Dr. Ayyoub Ahar Profile

Dr. Ayyoub Ahar

Research Engineer at Flander Make v.z.w.

SPIE Involvement:

Author

Area of Expertise:

Holography , Image processing , QOE

Websites:

Company Website

Publications (6)

Proceedings Article | 12 March 2024 Presentation + Paper

Combining high-throughput imaging in visible and SWIR wavelengths for in-situ porosity prediction in laser powder bed fusion

Ayyoub Ahar, Mathieu Vandecasteele, Brian Booth, Kurt De Grave, Dries Verhees, Wilfried Philips, Abdellatif Bey-Temsamani

Proceedings Volume 12876, 1287607 (2024) https://doi.org/10.1117/12.2692836

KEYWORDS: Porosity, Short wave infrared radiation, Printing, Cameras, Data modeling, Feature extraction, Sensors, Performance modeling, Computed tomography, Additive manufacturing, Sensor fusion

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Proceedings Article | 1 April 2020 Presentation + Paper

Parameterization of the quality factor for the high throughput JPEG~2000

Ayyoub Ahar, Saeed Mahmoudpour, Osamu Watanabe, David Taubman, Peter Schelkens

Proceedings Volume 11353, 113530V (2020) https://doi.org/10.1117/12.2557414

KEYWORDS: Image quality, Visualization, Image compression, Quantization, Discrete wavelet transforms, Visual compression, Distortion, Image quality standards, JPEG2000

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Proceedings Article | 7 September 2018 Paper

Source coding of holographic data: challenges, algorithms and standardization efforts

Peter Schelkens, David Blinder, Tobias Birnbaum, Athanasia Symeonidou, Ayyoub Ahar, Colas Schretter

Proceedings Volume 10834, 108340Y (2018) https://doi.org/10.1117/12.2322721

KEYWORDS: Holography, Holograms, Computer programming, Data compression, Visualization, Computer generated holography, Image compression, Video coding, Motion estimation, Quantization, Standards development

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Proceedings Article | 19 September 2017 Paper

Ayyoub Ahar, Tobias Birnbaum, Christian Jaeh, Peter Schelkens

Proceedings Volume 10396, 103961I (2017) https://doi.org/10.1117/12.2274761

KEYWORDS: Holography, Digital holography, Distance measurement, Data processing, Data compression, Computer generated holography, Image processing, Quality measurement, Error analysis

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Proceedings Article | 29 April 2016 Paper

Speckle noise reduction for computer generated holograms of objects with diffuse surfaces

Athanasia Symeonidou, David Blinder, Ayyoub Ahar, Colas Schretter, Adrian Munteanu, Peter Schelkens

Proceedings Volume 9896, 98960F (2016) https://doi.org/10.1117/12.2225201

KEYWORDS: Computer generated holography, Speckle, Denoising, Digital holography, 3D modeling, Holography, Speckle pattern, Holograms, 3D image reconstruction, Diffraction, Light wave propagation, Visualization

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Proceedings Article | 22 September 2015 Paper

Subjective quality assessment of numerically reconstructed compressed holograms

Ayyoub Ahar, David Blinder, Tim Bruylants, Colas Schretter, Adrian Munteanu, Peter Schelkens

Proceedings Volume 9599, 95990K (2015) https://doi.org/10.1117/12.2189887

KEYWORDS: Holograms, Molybdenum, Holography, Image compression, Venus, Visualization, Quantization, Digital holography, Wavelets, 3D modeling

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Showing 5 of 6 publications

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