Prof. Yunlong Sheng Profile

Prof. Yunlong Sheng

Professor, retired at Univ Laval

SPIE Involvement:

Conference Program Committee | Author | Editor

Area of Expertise:

Nanooptics , Optical tweezers , Fiber Bragg gratings , image processing , Object detection , Cell mechanics

Websites:

Company Website

Publications (107)

SPIE Journal Paper | 29 December 2023 Open Access

Diffractive optical elements 75 years on: from micro-optics to metasurfaces

Qiang Zhang, Zehao He, Zhenwei Xie, Qiaofeng Tan, Yunlong Sheng, Guofan Jin, Liangcai Cao, Xiaocong Yuan

PI, Vol. 2, Issue 04, R09, (December 2023) https://doi.org/10.1117/12.10.3788/PI.2023.R09

KEYWORDS: Diffractive optical elements, Diffraction, Modulation, Design, Holograms, Photonics, Micro optics, Holography, Polarization, Multiplexing

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Proceedings Article | 24 November 2021 Paper

Orientation of crossing mode micro cylinders in linearly polarized optical tweezers

Yuhua Yang, Yunlong Sheng

Proceedings Volume 12062, 120620V (2021) https://doi.org/10.1117/12.2607123

KEYWORDS: Particles, Gold, Optical tweezers, Scattering, Geometrical optics, Electromagnetism, Laser scattering, Laser optics, Finite element methods, 3D modeling

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Proceedings Article | 1 August 2021 Poster

Optical manipulation mechanisms of one micron-size gold particles

Yuhua Yang, Yunlong Sheng

Proceedings Volume 11798, 117982R (2021) https://doi.org/10.1117/12.2594137

Proceedings Article | 11 June 2018 Paper

An overview of joint activities on computational imaging and compressive sensing systems by NATO SET-232

Todd Du Bosq, Sanjeev Agarwal, Judith Dijk, Alper Gungor, H. Emre Guven, Terence Haran, Martin Laurenzis, Kevin Leonard, Abhijit Mahalanobis, Gabriela Paunescu, Jonathan Piper, Endre Repasi, Yunlong Sheng

Proceedings Volume 10669, 106690H (2018) https://doi.org/10.1117/12.2307852

KEYWORDS: Imaging systems, Sensors, Computational imaging, Image resolution, Image compression, Compressed sensing, Cameras, Spatial resolution, Multiplexing, Computing systems

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Proceedings Article | 31 October 2016 Paper

Design of computer-generated hologram apertures with the Abbe transform

Jing Wang, Yunlong Sheng

Proceedings Volume 10022, 100221F (2016) https://doi.org/10.1117/12.2247849

KEYWORDS: Computer generated holography, Binary data, Diffraction, Holograms, Genetic algorithms, Optimization (mathematics), Optical design, Diffraction gratings, Stochastic processes, Holography

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Proceedings Article | 11 May 2016 Paper

A comparative study of experimental and finite element analysis on submillimeter flaws by laser and ultrasonic excited thermography

Hai Zhang, Henrique Fernandes, Lingyao Yu, Ulf Hassler, Marc Genest, François Robitaille, Simon Joncas, Yunlong Sheng, Xavier Maldague

Proceedings Volume 9861, 98611A (2016) https://doi.org/10.1117/12.2223209

KEYWORDS: Thermography, Thermal modeling, Finite element methods, Infrared cameras, Fourier transforms, Infrared radiation, Image processing, Ultrasonics, Inspection, Cameras

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Proceedings Article | 5 October 2015 Presentation

Tilted optical trapping of anisotropic single crystal nanorod (Presentation Recording)

Paul Brule-Bareil, Yunlong Sheng

Proceedings Volume 9548, 95481Y (2015) https://doi.org/10.1117/12.2188458

KEYWORDS: Optical tweezers, Crystals, Laser crystals, Spherical lenses, Video, Optical micromanipulation, Current controlled current source, Nanorods

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SPIE Journal Paper | 5 March 2015

Temporal response of three-dimensional biological cells to high-frequency optical jumping tweezers

Lingyao Yu, Yunlong Sheng

JNP, Vol. 9, Issue 01, 093083, (March 2015) https://doi.org/10.1117/12.10.1117/1.JNP.9.093083

KEYWORDS: 3D modeling, Finite element methods, Protactinium, Optical tweezers, Biomedical optics, Laser sintering, Biological research, Solids, Mechanics, Laser optics

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Proceedings Article | 16 September 2014 Paper

Temporal response of biological cells to high-frequency optical jumping and vibrating tweezers

Lingyao Yu, Yunlong Sheng

Proceedings Volume 9164, 91640R (2014) https://doi.org/10.1117/12.2062387

KEYWORDS: 3D modeling, Finite element methods, Optical tweezers, Protactinium, Biomedical optics, Laser sintering, Biological research, Solids, Laser optics, Epitaxial lateral overgrowth

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Proceedings Article | 30 September 2013 Paper

Object detection by optical correlator and intelligence recognition surveillance systems

Yunlong Sheng

Proceedings Volume 8833, 88330I (2013) https://doi.org/10.1117/12.2024681

KEYWORDS: Optical pattern recognition, Neurons, Optical filters, Optical correlators, Intelligence systems, Composites, Airborne remote sensing, Detection and tracking algorithms, Electronic filtering, Image processing

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Proceedings Article | 12 September 2013 Paper

Optical trapping of anisotropic nanocylinder

Paul Bareil, Yunlong Sheng

Proceedings Volume 8810, 88102V (2013) https://doi.org/10.1117/12.2024509

KEYWORDS: Spherical lenses, Particles, Optical tweezers, Light scattering, Scattering, Maxwell's equations, Laser scattering, Dielectrics, Nanoparticles, Interfaces

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SPIE Journal Paper | 7 May 2013

Identification of targeting optical systems by multiwavelength retroreflection

Michel Auclair, Yunlong Sheng, Jean Fortin

OE, Vol. 52, Issue 05, 054301, (May 2013) https://doi.org/10.1117/12.10.1117/1.OE.52.5.054301

KEYWORDS: Retroreflectors, Signal detection, Optical filters, Cameras, Calibration, Optical engineering, Reflectivity, Target detection, Solids, Pulsed laser operation

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Proceedings Article | 26 November 2012 Paper

Theory on the quasi-cylindrical wave diffracted by a sub-wavelength metallic slit and its enhancement by surface plasmon resonance

Yann Gravel, Yunlong Sheng

Proceedings Volume 8556, 85560F (2012) https://doi.org/10.1117/12.2001668

KEYWORDS: Metals, Spiral phase plates, Dielectrics, Interfaces, Magnetism, Diffraction, Surface plasmons, Resonance enhancement, Convolution, Silver

