Dr. Frédéric Cointault Profile

Dr. Frédéric Cointault

at ENESAD

SPIE Involvement:

Author

Publications (8)

SPIE Journal Paper | 1 June 2011

Two-step cross correlation-based algorithm for motion estimation applied to fertilizer granules' motion during centrifugal spreading

Bilal Hijazi, Jürgen Vangeyte, Frédéric Cointault, Julien Dubois, Sebastien Coudert, Michel Paindavoine, Jan Pieters

OE, Vol. 50, Issue 06, 067002, (June 2011) https://doi.org/10.1117/12.10.1117/1.3582859

KEYWORDS: Motion estimation, Particles, Algorithm development, Computer simulations, Error analysis, Optical engineering, Imaging systems, Agriculture, Mechanics, Cameras

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Proceedings Article | 10 February 2009 Paper

High-speed motion estimation of fertilizer granules with Gabor filters

B. Hijazi, F. Cointault, F. Yang, M. Paindavoine

Proceedings Volume 7126, 712616 (2009) https://doi.org/10.1117/12.822499

KEYWORDS: Motion estimation, Image processing, Light emitting diodes, Image resolution, Imaging systems, Image filtering, High speed imaging, Motion models, Optical filters, Image acquisition

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SPIE Journal Paper | 1 July 2008

Simple imaging system to measure velocity and improve the quality of fertilizer spreading in agriculture

Sylvain Villette, Frédéric Cointault, E. Piron, B. Chopinet, Michel Paindavoine

JEI, Vol. 17, Issue 03, 031109, (July 2008) https://doi.org/10.1117/12.10.1117/1.2956835

KEYWORDS: Imaging systems, Velocity measurements, Particles, Image processing, Image acquisition, Binary data, Hough transforms, Light sources and illumination, Digital filtering, Image filtering

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Proceedings Article | 26 February 2008 Paper

Statistical methods for texture analysis applied to agronomical images

F. Cointault, L. Journaux, P. Gouton

Proceedings Volume 6813, 68130W (2008) https://doi.org/10.1117/12.768649

KEYWORDS: Ear, Image segmentation, Statistical methods, Image processing, Statistical analysis, Visualization, Feature extraction, Image classification, Algorithm development, Light sources and illumination

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Proceedings Article | 29 May 2007 Paper

Velocity measurement using motion blurred images to improve the quality of fertiliser spreading in agriculture

S. Villette, F. Cointault, P. Zwaenepoel, B. Chopinet, M. Paindavoine

Proceedings Volume 6356, 63560I (2007) https://doi.org/10.1117/12.736744

KEYWORDS: Particles, Motion measurement, Imaging systems, Hough transforms, Binary data, Velocity measurements, Kinematics, Image processing, Agriculture, Motion models

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Proceedings Article | 29 May 2007 Paper

Texture analysis with statistical methods for wheat ear extraction

M. Bakhouche, F. Cointault, P. Gouton

Proceedings Volume 6356, 63560L (2007) https://doi.org/10.1117/12.736913

KEYWORDS: Ear, Statistical methods, Statistical analysis, Image segmentation, Feature extraction, Machine vision, Fourier transforms, Mobile robots, Image acquisition, Image processing

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SPIE Journal Paper | 1 February 2006

Optimizing Hough transform for fertilizer spreading optical control

Sylvain Villette, F. Cointault, B. Chopinet, Michel Paindavoine

OE, Vol. 45, Issue 02, 027006, (February 2006) https://doi.org/10.1117/12.10.1117/1.2173649

KEYWORDS: Particles, Hough transforms, Image processing, Image segmentation, Binary data, Optical engineering, Imaging systems, Cameras, Quantization, Digital filtering

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Proceedings Article | 1 August 2003 Paper

High-speed imaging system and motion estimation methods applied to the control of mineral fertilizer spreading

F. Cointault

Proceedings Volume 4948, (2003) https://doi.org/10.1117/12.516727

KEYWORDS: Motion estimation, Motion models, Imaging systems, Particles, Minerals, High speed imaging, Control systems, Cameras, Agriculture, Sensors

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Showing 5 of 8 publications

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