Dr. John R. Gilchrist Profile

Dr. John R. Gilchrist

President at ClydeHSI

SPIE Involvement:

Author

Publications (16)

Proceedings Article | 23 October 2023 Presentation + Paper

Criterion for quantifying the amount of spatial and spectral information acquired by hyperspectral cameras

Andrei Fridman, Torbjørn Skauli, Philippe Déliot, John Gilchrist, Trond Løke

Proceedings Volume 12737, 127370U (2023) https://doi.org/10.1117/12.2689031

KEYWORDS: Cameras, Hyperspectral imaging, Sensors, Standards development, Data acquisition, Point spread functions, Crosstalk, Signal to noise ratio, Data storage, Spectral response, Optical resolution

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Proceedings Article | 14 June 2023 Presentation

The upcoming P4001 standard for hyperspectral imaging

Torbjørn Skauli, Christopher Durell, John Gilchrist

Proceedings Volume PC12519, PC1251902 (2023) https://doi.org/10.1117/12.2668724

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Proceedings Article | 6 June 2022 Presentation + Paper

Development of test methods for hyperspectral cameras characterization in the P4001 standards development

Emmet Ientilucci, David Conran, Raymond Soffer, David Perry, Torbjorn Skauli, John Gilchrist, Christopher Durell

Proceedings Volume PC12094, PC1209402 (2022) https://doi.org/10.1117/12.2623490

KEYWORDS: Cameras, Stray light, Standards development, Calibration, Mirrors, Data modeling, Sensors, Optical spheres, Optical filters, Lamps

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Proceedings Article | 31 May 2022 Presentation + Paper

Specification of hyperspectral camera performance: status of the IEEE P4001 standard development

Torbjørn Skauli, John Gilchrist, Christopher Durell

Proceedings Volume 12094, 1209403 (2022) https://doi.org/10.1117/12.2623489

KEYWORDS: Cameras, Hyperspectral imaging, Standards development, Stray light, Image sensors, Spectrometers, Reflectivity, Spectroscopy, Interference (communication), Calibration

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Proceedings Article | 31 May 2022 Presentation + Paper

Metadata definitions for a set of notional use cases in the IEEE P4001 standard for hyperspectral imaging

Jan Makowski, Barbara Eckstein, Chris Durell, John Gilchrist, Torbjorn Skauli

Proceedings Volume 12094, 1209404 (2022) https://doi.org/10.1117/12.2623491

KEYWORDS: Cameras, Imaging systems, Hyperspectral imaging, Standards development, Signal processing, Sensors, Data modeling, Image processing, Data processing, Calibration

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Proceedings Article | 31 May 2022 Presentation + Paper

Developing the IEEE P4001 standard for characterisation and calibration of hyperspectral imaging devices

John Gilchrist, Torbjorn Skauli, Christopher Durell

Proceedings Volume 12094, 1209402 (2022) https://doi.org/10.1117/12.2623487

KEYWORDS: Standards development, Cameras, Hyperspectral imaging, Imaging systems, Stray light, Point spread functions, Sensors, Remote sensing, Tunable filters, Spectroscopy

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Proceedings Article | 30 May 2022 Presentation

Choice of terminology in the P4001 standard for hyperspectral imaging

John Gilchrist, Robert Arlen, Torbjorn Skauli, Christopher Durell, Oliver Weatherbee

Proceedings Volume PC12094, PC1209403 (2022) https://doi.org/10.1117/12.2623494

KEYWORDS: Hyperspectral imaging, Calibration

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Proceedings Article | 13 April 2021 Presentation

IEEE P4001: progress update towards an international standard for push-broom hyper-spectral imagers

John Gilchrist, Christopher Durell, Torbjorn Skauli

Proceedings Volume 11727, 117270C (2021) https://doi.org/10.1117/12.2588466

KEYWORDS: Standards development, Imaging systems, Hyperspectral imaging, Diagnostics

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Proceedings Article | 12 April 2021 Presentation

