Digital imaging, Fiber optic illuminators, Imaging spectroscopy, Infrared imaging

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Proceedings Article | 19 January 1998 Paper

Laser restoration of flow in occluded ventricular shunts for pediatric neurosurgery

William Christens-Barry, Michael Guarnieri, Benjamin Carson

Proceedings Volume 3193, (1998) https://doi.org/10.1117/12.300835

KEYWORDS: Optical fibers, Tissues, Laser ablation, Absorption, Medicine, Infrared radiation, Laser energy, Surgery, Laser therapeutics, Acoustics

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Proceedings Article | 14 January 1998 Paper

Containment-enhanced Ho:YAG photofragmentation of soft tissues

William Christens-Barry, Michael Guarnieri, Benjamin Carson

Proceedings Volume 3195, (1998) https://doi.org/10.1117/12.297900

KEYWORDS: Tissues, Cavitation, Thermal modeling, Optical fibers, Absorption, Acoustics, Energy efficiency, Laser therapeutics, Process modeling, Brain

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Proceedings Article | 29 July 1993 Paper

Automated recognition of microcalcification clusters in mammograms

Isaac Bankman, William Christens-Barry, Dong Kim, Irving Weinberg, Olga Gatewood, William Brody

Proceedings Volume 1905, (1993) https://doi.org/10.1117/12.148684

KEYWORDS: Mammography, Breast cancer, Detection and tracking algorithms, Algorithm development, Tissues, Visualization, Interference (communication), Breast, Cancer, Radiology

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Proceedings Article | 1 November 1991 Paper

Detection of DNA sequence symmetries using parallel micro-optical devices

William Christens-Barry, David Terry, Bradley Boone

Proceedings Volume 1564, (1991) https://doi.org/10.1117/12.49708

KEYWORDS: Charge-coupled devices, Optical filters, Signal processing, Electronic filtering, Optical signal processing, Detector arrays, Sensors, Modulation, Photomasks, Image filtering

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Proceedings Article | 27 December 1990 Paper

Vander Lugt correlation of DNA sequence data

William Christens-Barry, James Hawk, James Martin

Proceedings Volume 1347, (1990) https://doi.org/10.1117/12.23411

KEYWORDS: Optical pattern recognition, Pattern recognition, Spatial filters, Signal to noise ratio, Signal detection, Interference (communication), Optical correlators, Spatial light modulators, Transparency, Photography

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Showing 5 of 12 publications

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