Mr. Jason P. de Villiers Profile

Jason P. de Villiers

Principal Research Engineer at Council for Scientific and Industrial Research

SPIE Involvement:

Author

Area of Expertise:

Photogrammetry

Publications (8)

Proceedings Article | 13 June 2014 Paper

A versatile photogrammetric camera automatic calibration suite for multispectral fusion and optical helmet tracking

Jason de Villiers, Robert Jermy, Fred Nicolls

Proceedings Volume 9086, 90860W (2014) https://doi.org/10.1117/12.2060000

KEYWORDS: Cameras, Calibration, Imaging systems, Distortion, Actuators, Optical tracking, Light emitting diodes, Image fusion, Visualization, Long wavelength infrared

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Proceedings Article | 20 May 2013 Paper

Improved real-time photogrammetric stitching

Jason de Villiers, Jaco Cronje

Proceedings Volume 8744, 874406 (2013) https://doi.org/10.1117/12.2015581

KEYWORDS: Cameras, Panoramic photography, Visualization, Algorithms, Spherical lenses, Image processing, Imaging systems, Optical spheres, Staring arrays, Video acceleration

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Proceedings Article | 7 May 2012 Paper

A study of the sensitivity of long-range passive ranging techniques to atmospheric scintillation

Jason de Villiers, Fintan Wilson, Fred Nicolls

Proceedings Volume 8399, 83990O (2012) https://doi.org/10.1117/12.920358

KEYWORDS: Scintillation, Ranging, Cameras, Image filtering, Video, Atmospheric scintillation, Detection and tracking algorithms, Video surveillance, Gaussian filters, Turbulence

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Proceedings Article | 3 June 2011 Paper

Improved neural network modeling of inverse lens distortion

Jason de Villiers, Jaco Cronje, Fred Nicolls

Proceedings Volume 8056, 80560L (2011) https://doi.org/10.1117/12.884065

KEYWORDS: Distortion, Neurons, Neural networks, Cameras, LCDs, Modeling, Imaging systems, Radar, Artificial neural networks, Calibration

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Proceedings Article | 13 May 2011 Paper

Quantitative analysis of the improvement in omnidirectional maritime surveillance and tracking due to real-time image enhancement

Jason de Villiers, Asheer Bachoo, Fred Nicolls, Francois P. le Roux

Proceedings Volume 8052, 80520F (2011) https://doi.org/10.1117/12.884052

KEYWORDS: Image enhancement, Detection and tracking algorithms, Cameras, Video, Particle filters, Particles, Panoramic photography, Image processing, Filtering (signal processing), Global Positioning System

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Proceedings Article | 13 May 2011 Paper

Quantitative analysis of the improvement in high zoom maritime tracking due to real-time image enhancement

Asheer Bachoo, Jason de Villiers, Fred Nicolls, Francois P. le Roux

Proceedings Volume 8052, 80520E (2011) https://doi.org/10.1117/12.884046

KEYWORDS: Video, Image enhancement, Cameras, Detection and tracking algorithms, Particle filters, Zoom lenses, Particles, Video surveillance, Filtering (signal processing), Image processing

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Proceedings Article | 18 January 2010 Paper

Modeling of radial asymmetry in lens distortion facilitated by modern optimization techniques

Jason de Villiers, F. Wilhelm Leuschner, Ronelle Geldenhuys

Proceedings Volume 7539, 75390J (2010) https://doi.org/10.1117/12.838804

KEYWORDS: Distortion, Cameras, Optimization (mathematics), Manganese, Lens design, Machine vision, Zinc, Data modeling, Particles, Image enhancement

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Proceedings Article | 17 November 2008 Paper

Centi-pixel accurate real-time inverse distortion correction

Jason de Villiers, F. Wilhelm Leuschner, Ronelle Geldenhuys

Proceedings Volume 7266, 726611 (2008) https://doi.org/10.1117/12.804771

KEYWORDS: Distortion, Cameras, Data modeling, Optimization (mathematics), Modeling, Image compression, 3D metrology, 3D modeling, Motion models, Systems modeling

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Showing 5 of 8 publications

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