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Proceedings Article | 9 May 2012 Paper

Saliency region selection in large aerial imagery using multiscale SLIC segmentation

Samir Sahli, Daniel Lavigne, Yunlong Sheng

Proceedings Volume 8360, 83600D (2012) https://doi.org/10.1117/12.919535

KEYWORDS: Image segmentation, Airborne remote sensing, Silicon, Binary data, Information technology, Image resolution, Image processing, Visualization, Data transmission, Image quality

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Proceedings Article | 5 December 2011 Paper

Fourier analysis of metallic near-field superlens

Yunlong Sheng, Guillaume Tremblay, Yann Gravel

Proceedings Volume 8197, 81970B (2011) https://doi.org/10.1117/12.916667

KEYWORDS: Near field, Imaging systems, Metals, Image quality, Fourier optics, Point spread functions, Maxwell's equations, Spatial frequencies, Interfaces, Image resolution

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Proceedings Article | 21 September 2011 Paper

Fourier optics and near-field superlens

Yunlong Sheng, Guillaume Tremblay, Yann Gravel

Proceedings Volume 8122, 81220K (2011) https://doi.org/10.1117/12.897188

KEYWORDS: Near field, Fourier optics, Metals, Point spread functions, Near field optics, Spatial frequencies, Imaging systems, Chemical elements, Image quality, Finite-difference time-domain method

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SPIE Journal Paper | 1 September 2011 Open Access

Measuring integrated cellular mechanical stress response at focal adhesions by optical tweezers

Francois Bordeleau, Judicael Bessard, Yunlong Sheng, Normand Marceau

JBO, Vol. 16, Issue 09, 095005, (September 2011) https://doi.org/10.1117/12.10.1117/1.3626864

KEYWORDS: Optical tweezers, Cytoskeletons, Photonics, Modulation, Calibration, Camera shutters, Confocal microscopy, Proteins, Microscopes, Mirrors

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Proceedings Article | 26 May 2011 Paper

Robust vehicle detection in aerial images based on salient region selection and superpixel classification

Samir Sahli, Pierre-Luc Duval, Yunlong Sheng, Daniel Lavigne

Proceedings Volume 8020, 80200L (2011) https://doi.org/10.1117/12.883890

KEYWORDS: Binary data, Feature extraction, Image resolution, Transform theory, Image segmentation, Distance measurement, Target detection, Surveillance, Image classification, Sensors

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Proceedings Article | 26 May 2011 Paper

Robust component-based car detection in aerial imagery with new segmentation techniques

Yueh Ouyang, Pierre-Luc Duval, Yunlong Sheng, Daniel Lavigne

Proceedings Volume 8020, 80200M (2011) https://doi.org/10.1117/12.884356

KEYWORDS: Image segmentation, Signal attenuation, Sun, Cameras, Detection and tracking algorithms, Airborne remote sensing, Image processing algorithms and systems, Image processing, Light, RGB color model

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Proceedings Article | 17 November 2010 Paper

Metallic superlens designed with close-to-cutoff of long-range SPP mode

Guillaume Tremblay, Yunlong Sheng

Proceedings Volume 7848, 78480G (2010) https://doi.org/10.1117/12.870337

KEYWORDS: Metals, Near field, Wave propagation, Aluminum, Surface plasmons, Waveguides, Spatial frequencies, Interfaces, Free space, Near field optics

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Proceedings Article | 11 September 2010 Paper

Metallic superlens design using the long-range SPP mode cutoff technique

Guillaume Tremblay, Yunlong Sheng

Proceedings Volume 7757, 77570W (2010) https://doi.org/10.1117/12.860228

KEYWORDS: Metals, Aluminum, Surface plasmons, Spatial frequencies, Wave propagation, Image transmission, Silver, Interfaces, Free space, Image enhancement

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Proceedings Article | 28 August 2010 Paper

Dynamic deformation of a soft particle by dual-trap optical tweezers

Sebastien Rancourt-Grenier, Ming-Tzo Wei, Jar-Jin Bai, Arthur Chiou, Paul Bareil, Pierre-Luc Duval, Yunlong Sheng

Proceedings Volume 7762, 77621H (2010) https://doi.org/10.1117/12.860262

KEYWORDS: Optical tweezers, Spherical lenses, Blood, Finite-difference time-domain method, Geometrical optics, Refractive index, Particles, Ray tracing, Finite element methods, Optical spheres

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Proceedings Article | 28 August 2010 Paper

Study of angular and position stability in optical trap of a nanorod

Paul Bareil, Yunlong Sheng

Proceedings Volume 7762, 77621A (2010) https://doi.org/10.1117/12.860543

KEYWORDS: Optical tweezers, Polarization, Spherical lenses, Scattering, Particles, Laser scattering, Nanoparticles, Electromagnetism, 3D modeling, Nanorods

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Proceedings Article | 26 April 2010 Paper

Robust component-based car detection and counting in aerial imagery based on the mean-shift colour space clustering

Yueh Ouyang, Samir Sahli, Yunlong Sheng, Daniel Lavigne

Proceedings Volume 7668, 76680H (2010) https://doi.org/10.1117/12.852613

KEYWORDS: Image segmentation, Image processing algorithms and systems, Airborne remote sensing, Image resolution, Spatial resolution, Specular reflections, RGB color model, Reconnaissance, Surveillance, Image classification

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Proceedings Article | 26 April 2010 Paper

Robust vehicle detection in low-resolution aerial imagery

Samir Sahli, Yueh Ouyang, Yunlong Sheng, Daniel Lavigne

Proceedings Volume 7668, 76680G (2010) https://doi.org/10.1117/12.850387

KEYWORDS: Airborne remote sensing, Image resolution, Feature extraction, Spatial resolution, 3D modeling, Detection and tracking algorithms, Laser optics, Algorithm development, Image quality, Machine learning

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Proceedings Article | 2 September 2009 Paper

Transient surface plasmon polariton launched by a metal subwavelength slit scattering

Yann Gravel, Yunlong Sheng

Proceedings Volume 7395, 73950V (2009) https://doi.org/10.1117/12.825682

KEYWORDS: Metals, Magnetism, Interfaces, Wave propagation, Surface plasmon polaritons, Scattering, Radio propagation, Maxwell's equations, Light scattering, Near field

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Proceedings Article | 20 August 2009 Paper

Theoretical prediction for cell deformation in the optical traps

Paul Bareil, Yunlong Sheng, Arthur Chiou

Proceedings Volume 7400, 74000D (2009) https://doi.org/10.1117/12.826638

KEYWORDS: Spherical lenses, Geometrical optics, Gaussian beams, Optical tweezers, Fiber optics, Blood, Mie scattering, Optical spheres, Data modeling, Photonics

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Proceedings Article | 5 August 2009 Paper

