Dr. Audrey Leong-Hoï Profile

Dr. Audrey Leong-Hoï

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Publications (10)

Proceedings Article | 1 April 2020 Presentation + Paper

Touchless interface interaction by hand tracking with a depth camera and a convolutional neural network

Audrey Leong-Hoi, Sarah Murat, Tanguy Acker, Quentin Sattler, Jean-Pierre Radoux

Proceedings Volume 11353, 113531Z (2020) https://doi.org/10.1117/12.2555676

KEYWORDS: Human-machine interfaces, Cameras, 3D modeling, Surgery, Convolutional neural networks, Computing systems, Neural networks, Gesture recognition, RGB color model, 3D vision

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Proceedings Article | 30 March 2020 Presentation + Paper

Non-rigid registration of 3D points clouds of deformed liver models with Open3D and PyCPD

Audrey Leong-Hoï, Anaïs Chambrial, Marine Collet, Jean-Pierre Radoux

Proceedings Volume 11351, 113511N (2020) https://doi.org/10.1117/12.2555673

KEYWORDS: Clouds, Liver, 3D modeling, Image registration, Rigid registration, Image processing, Detection and tracking algorithms, Cameras, Augmented reality, Statistical modeling

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Proceedings Article | 14 March 2018 Presentation

Microsphere-assisted microscopy: Contribution to the understanding of label-free super-resolution (Conference Presentation)

Sylvain Lecler, Stéphane Perrin, Audrey Leong-Hoï, Paul Montgomery

Proceedings Volume 10500, 105000P (2018) https://doi.org/10.1117/12.2291621

KEYWORDS: Microscopy, Super resolution, Image resolution, Dielectrics, Optical microscopes, Photonic nanostructures, Real time imaging, Spatial resolution, Image acquisition, Near field optics

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Proceedings Article | 26 June 2017 Paper

Role of coherence in microsphere-assisted nanoscopy

Stephane Perrin, Sylvain Lecler, Audrey Leong-Hoi, Paul Montgomery

Proceedings Volume 10330, 103300V (2017) https://doi.org/10.1117/12.2270246

KEYWORDS: Spectral resolution, Optical microscopy, Optical resolution, Optical microscopes, Geometrical optics, Super resolution, Light sources, Refractive index, Microscopy, Image resolution, Super resolution microscopy, Diffraction, Near field, Coherence imaging, Modeling

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Proceedings Article | 26 June 2017 Paper

Sub-diffraction surface topography measurement using a microsphere-assisted Linnik interferometer

Paul Montgomery, Sylvain Lecler, Audrey Leong-Hoï, Stéphane Perrin, Pierre Pfeiffer

Proceedings Volume 10329, 1032918 (2017) https://doi.org/10.1117/12.2270223

KEYWORDS: Microscopy, Image resolution, Interferometry, Photonic nanostructures, Near field optics, Interferometers, Metrology, Diffraction, Inspection, Glasses

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Proceedings Article | 26 April 2016 Paper

Overview of label-free far field optical nanoscopy techniques for nanometrology

Paul Montgomery, Audrey Leong-Hoï, Freddy Anstotz, Hui Liu, Bertrand Simon, Matthieu Debailleul, Olivier Haeberlé

Proceedings Volume 9890, 98900G (2016) https://doi.org/10.1117/12.2227582

KEYWORDS: Super resolution microscopy, Microscopy, Super resolution, Nanostructures, Optical imaging, Image resolution, Molecules, Digital holography, Nanoparticles, Confocal microscopy, Time division multiplexing, Tomography, Deconvolution, Optical microscopy

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Proceedings Article | 26 April 2016 Paper

High-resolution full-field optical coherence tomography using high dynamic range image processing

A. Leong-Hoï, R. Claveau, P. Montgomery, B. Serio, W. Uhring, F. Anstotz, M. Flury

Proceedings Volume 9890, 98900E (2016) https://doi.org/10.1117/12.2227114

KEYWORDS: Image resolution, Signal to noise ratio, Image enhancement, Signal processing

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Proceedings Article | 21 June 2015 Paper

Detection of defects in a transparent polymer with high resolution tomography using white light scanning interferometry and noise reduction

A. Leong-Hoï, R. Claveau, M. Flury, W. Uhring, B. Serio, F. Anstotz, P. Montgomery

Proceedings Volume 9528, 952807 (2015) https://doi.org/10.1117/12.2184559

KEYWORDS: Image processing, Signal to noise ratio, Polymers, Tomography, Denoising, Cameras, Signal processing, Particles, Interferometry, CCD cameras

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SPIE Journal Paper | 4 March 2015

High speed implementation of a three-dimensional shape profiler with submillimeter precision using a digital light processing device and a new efficient algorithm for absolute phase retrieval

Audrey Leong-Hoï, Paul Montgomery, Bruno Serio, Patrice Twardowski

OE, Vol. 54, Issue 03, 034102, (March 2015) https://doi.org/10.1117/12.10.1117/1.OE.54.3.034102

KEYWORDS: 3D image processing, Fringe analysis, 3D metrology, Phase retrieval, Phase shifts, Digital Light Processing, Reconstruction algorithms, Image processing, Digital filtering, Projection systems

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Proceedings Article | 1 May 2014 Paper

Three-dimensional surface reconstruction by combining a pico-digital projector for structured light illumination and an imaging system with high magnification and high depth of field

A. Leong-Hoï, B. Serio, P. Twardowski, P. Montgomery

Proceedings Volume 9132, 913219 (2014) https://doi.org/10.1117/12.2051833

KEYWORDS: 3D image processing, Fringe analysis, Reconstruction algorithms, Projection systems, Imaging systems, Microscopy, Cameras, Phase shifting, Microscopes, Image processing

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Showing 5 of 10 publications

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