Dr. Simon Turbide Profile

Dr. Simon Turbide

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Publications (12)

Proceedings Article | 27 April 2020 Presentation + Paper

Biosensing across wide areas using LED induced fluorescence

Francois Babin, Marc Levesque, Louis St-Laurent, Henrique Weber, Simon Turbide, Virginia Foot, Camilla Robinson

Proceedings Volume 11416, 114160H (2020) https://doi.org/10.1117/12.2560078

KEYWORDS: Cameras, Light emitting diodes, Image segmentation, Reflectivity, Image processing, Fluorescence spectroscopy, UV-Vis spectroscopy, Classification systems, Image classification

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Proceedings Article | 20 November 2017 Open Access

Early development in synthetic aperture lidar sensing and processing for on-demand high resolution imaging

Alain Bergeron, Simon Turbide, Marc Terroux, Linda Marchese, Bernd Harnisch

Proceedings Volume 10564, 105642F (2017) https://doi.org/10.1117/12.2309114

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Proceedings Article | 17 November 2017 Open Access

Synthetic aperture lidar as a future tool for earth observation

Simon Turbide, Linda Marchese, Marc Terroux, Alain Bergeron

Proceedings Volume 10563, 105633V (2017) https://doi.org/10.1117/12.2304256

KEYWORDS: Synthetic aperture radar, Optoelectronics, Image processing, LIDAR, Image resolution, Astronomical imaging, Prototyping, Imaging systems, Data acquisition, Radar

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Synthetic aperture radar (SAR) is a tool of prime importance for Earth observation; it provides day and night capabilities in various weather conditions. State-of-the-art satellite SAR systems are a few meters in height and width and achieve resolutions of less than 1 m with revisit times on the order of days. Today’s Earth observation needs demand higher resolution imaging together with timelier data collection within a compact low power consumption payload. Such needs are seen in Earth Observation applications such as disaster management of earthquakes, landslides, forest fires, floods and others. In these applications the availability of timely reliable information is critical to assess the extent of the disaster and to rapidly and safely deploy rescue teams.

Synthetic aperture lidar (SAL) is based on the same basic principles as SAR. Both rely on the acquisition of multiple electromagnetic echoes to emulate a large antenna aperture providing the ability to produce high resolution images. However, in SAL, much shorter optical wavelengths (1.5 μm) are used instead of radar ones (wavelengths around 3 cm). Resolution being related to the wavelength, multiple orders of magnitude of improvement could be theoretically expected. Also, the sources, the detector, and the components are much smaller in optical domain than those for radar. The resulting system can thus be made compact opening the door to deployment onboard small satellites, airborne platforms and unmanned air vehicles. This has a strong impact on the time required to develop, deploy and use a payload. Moreover, in combination with airborne deployment, revisit times can be made much smaller and accessibility to the information can become almost in real-time. Over the last decades, studies from different groups have been done to validate the feasibility of a SAL system for 2D imagery and more recently for 3D static target imagery.

In this paper, an overview of the advantages of this emerging technology will be presented. As well, simulations and laboratory demonstrations of deformation mapping using a tabletop synthetic aperture lidar system operated at 1.5 μm are reviewed. The transmitter and receptor of the fiber-based system are mounted on a translation stage which move at a constant speed relatively to the target (sand) located 25 cm away. The change in the 3D profile of the target is thereafter monitored with sub-millimeter precision using the multiple-pass SAL system. Results obtained with a SAL laboratory prototype are reviewed along with the potential applications for Earth observation.

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Proceedings Article | 18 October 2016 Presentation + Paper

Synthetic aperture ladar based on a MOPAW laser

Simon Turbide, Linda Marchese, Alain Bergeron, Louis Desbiens, Patrick Paradis

Proceedings Volume 10005, 1000502 (2016) https://doi.org/10.1117/12.2242232

KEYWORDS: Synthetic aperture radar, LIDAR, Surveillance, Image resolution, Indium oxide, Reflectivity, Optomechanical design, Oscillators, Signal to noise ratio, Image processing

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Proceedings Article | 13 October 2014 Paper

Synthetic aperture ladar concept for infrastructure monitoring

Simon Turbide, Linda Marchese, Marc Terroux, Alain Bergeron

Proceedings Volume 9250, 92500B (2014) https://doi.org/10.1117/12.2067420

KEYWORDS: Synthetic aperture radar, LIDAR, Image resolution, 3D image processing, Image processing, 3D acquisition, Interferometric synthetic aperture radar, Surveillance, Radar, Spatial resolution