Antigen detection at atomolar concentration using optical tweezers

Mathieu Laliberté, François Bordeleau, Normand Marceau, Yunlong Sheng

Proceedings Volume 7386, 738609 (2009) https://doi.org/10.1117/12.839769

KEYWORDS: Optical tweezers, Coating, Proteins, Microscopes, Cancer, Mirrors, Calibration, Objectives, Beam splitters, Environmental sensing

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Proceedings Article | 27 January 2009 Paper

Imaging performances of the metallic superlens

Guillaume Tremblay, Yunlong Sheng

Proceedings Volume 7156, 715602 (2009) https://doi.org/10.1117/12.812053

KEYWORDS: Metals, Interfaces, Waveguides, Superlenses, Signal attenuation, Silver, Magnetism, Polymethylmethacrylate, Wave propagation, Stereolithography

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Proceedings Article | 17 March 2008 Paper

Multiscale beamlet transform application to airfield runway detection

Samir Sahli, Yunlong Sheng

Proceedings Volume 6977, 69770G (2008) https://doi.org/10.1117/12.777578

KEYWORDS: Image segmentation, Edge detection, Sensors, Image processing, Beam analyzers, Tolerancing, Target recognition, Wavelet transforms, Laser optics, Optical pattern recognition

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Proceedings Article | 4 January 2008 Paper

Mechanism of coupling and interference in nano-slit

Bora Ung, Yunlong Sheng

Proceedings Volume 6832, 68320E (2008) https://doi.org/10.1117/12.754802

KEYWORDS: Spiral phase plates, Metals, Diffraction, Resonators, Finite-difference time-domain method, Radio propagation, Fabry–Perot interferometers, Beam propagation method, Reflection, Wave propagation

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Proceedings Article | 4 January 2008 Paper

Polynomial phase mask for extending depth-of-field optimized by simulated annealing

Nicolas Caron, Yunlong Sheng

Proceedings Volume 6832, 68321G (2008) https://doi.org/10.1117/12.754805

KEYWORDS: Modulation transfer functions, Optical transfer functions, Fourier transforms, Algorithms, Point spread functions, Phase transfer function, Microscopes, Deconvolution, Phase shift keying, Diffraction

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Proceedings Article | 4 January 2008 Paper

Evaluation of fiber coupling coefficient by a deformed cell in dual-beam optical stretcher

Paul Brule-Bareil, Yunlong Sheng

Proceedings Volume 6832, 68320L (2008) https://doi.org/10.1117/12.754723

KEYWORDS: Monochromatic aberrations, Spherical lenses, Fiber couplers, Geometrical optics, Optical fibers, Gaussian beams, Photonics, Blood, Refraction, Tin

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Proceedings Article | 8 September 2006 Paper

Effects of the phase shift split on distributed-feedback (DFB) fiber Bragg gratings

Guillaume Tremblay, Yunlong Sheng

Proceedings Volume 6343, 634343 (2006) https://doi.org/10.1117/12.707930

KEYWORDS: Phase shifts, Fiber Bragg gratings, Reflectivity, Photomasks, Picosecond phenomena, Optical filters, Phase shift keying, Fabrication, Error analysis, Modulation

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Proceedings Article | 8 September 2006 Paper

Photonics force distribution on spherical cell membrane in optical stretcher

Paul Bareil, Yunlong Sheng, Arthur Chiou

Proceedings Volume 6343, 63430D (2006) https://doi.org/10.1117/12.707489

KEYWORDS: Spherical lenses, Photonics, Gaussian beams, Geometrical optics, Mathematical modeling, Optical fibers, Biomedical optics, Ray tracing, Refraction, Optical spheres

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Proceedings Article | 8 September 2006 Paper

Photonic force microscopy of local tension at cell surface focal adhesions

François Bordeleau, Judicaël Bessard, Normand Marceau, Yunlong Sheng

Proceedings Volume 6343, 63430A (2006) https://doi.org/10.1117/12.706573

KEYWORDS: Optical tweezers, Photonic microstructures, Microscopy, Microscopes, Receptors, Calibration, Proteins, Sensors, Fiber lasers, Photodiodes

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Proceedings Article | 28 January 2006 Paper

Effect of the cladding-mode coupling losses on the spectrum of a multi-channel fiber Bragg grating

Hongpu Li, Yuusaka Nakamura, Kazuhiko Ogusu, Yunlong Sheng

Proceedings Volume 6025, 60251V (2006) https://doi.org/10.1117/12.667082

KEYWORDS: Fiber Bragg gratings, Apodization, Dispersion, Cladding, Dense wavelength division multiplexing, Picosecond phenomena, Physics, Laser optics, Single mode fibers, Refractive index

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Proceedings Article | 28 January 2006 Paper

Numerical optimization of the fiber Bragg gratings with fabrication constraints

Yunlong Sheng, Yueu OuYang, Guillaume Tremblay, Jean-Numa Gillet, Yannick Beaudroin, Martin Bernier, Gille Paul-Hus

Proceedings Volume 6025, 60251W (2006) https://doi.org/10.1117/12.667087

KEYWORDS: Fiber Bragg gratings, Optical design, Phase shifts, Reflectivity, Holography, Genetic algorithms, Computer programming, Custom fabrication, Bandpass filters, Fourier transforms

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Proceedings Article | 20 January 2006 Paper

Near field diffraction of phase-shifted phase grating for side-writing fiber Bragg gratings

Yunlong Sheng, Li Sun, Joshua Rothenberg, Hongpu Li, Ying Wang

Proceedings Volume 6027, 602707 (2006) https://doi.org/10.1117/12.667703

KEYWORDS: Fiber Bragg gratings, Phase shifts, Photomasks, Diffraction gratings, Phase shift keying, Near field diffraction, Finite-difference time-domain method, Modulation, Diffraction, Binary data

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Proceedings Article | 22 March 2005 Paper

Three-dimensional visualization of human fundus from a sequence of angiograms

France Laliberte, Langis Gagnon, Yunlong Sheng

Proceedings Volume 5664, (2005) https://doi.org/10.1117/12.583379

KEYWORDS: Cameras, Eye, Angiography, 3D acquisition, 3D image processing, Retina, Visualization, 3D modeling, Spherical lenses, Blood vessels

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Proceedings Article | 7 February 2005 Paper

Split of phase shifts in phase mask for proximity side-writing fiber Bragg gratings

Yunlong Sheng, Joshua Rothenberg, Hongpu Li, Ying Wang

Proceedings Volume 5636, (2005) https://doi.org/10.1117/12.569024

KEYWORDS: Phase shifts, Fiber Bragg gratings, Photomasks, Near field, Phase shift keying, Optical design, Binary data, Error analysis, Diffraction, Finite-difference time-domain method