Multi-modal hyperspectral microscopy imaging as a forensic tool in trace evidence detection

John Gilchrist, Yingwang Gao, Tristan Haldane, Stephen Cambell, Natalie Smyth, Susan Toal

Proceedings Volume 11727, 117270E (2021) https://doi.org/10.1117/12.2589095

KEYWORDS: Hyperspectral imaging, Microscopy, Forensic science, Multimodal imaging, Principal component analysis, Microscopes, Microfluidics, Microfluidic imaging, Imaging systems, Visualization

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Proceedings Article | 4 October 2020 Presentation

IEEE P4001: Towards a standard for push-broom hyperspectral imagers

John Gilchrist, Christopher Durell, David Allen

Proceedings Volume 11576, 115760E (2020) https://doi.org/10.1117/12.2585141

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Proceedings Article | 24 April 2020 Presentation

IEEE P4001-update on progress towards a hyperspectral standard (Conference Presentation)

John Gilchrist, Chris Durell, David Allen

Proceedings Volume 11392, 113920A (2020) https://doi.org/10.1117/12.2560149

KEYWORDS: Standards development, Hyperspectral systems, Diagnostics, Roads

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Proceedings Article | 14 May 2019 Paper

IEEE P4001: Progress towards a hyperspectral standard

John Gilchrist, David Allen, Chris Durell

Proceedings Volume 10986, 1098602 (2019) https://doi.org/10.1117/12.2520190

KEYWORDS: Standards development, Imaging systems, Hyperspectral imaging, Remote sensing, Sensors, Manufacturing, Calibration, Optical filters, Data storage, Imaging spectroscopy, Multispectral imaging

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Proceedings Article | 11 July 2017 Paper

Analytical robustness of quantitative NIR chemical imaging for Islamic paper characterization

Hend Mahgoub, John Gilchrist, Thomas Fearn, Matija Strlič

Proceedings Volume 10331, 103310P (2017) https://doi.org/10.1117/12.2271971

KEYWORDS: Data modeling, Statistical modeling, Lenses, Seaborgium, Imaging spectroscopy, Calibration, Chemical analysis, Near infrared, Hyperspectral imaging, Data acquisition, Material characterization, Quantitative analysis

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Proceedings Article | 26 February 2004 Paper

High-efficiency IR transmission gratings (GRISM) engraved into substrate

Geraud de Villele, Francis Bonnemason, Christian Brach, Jean Flamand, John Gilchrist, Bruno Touzet, Robert Grange, Bruno Milliard

Proceedings Volume 5252, (2004) https://doi.org/10.1117/12.514278

KEYWORDS: Silica, Prisms, Manufacturing, Ions, Atomic force microscopy, Infrared radiation, Polarization, Astronomy, Holography, Zinc

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Proceedings Article | 29 January 2004 Paper

X-ray performance of gratings in the extreme off-plane mount

Randall McEntaffer, Steve Osterman, Webster Cash, John Gilchrist, Jean Flamand, Bruno Touzet, Fransis Bonnemason, Christian Brach

Proceedings Volume 5168, (2004) https://doi.org/10.1117/12.506200

KEYWORDS: Diffraction gratings, Sensors, Holography, Diffraction, X-rays, Monochromators, Grazing incidence, X-ray astronomy, Roentgenium, Spectral resolution

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Proceedings Article | 18 May 1993 Paper

Temporal and spectral separation of singlet oxygen luminescence from near-infrared emitting photosensitizers

John Gilchrist, Dirk Nather

Proceedings Volume 1885, (1993) https://doi.org/10.1117/12.144726

KEYWORDS: Oxygen, Luminescence, Near infrared, Spectroscopy, Sensors, Infrared spectroscopy, Time metrology, Molecules, Pulsed laser operation, Bioalcohols

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Showing 5 of 16 publications

Conference Committee Involvement (1)

Detectors and Associated Signal Processing

1 October 2003 | St. Etienne, France

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