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Proceedings Article | 7 October 2014 Paper

Software thermal imager simulator

Loic Le Noc, Ovidiu Pancrati, Michel Doucet, Denis Dufour, Benoit Debaque, Simon Turbide, Francois Berthiaume, Louis Saint-Laurent, Linda Marchese, Martin Bolduc, Alain Bergeron

Proceedings Volume 9249, 92490B (2014) https://doi.org/10.1117/12.2066841

KEYWORDS: Sensors, Imaging systems, Atmospheric modeling, Modulation transfer functions, Atmospheric optics, Point spread functions, Atmospheric particles, Computer simulations, Video, Fiber optic gyroscopes

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Proceedings Article | 4 August 2014 Paper

Pyramidal Wavefront Sensor Demonstrator at INO

Olivier Martin, Jean-Pierre Véran, Geneviève Anctil, Pascal Bourqui, François Châteauneuf, Jonny Gauvin, Philippe Goyette, François Lagacé, Simon Turbide, Min Wang

Proceedings Volume 9148, 91485X (2014) https://doi.org/10.1117/12.2056893

KEYWORDS: Wavefront sensors, Adaptive optics, Modulation, Cameras, Indium oxide, Sensors, Mirrors, Telescopes, Phase shift keying, Actuators

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Proceedings Article | 15 October 2013 Paper

Investigation of synthetic aperture ladar for land surveillance applications

Simon Turbide, Linda Marchese, Marc Terroux, Alain Bergeron

Proceedings Volume 8897, 889709 (2013) https://doi.org/10.1117/12.2029829

KEYWORDS: Synthetic aperture radar, Image processing, Spatial light modulators, Optoelectronics, Surveillance, Image resolution, LIDAR, Sensors, Radar, Interferometric synthetic aperture radar

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Proceedings Article | 31 May 2013 Paper

A global review of optronic synthetic aperture radar/ladar processing

Linda Marchese, Michel Doucet, Pascal Bourqui, Bernd Harnisch, Martin Suess, Mathieu Legros, Nochola Desnoyers, Simon Turbide, Sandra Turgeon, Luc Mercier, Maxime Savard, Anne Martel, François Châteauneuf, Alain Bergeron

Proceedings Volume 8714, 871416 (2013) https://doi.org/10.1117/12.2015624

KEYWORDS: Image processing, Optoelectronics, Synthetic aperture radar, Spatial light modulators, Digital image processing, LIDAR, Wavefronts, GPU based image processing, Data processing, Imaging systems

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Proceedings Article | 19 November 2012 Paper

An all-optronic synthetic aperture lidar

Simon Turbide, Linda Marchese, Marc Terroux, François Babin, Alain Bergeron

Proceedings Volume 8542, 854213 (2012) https://doi.org/10.1117/12.974754

KEYWORDS: Synthetic aperture radar, Image processing, Optoelectronics, LIDAR, Imaging systems, Sensors, Image resolution, Image restoration, Spatial light modulators, Neodymium

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Proceedings Article | 15 October 2012 Paper

Latest developments in active remote sensing at INO

F. Babin, R. Forest, B. Bourliaguet, D. Cantin, P. Cottin, O. Pancrati, S. Turbide, S. Lambert-Girard, F. Cayer, D. Lemieux, J.-F. Cormier, F. Châteauneuf

Proceedings Volume 8515, 85150E (2012) https://doi.org/10.1117/12.930960

KEYWORDS: LIDAR, Raman spectroscopy, Indium oxide, Cameras, Spectroscopy, Luminescence, Head, Sensors, Ultraviolet radiation, Absorption

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Proceedings Article | 18 August 2009 Paper

Algorithms for the categorization and identification of IR military signatures

Simon Turbide, Tracy Smithson, Daniel St-Germain, Pierre Fournier

Proceedings Volume 7457, 74570R (2009) https://doi.org/10.1117/12.828401

KEYWORDS: Infrared signatures, Detection and tracking algorithms, Algorithm development, Cameras, Sun, Carbon dioxide, Target detection, Spectral resolution, Library classification systems, Target recognition

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Showing 5 of 12 publications

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