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Proceedings Article | 11 January 2005 Paper

Design and fabrication of complex fiber Bragg gratings using diffractive optics technology

Yunlong Sheng, Joshua Rothenberg, Hongpu Li

Proceedings Volume 5642, (2005) https://doi.org/10.1117/12.569816

KEYWORDS: Fiber Bragg gratings, Phase shift keying, Phase shifts, Optical design, Modulation, Near field optics, Reflectivity, Fourier transforms, Diffraction, Binary data

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SPIE Journal Paper | 1 November 2004

Diffraction of phase mask with stitching errors in fabrication of fiber Bragg gratings

Yunlong Sheng, Yue Qiu, Jingcong Wang

OE, Vol. 43, Issue 11, (November 2004) https://doi.org/10.1117/12.10.1117/1.1802251

KEYWORDS: Diffraction, Fiber Bragg gratings, Error analysis, Diffraction gratings, Near field, Far-field diffraction, Near field diffraction, Ultraviolet radiation, Near field optics, Fourier transforms

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SPIE Journal Paper | 1 November 2004 Open Access

Diffractive Optics

Yunlong Sheng, Pierre Ambs

OE, Vol. 43, Issue 11, (November 2004) https://doi.org/10.1117/12.10.1117/1.1813443

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Proceedings Article | 16 September 2002 Paper

Image invariant moments for shape description

Yunlong Sheng, Ziliang Ping, RiGeng Wu

Proceedings Volume 4929, (2002) https://doi.org/10.1117/12.483220

KEYWORDS: Binary data, Computing systems, Image restoration, Pattern recognition, Image segmentation, Image quality, Fourier transforms, Zernike polynomials, Feature selection, Shape analysis

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Proceedings Article | 30 August 2002 Paper

Modeling phase mask diffraction for fiber Bragg grating fabrication

Yunlong Sheng, Jingcong Wang, Yue Qiu

Proceedings Volume 4924, (2002) https://doi.org/10.1117/12.481508

KEYWORDS: Photomasks, Diffraction, Fiber Bragg gratings, Near field, Diffraction gratings, Ultraviolet radiation, Holography, Phase shifts, Error analysis, Far-field diffraction

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Proceedings Article | 30 August 2002 Paper

Novel genetic algorithm for the multiplexed computer-generated hologram with polygonal apertures

Jean-Numa Gillet, Yunlong Sheng

Proceedings Volume 4924, (2002) https://doi.org/10.1117/12.481510

KEYWORDS: Computer generated holography, Diffraction, Genetic algorithms, Multiplexing, Optical design, Organisms, Genetics, Binary data, Electron beam lithography, Optimization (mathematics)

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Proceedings Article | 8 March 2002 Paper

Physical wavelets: applications in optics

Sylvain Deschenes, Yunlong Sheng

Proceedings Volume 4738, (2002) https://doi.org/10.1117/12.458750

KEYWORDS: Wavelets, Diffraction, Wavelet transforms, Electromagnetism, Fourier transforms, Spherical lenses, Optical properties, Convolution, Optical signal processing, Polarization

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Proceedings Article | 26 December 2001 Paper

Novel polygonal-aperture encoding for designing diffractive optical elements

Jean-Numa Gillet, Yunlong Sheng

Proceedings Volume 4435, (2001) https://doi.org/10.1117/12.451133

KEYWORDS: Computer generated holography, Multiplexing, Diffraction, Optical design, Reconstruction algorithms, Fourier transforms, Holograms, Computer programming, Diffractive optical elements, 3D image reconstruction

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Proceedings Article | 22 March 2001 Paper

Robust automatic ground image feature extraction for multisensor image registration

Veneree Randrianarisoa, Xiangjie Yang, Yunlong Sheng, Leandre Sevigny, Pierre Valin

Proceedings Volume 4385, (2001) https://doi.org/10.1117/12.421100

KEYWORDS: Image registration, Infrared imaging, Infrared radiation, Visible radiation, Sensors, Feature extraction, Binary data, Image restoration, Edge detection, Signal to noise ratio

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Proceedings Article | 22 March 2001 Paper

Wavelet domain superresolution reconstruction of infrared image sequences

Jun Li, Yunlong Sheng, Leandre Sevigny, Pierre Valin

Proceedings Volume 4385, (2001) https://doi.org/10.1117/12.421098

KEYWORDS: Super resolution, Wavelets, Infrared imaging, Reconstruction algorithms, Infrared radiation, Image restoration, Image processing, Image sensors, Error analysis, Spatial resolution

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Proceedings Article | 17 July 2000 Paper

Improving spatial resolution of infrared images by means of sensor fusion

Jun Li, Yunlong Sheng

Proceedings Volume 4044, (2000) https://doi.org/10.1117/12.391917

KEYWORDS: Image fusion, Infrared imaging, Infrared radiation, Wavelets, Visible radiation, Spatial resolution, Image filtering, Sensors, Image processing, Sensor fusion

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Proceedings Article | 24 May 2000 Paper

Optical correlator for textile web defect detection

Nathalie Blanchard, Donald Prevost, Yunlong Sheng

Proceedings Volume 4089, (2000) https://doi.org/10.1117/12.386806

KEYWORDS: Wavelets, Optical correlators, Defect detection, Filtering (signal processing), Wavelet transforms, Optical filters, Electronic filtering, Diffraction, Fourier transforms, Laser optics

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Proceedings Article | 24 May 2000 Paper

Optical three-dimensional correlation and Fourier transform

Yunlong Sheng, Daniel McReynolds

Proceedings Volume 4089, (2000) https://doi.org/10.1117/12.386858

KEYWORDS: Cameras, Fourier transforms, 3D image processing, 3D modeling, 3D acquisition, Imaging systems, 3D vision, Spatial frequencies, Target detection, Optical correlators

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Proceedings Article | 24 May 2000 Paper

Optical correlation for machine vision

Yunlong Sheng, Daniel McReynolds, Xiangjie Yang

Proceedings Volume 4089, (2000) https://doi.org/10.1117/12.386829

KEYWORDS: Image registration, Image fusion, Sensors, Image sensors, Optical correlators, Video, Image restoration, Cameras, Machine vision, Visible radiation

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SPIE Journal Paper | 1 May 2000

Fourier-Mellin descriptor and interpolated feature space trajectories for three-dimensional object recognition

Ziliang Ping, Yunlong Sheng, Sylvain Deschenes, Henri Arsenault

OE, Vol. 39, Issue 05, (May 2000) https://doi.org/10.1117/12.10.1117/1.602488

KEYWORDS: Binary data, Image segmentation, Object recognition, 3D image processing, Databases, Infrared imaging, Image classification, 3D acquisition, Pattern recognition, Detection and tracking algorithms

Proceedings Article | 3 April 2000 Paper

Adaptive hill climbing and iterative closest point algorithm for multisensor image registration with partial Hausdorff distance

Xiangjie Yang, Yunlong Sheng, Weiguang Guan, Pierre Valin, Leandre Sevigny

Proceedings Volume 4051, (2000) https://doi.org/10.1117/12.381623

KEYWORDS: Image registration, Sensors, Image sensors, Image fusion, Cameras, Image segmentation, Feature extraction, Reflectivity, Image processing, Infrared imaging

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Proceedings Article | 31 March 2000 Paper

Optical three-dimensional correlation

Yunlong Sheng, Daniel McReynolds

Proceedings Volume 4043, (2000) https://doi.org/10.1117/12.381597

KEYWORDS: Cameras, 3D image processing, Fourier transforms, 3D acquisition, 3D vision, Imaging systems, 3D modeling, Joint transforms, Calibration, Spatial frequencies

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Proceedings Article | 31 March 2000 Paper

Optical correlator for textile web defect detection

Nathalie Blanchard, Donald Prevost, Yunlong Sheng

Proceedings Volume 4043, (2000) https://doi.org/10.1117/12.381604

KEYWORDS: Wavelets, Optical correlators, Wavelet transforms, Defect detection, Electronic filtering, Optical filters, Linear filtering, Diffraction, Image filtering, Filtering (signal processing)

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Proceedings Article | 19 July 1999 Paper

Optimal phase mask for writing fiber Bragg gratings

Yue Qiu, Yunlong Sheng, Peter Kung

Proceedings Volume 3749, (1999) https://doi.org/10.1117/12.354845

KEYWORDS: Photomasks, Fiber Bragg gratings, Diffraction, Refractive index, Ultraviolet radiation, Diffraction gratings, Laser optics, Wavelength division multiplexing, Excimer lasers, Structured optical fibers

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Proceedings Article | 19 July 1999 Paper

Electromagnetic wavelet propagation and diffraction

Yunlong Sheng, Sylvain Dechenes

Proceedings Volume 3749, (1999) https://doi.org/10.1117/12.355042

KEYWORDS: Wavelets, Electromagnetism, Wavelet transforms, Diffraction, Wave propagation, Radio propagation, Fourier transforms, Bessel beams, Nondiffracting beams, Lutetium

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Proceedings Article | 19 July 1999 Paper

Simulated quenching with temperature rescaling for designing diffractive optical elements

Jean-Numa Gillet, Yunlong Sheng

Proceedings Volume 3749, (1999) https://doi.org/10.1117/12.354954

KEYWORDS: Optical design, Diffractive optical elements, Algorithms, Heat treatments, Laser drilling, Binary data, Annealing, Holograms, Quenching (fluorescence), Computer simulations

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Proceedings Article | 15 July 1999 Paper

Stabilization of infrared image sequence with differential invariants and M-estimators

Daniel McReynolds, Pascal Marchand, Yunlong Sheng, Langis Gagnon, Leandre Sevigny

Proceedings Volume 3692, (1999) https://doi.org/10.1117/12.352873

KEYWORDS: Image registration, Cameras, Distortion, Image processing, Infrared imaging, Sensors, Image filtering, Image sensors, Infrared radiation, Surveillance

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Proceedings Article | 2 June 1999 Open Access

Multisensor image registration and optical correlation

Yunlong Sheng, Xiangjie Yang, Daniel McReynolds, Pierre Valin, Leandre Sevigny

Proceedings Volume 10296, 1029609 (1999) https://doi.org/10.1117/12.365906

KEYWORDS: Image registration, Image fusion, Infrared imaging, Visible radiation, Infrared radiation, Infrared detectors, Video, Image restoration, Target detection, Target recognition

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Proceedings Article | 22 March 1999 Paper

Spatially localized electromagnetic wavelets

Yunlong Sheng, Sylvain Deschenes

Proceedings Volume 3723, (1999) https://doi.org/10.1117/12.342936

KEYWORDS: Wavelets, Electromagnetism, Wavelet transforms, Fourier transforms, Bessel beams, Wave propagation, Radio propagation, Nondiffracting beams, Diffraction, Lutetium

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Proceedings Article | 12 March 1999 Paper

Real-world multisensor image alignment using edge focusing and Hausdorff distances

Yunlong Sheng, Xiangjie Yang, Daniel McReynolds, Zhong Zhang, Langis Gagnon, Leandre Sevigny

Proceedings Volume 3719, (1999) https://doi.org/10.1117/12.341340

KEYWORDS: Sensors, Image registration, Infrared imaging, Edge detection, Image sensors, Image fusion, Visible radiation, Feature extraction, Thermography, Distance measurement

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Proceedings Article | 9 March 1999 Paper

Cubic spline smoothing of feature space trajectory for 3D object recognition

Sylvain Deschenes, Ziliang Ping, Yunlong Sheng

Proceedings Volume 3715, (1999) https://doi.org/10.1117/12.341320

KEYWORDS: Object recognition, 3D image processing, Wavelets, Infrared imaging, Detection and tracking algorithms, Infrared radiation, Wavelet transforms, Lithium, Image segmentation, Edge detection

Read Abstract +

Proceedings Article | 4 December 1998 Paper

Stabilization of infrared image sequence with rotation, scaling and view angle changes

Daniel McReynolds, Yunlong Sheng, Langis Gagnon, Leandre Sevigny

Proceedings Volume 3491, (1998) https://doi.org/10.1117/12.328669

KEYWORDS: Cameras, Infrared imaging, Infrared radiation, Distortion, Image enhancement, 3D modeling, Image processing, Image registration, Sensors, Image filtering

Read Abstract +

Proceedings Article | 4 December 1998 Paper

3D object recognition using wavelet transform and feature space trajectory algorithms

Sylvain Deschenes, Yunlong Sheng, Paul Chevrette

Proceedings Volume 3491, (1998) https://doi.org/10.1117/12.328675

KEYWORDS: Wavelets, 3D image processing, Object recognition, Wavelet transforms, Detection and tracking algorithms, Linear filtering, Image filtering, Infrared imaging, Lithium, Infrared radiation

Read Abstract +

Proceedings Article | 24 September 1998 Paper

Research activities in optical communications at Universite Laval

Michel Tetu, Pierre-Andre Belanger, Michel Duguay, Tigran Galstian, Christine Latrasse, Sophie LaRochelle, Nathalie McCarthy, Claude Pare, Michel Piche, Leslie Rusch, Yunlong Sheng, Pierre Tremblay, Alain Villeneuve

Proceedings Volume 3414, (1998) https://doi.org/10.1117/12.323517

Read Abstract +

SPIE Journal Paper | 1 March 1998

Three-dimensional object recognitions from two-dimensional images using wavelet transforms and neural networks

Sylvain Deschenes, Yunlong Sheng, Paul Chevrette

OE, Vol. 37, Issue 03, (March 1998) https://doi.org/10.1117/12.10.1117/1.601908

KEYWORDS: Wavelet transforms, Infrared imaging, Object recognition, Image filtering, 3D image processing, Edge detection, Wavelets, Neural networks, Sensors, Linear filtering

Proceedings Article | 3 April 1997 Paper

Monochromatic wavelet and Huygens principle

Yunlong Sheng, Sylvain Deschenes, H. John Caulfield

Proceedings Volume 3078, (1997) https://doi.org/10.1117/12.271761

KEYWORDS: Wavelets, Electromagnetism, Wavelet transforms, Spherical lenses, Diffraction, Fourier transforms, Radio propagation, Wave propagation, Maxwell's equations, Near field diffraction

Read Abstract +

Proceedings Article | 27 March 1997 Paper

Optical implementation of image encryption using random phase mask and speckle-free phase Fresnel hologram

Luiz Neto, Yunlong Sheng

Proceedings Volume 3073, (1997) https://doi.org/10.1117/12.270387

KEYWORDS: Holograms, Image encryption, Spatial light modulators, 3D image reconstruction, Image restoration, Lenses, Fourier transforms, Optical image encryption, Optical design, Image analysis

Read Abstract +

SPIE Journal Paper | 1 September 1996

Optical real-time correlator for implementation of phase-only composite filters

Danny Roberge, Yunlong Sheng

OE, Vol. 35, Issue 09, (September 1996) https://doi.org/10.1117/12.10.1117/1.600858

KEYWORDS: Composites, Phase only filters, Phase shift keying, Optical filters, Polymer optical fibers, Modulation, Image filtering, Optical correlators, Fourier transforms, Amplitude modulation

SPIE Journal Paper | 1 September 1996

Optical implementation of image encryption using random phase encoding

Luiz Neto, Yunlong Sheng

OE, Vol. 35, Issue 09, (September 1996) https://doi.org/10.1117/12.10.1117/1.600848

KEYWORDS: Image encryption, Computer generated holography, Fourier transforms, Speckle, Image restoration, Computer programming, Optical image encryption, Spatial light modulators, Computer simulations, Deconvolution

Proceedings Article | 9 August 1996 Paper

Phase-only SLMs for optical pattern recognition and security systems

Yunlong Sheng, Luiz Goncalves Neto, Danny Roberge, Lixin Shen, Giles Paul Hus

Proceedings Volume 10287, 1028707 (1996) https://doi.org/10.1117/12.259698

KEYWORDS: Spatial light modulators, Optical pattern recognition, Phase shift keying, Computer security, Optical filters, Digital filtering, Phase only filters, Computer generated holography, Modulation, Amplitude modulation

Read Abstract +

SPIE Journal Paper | 1 November 1995

Noncentral image moments for invariant pattern recognition

Lixin Shen, Yunlong Sheng

OE, Vol. 34, Issue 11, (November 1995) https://doi.org/10.1117/12.10.1117/12.213614

KEYWORDS: Pattern recognition, Image segmentation, Image filtering, Optical filters, Image processing, Optical pattern recognition, Image restoration, Digital imaging, Remote sensing, Image classification

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Proceedings Article | 6 April 1995 Paper

Continuous scale invariant optical composite wavelet matched filters with adaptive wavelets

Danny Roberge, Yunlong Sheng

Proceedings Volume 2491, (1995) https://doi.org/10.1117/12.205410

KEYWORDS: Wavelets, Composites, Image filtering, Optical filters, Pattern recognition, Digital filtering, Image enhancement, Adaptive optics, Fourier transforms, Superposition

Read Abstract +

Proceedings Article | 28 March 1995 Paper

Real-time rotation-invariant circular-harmonic wavelet-matched filters using the coupled mode liquid crystal television (LCTV)

Lixin Shen, Yunlong Sheng

Proceedings Volume 2490, (1995) https://doi.org/10.1117/12.205772

KEYWORDS: Wavelets, Phase shift keying, Optical filters, Bandpass filters, Phase only filters, Amplitude modulation, Modulation, Optical correlators, Spatial light modulators, Image filtering

Read Abstract +

Proceedings Article | 28 March 1995 Paper

Full-complex modulation spatial light modulator using two coupled-mode modulation liquid crystal televisions

Danny Roberge, Luiz Neto, Yunlong Sheng

Proceedings Volume 2490, (1995) https://doi.org/10.1117/12.205800

KEYWORDS: Phase shift keying, Modulation, Amplitude modulation, Transmittance, Phase modulation, Holograms, Polarizers, Spatial light modulators, Liquid crystals, Interferometers

Read Abstract +

Proceedings Article | 5 August 1994 Paper

Optical pattern-recognition with the real-time phase only filters and wavelet matched filters

Yunlong Sheng, Danny Roberge, Luiz Neto, Lixin Shen, Gilles Paul-Hus

Proceedings Volume 2321, (1994) https://doi.org/10.1117/12.182104

Read Abstract +

SPIE Journal Paper | 1 July 1994

Optical composite wavelet-matched filters

Danny Roberge, Yunlong Sheng

OE, Vol. 33, Issue 07, (July 1994) https://doi.org/10.1117/12.10.1117/12.172249

KEYWORDS: Composites, Phase only filters, Optical filters, Image filtering, Phase shift keying, Wavelets, Nonlinear filtering, Fourier transforms, Signal to noise ratio, Photography

Read Abstract +

Proceedings Article | 15 March 1994 Paper

Optical composite wavelet-matched filters

Danny Roberge, Yunlong Sheng

Proceedings Volume 2242, (1994) https://doi.org/10.1117/12.170059

KEYWORDS: Phase only filters, Wavelets, Composites, Nonlinear filtering, Optical filters, Image filtering, Image enhancement, Phase shift keying, Photography, Fourier transforms

Read Abstract +

Proceedings Article | 1 March 1994 Paper

Optical implementation of the phase-only composite filter using liquid crystal television

Danny Roberge, Yunlong Sheng

Proceedings Volume 2237, (1994) https://doi.org/10.1117/12.169424

KEYWORDS: Phase only filters, Optical filters, Image filtering, Polymer optical fibers, Nonlinear filtering, Phase shift keying, Composites, Liquid crystals, Televisions, Detection and tracking algorithms

Read Abstract +

Proceedings Article | 1 March 1994 Paper

Optical real-time kinoform using liquid crystal television and iterative design

Luiz Neto, Yunlong Sheng

Proceedings Volume 2237, (1994) https://doi.org/10.1117/12.169423

KEYWORDS: Phase shift keying, Computer generated holography, Holograms, 3D image reconstruction, Modulation, Liquid crystals, Phase modulation, Amplitude modulation, Diffraction, Televisions

Read Abstract +

Proceedings Article | 20 January 1994 Paper

Methylene blue and xanthene dyes sensitized poly(vinyl alcohol) for correlation peak detection

Rupak Changkakoti, Gurusamy Manivannan, Philippe Leclere, Roger Lessard, Danny Roberge, Yunlong Sheng, Henri Arsenault

Proceedings Volume 2042, (1994) https://doi.org/10.1117/12.166335

KEYWORDS: Transmittance, Collimation, Holographic interferometry, Holography, Fabrication, Absorption, Optical filters, Spatial filters, Coating, Laser beam diagnostics

Read Abstract +

Proceedings Article | 12 January 1994 Paper

Optical real-time kinoform for on-axis phase-only correlation using a liquid crystal television

Gilles Paul-Hus, Yunlong Sheng

Proceedings Volume 2043, (1994) https://doi.org/10.1117/12.165555

KEYWORDS: Phase shift keying, Phase only filters, Optical filters, Diffraction, Phase modulation, Optical correlators, Polarization, Amplitude modulation, Modulation, Liquid crystals

Read Abstract +

Proceedings Article | 9 November 1993 Paper

Optical continuous phase-only correlator using liquid crystal television

Yunlong Sheng, Gilles Paul-Hus

Proceedings Volume 2026, (1993) https://doi.org/10.1117/12.163626

KEYWORDS: Phase only filters, Phase shift keying, Optical correlators, Optical filters, Diffraction, Phase modulation, Liquid crystals, Modulation, Televisions, Computer programming

Read Abstract +

Proceedings Article | 9 November 1993 Paper

Performance of the optical wavelet matched filter

Danny Roberge, Yunlong Sheng

Proceedings Volume 2026, (1993) https://doi.org/10.1117/12.163568

KEYWORDS: Wavelets, Phase only filters, Optical filters, Bandpass filters, Wavelet transforms, Image enhancement, Linear filtering, Optical pattern recognition, Signal detection, Fourier transforms

Read Abstract +

SPIE Journal Paper | 1 September 1993

Optical on-axis real-time phase-dominant correlator using liquid crystal television

Gilles Paul-Hus, Yunlong Sheng

OE, Vol. 32, Issue 09, (September 1993) https://doi.org/10.1117/12.10.1117/12.154105

KEYWORDS: Phase shift keying, Phase only filters, Diffraction, Polarization, Amplitude modulation, Phase modulation, Modulation, Optical correlators, Optical filters, Liquid crystals

Read Abstract +

Proceedings Article | 12 July 1993 Paper

New ways of using optics for faster pattern recognition

Henri Arsenault, Daniel Asselin, Donald Prevost, Luc Leclerc, Yunlong Sheng

Proceedings Volume 1806, (1993) https://doi.org/10.1117/12.147846

KEYWORDS: Phase only filters, Optical filters, Optical correlators, Transformers, Optical computing, Optical pattern recognition, Pattern recognition, Neural networks, Classification systems, Computing systems

Read Abstract +

Proceedings Article | 30 October 1992 Paper

Optical wavelet matched filters

Danny Roberge, Yunlong Sheng

Proceedings Volume 1812, (1992) https://doi.org/10.1117/12.131226

KEYWORDS: Wavelets, Optical filters, Signal to noise ratio, Wavelet transforms, Signal detection, Optical correlators, Electronic filtering, Image enhancement, Phase only filters, Image analysis

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Proceedings Article | 1 October 1992 Paper

Wavelet transform and its optical implementations

Yunlong Sheng, Jing Chen, Harold Szu

Proceedings Volume 1705, (1992) https://doi.org/10.1117/12.138467

KEYWORDS: Wavelets, Wavelet transforms, Fourier transforms, Optical filters, Optical correlators, Visualization, Electronic filtering, Signal processing, Visual information processing, Transmittance

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Proceedings Article | 1 October 1992 Paper

Optical N4 correlator implementation of 2D wavelet transform

Yunlong Sheng, Thomas Lu, Danny Roberge

Proceedings Volume 1705, (1992) https://doi.org/10.1117/12.138468

KEYWORDS: Wavelets, Optical filters, Optical correlators, Fourier transforms, Spatial light modulators, Image filtering, Wavelet transforms, Bandpass filters, Linear filtering, Image enhancement

Read Abstract +

SPIE Journal Paper | 1 September 1992

Optical Haar wavelet transforms of binary images

Xiangyang Yang, Harold Szu, Yunlong Sheng, H. John Caulfield

OE, Vol. 31, Issue 09, (September 1992) https://doi.org/10.1117/12.10.1117/12.59914

KEYWORDS: Wavelets, Lithium, Wavelet transforms, Polarization, Optical filters, Binary data, Computer simulations, Light, Light sources, Holography

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SPIE Journal Paper | 1 September 1992

Optical wavelet transform

Yunlong Sheng, Danny Roberge, Harold Szu

OE, Vol. 31, Issue 09, (September 1992) https://doi.org/10.1117/12.10.1117/12.59916

KEYWORDS: Wavelets, Wavelet transforms, Fourier transforms, Optical filters, Optical correlators, Signal processing, Radon, Reconstruction algorithms, Transmittance, Filtering (signal processing)

Read Abstract +

SPIE Journal Paper | 1 September 1992

Optical N₄ implementation of a two-dimensional wavelet transform

Yunlong Sheng, Thomas Lu, Danny Roberge, H. John Caulfield

OE, Vol. 31, Issue 09, (September 1992) https://doi.org/10.1117/12.10.1117/12.59962

KEYWORDS: Wavelets, Optical filters, Wavelet transforms, Holography, Optical correlators, Fourier transforms, Spatial light modulators, Transmittance, Holograms, Signal processing

Read Abstract +

Proceedings Article | 1 July 1992 Paper

Fast designing of the circular harmonic filter using simulated annealing

Guy Premont, Yunlong Sheng

Proceedings Volume 1701, (1992) https://doi.org/10.1117/12.138332

KEYWORDS: Fusion energy, Algorithms, Image filtering, Optical pattern recognition, Fourier transforms, Optical filters, Detection and tracking algorithms, Pattern recognition, Crystals, Computer simulations

Read Abstract +

SPIE Journal Paper | 1 May 1992

Real-time binary phase-only circular harmonic filters using a liquid crystal television in the Fourier plane of an optical correlator

Jean-Jacques Drolet, Luc Leclerc, Yunlong Sheng, Henri Arsenault

OE, Vol. 31, Issue 05, (May 1992) https://doi.org/10.1117/12.10.1117/12.56165

KEYWORDS: Liquid crystals, Phase only filters, Optical correlators, Optical filters, Polarization, Image filtering, Modulation, Televisions, Filtering (signal processing), Binary data

Read Abstract +

Proceedings Article | 1 April 1992 Paper

Recent results in rotation-invariant pattern recognition

H. Arsenault, Daniel Asselin, Shoude Chang, Luc Leclerc, Yunlong Sheng

Proceedings Volume 10262, 1026205 (1992) https://doi.org/10.1117/12.59849

Read Abstract +

Proceedings Article | 1 April 1992 Paper

Optical scale and rotation-invariant pattern recognition

Yunlong Sheng, Claude Lejeune

Proceedings Volume 10262, 1026206 (1992) https://doi.org/10.1117/12.59850

Read Abstract +

SPIE Press Book | 1 January 1992

An Introduction to Optics in Computers

Henri Arsenault, Yunlong Sheng

KEYWORDS: Computing systems, Optical computing, Optical interconnects, Neural networks, Mathematics, Electronics, Computer architecture

Read Description +

Proceedings Article | 1 December 1991 Paper

Microreflective elements for integrated planar optics interconnects

Yunlong Sheng, Claude Delisle, Louis Moreau, Li Song, Roger Lessard, Henri Arsenault

Proceedings Volume 1559, (1991) https://doi.org/10.1117/12.50672

KEYWORDS: Diffraction, Diffraction gratings, Mirrors, Photoresist materials, Reflectivity, Micromirrors, Optical components, Integrated optics, Chemical elements, Etching

Read Abstract +

Proceedings Article | 1 November 1991 Paper

Multiplexed binary phase-only circular harmonic filters

Yunlong Sheng, Luc Leclerc, Henri Arsenault

Proceedings Volume 1564, (1991) https://doi.org/10.1117/12.49722

KEYWORDS: Multiplexing, Phase only filters, Nonlinear filtering, Optical filters, Binary data, Spatial light modulators, Linear filtering, Optical signal processing, Pattern recognition, Computer generated holography

Read Abstract +

Proceedings Article | 1 November 1991 Paper

Bipolar correlations in composite circular harmonic filters

Luc Leclerc, Yunlong Sheng, Henri Arsenault

Proceedings Volume 1564, (1991) https://doi.org/10.1117/12.49698

KEYWORDS: Phase only filters, Optical filters, Image filtering, Composites, Linear filtering, Optical signal processing, Optical correlators, Fourier transforms, Computer simulations, Spatial filters

Read Abstract +

Proceedings Article | 1 July 1990 Paper

Space invariant free space interconnects using mirror and corner-cube arrays

Yunlong Sheng, Henri Arsenault

Proceedings Volume 1319, (1990) https://doi.org/10.1117/12.22126

Read Abstract +

Proceedings Article | 1 July 1990 Paper

Corner-cube array for integrated optoelectronic cellular array interconnections

Yunlong Sheng, Henri Arsenault

Proceedings Volume 1215, (1990) https://doi.org/10.1117/12.18055

KEYWORDS: Sensors, Reflectors, Free space optics, Optical computing, Optoelectronics, Free space, Optical alignment, Signal detection, Computing systems, Wafer-level optics

Read Abstract +

Showing 5 of 107 publications

Proceedings Volume Editor (16)

SPIE Conference Volume | 28 October 2021

Holography, Diffractive Optics, and Applications XI

SPIE Conference Volume | 3 November 2020

Holography, Diffractive Optics, and Applications X

SPIE Conference Volume | 31 December 2019

Holography, Diffractive Optics, and Applications IX

SPIE Conference Volume | 21 December 2018

Holography, Diffractive Optics, and Applications VIII

SPIE Conference Volume | 9 February 2017

Holography, Diffractive Optics, and Applications VII

Showing 5 of 16 publications

Conference Committee Involvement (33)

Holography, Diffractive Optics, and Applications XIV

12 October 2024 | Nantong, Jiangsu, China

Holography, Diffractive Optics, and Applications XIII

14 October 2023 | Beijing, China

Holography, Diffractive Optics, and Applications XII

5 December 2022 | Online Only, China

Holography, Diffractive Optics, and Applications XI

10 October 2021 | Nantong, JS, China

Holography, Diffractive Optics, and Applications X

12 October 2020 | Online Only, China

Holography, Diffractive Optics, and Applications IX

21 October 2019 | Hangzhou, China

Holography, Diffractive Optics, and Applications VIII

11 October 2018 | Beijing, China

Holography, Diffractive Optics, and Applications VII

12 October 2016 | Beijing, China

Optical Pattern Recognition XXVI

22 April 2015 | Baltimore, MD, United States

Holography, Diffractive Optics, and Applications VI

9 October 2014 | Beijing, China

Optical Pattern Recognition XXV

7 May 2014 | Baltimore, MD, United States

Optical Systems and Modern Optoelectronic Instruments

17 November 2013 | Beijing, China

Optical Pattern Recognition XXIV

29 April 2013 | Baltimore, Maryland, United States

Holography, Diffractive Optics, and Applications V

5 November 2012 | Beijing, China

Optical Pattern Recognition XXIII

26 April 2012 | Baltimore, Maryland, United States

Optical Systems and Modern Optoelectronic Instruments

6 November 2011 | Beijing, Beijing, China

Optical Pattern Recognition XXII

28 April 2011 | Orlando, Florida, United States

Holography, Diffractive Optics, and Applications IV

18 October 2010 | Beijing, China

Optical Pattern Recognition XXI

8 April 2010 | Orlando, Florida, United States

Optical Systems and Modern Optoelectronic Instruments

19 October 2009 | Shanghai, China

Optical Pattern Recognition XX

16 April 2009 | Orlando, Florida, United States

Optical Systems and Optoelectronic Instruments

16 November 2008 | Beijing, China

International Conference of Optical Instrument and Technology

16 November 2008 | Beijing, China

Optical Pattern Recognition XIX

17 March 2008 | Orlando, Florida, United States

Holography and Diffractive Optics III

12 November 2007 | Beijing, China

Optical Pattern Recognition XVIII

9 April 2007 | Orlando, Florida, United States

ICO20: Optical Information Processing

21 August 2005 | Changchun, China

Optical Pattern Recognition XVI

31 March 2005 | Orlando, Florida, United States

Holography, Diffractive Optics, and Applications II

8 November 2004 | Beijing, China

Optical Pattern Recognition XV

15 April 2004 | Orlando, Florida, United States

Wave Optics and Photonic Devices for Optical Information Processing II

7 August 2003 | San Diego, California, United States

Optical Pattern Recognition XIV

24 April 2003 | Orlando, Florida, United States

Holography, Diffractive Optics, and Applications

15 October 2002 | Shanghai, China

Showing 5 of 33 Conference Committees

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