Prof. Sang-Keun Gil Profile

Prof. Sang-Keun Gil

at Univ of Suwon

SPIE Involvement:

Author

Publications (33)

Proceedings Article | 13 March 2024 Poster + Paper

Advanced layering method for real-world object-based holographic display using integrated depth-position map

Tuvshinjargal Amgalan, Md. Biddut Hossain, Sang-Keun Gil, Nam Kim

Proceedings Volume 12910, 129100K (2024) https://doi.org/10.1117/12.3002267

KEYWORDS: 3D modeling, Data modeling, Depth maps, 3D acquisition, RGB color model, Neural networks, Data acquisition, Holographic displays, Computer generated holography, 3D image processing

Read Abstract +

Proceedings Article | 14 March 2023 Presentation + Paper

Advanced integral imaging display system based on high-resolution simplified light field image acquisition method

Munkh-Uchral Erdenebat, Nyamsuren Darkhanbaatar, Tuvshinjargal Amgalan, Joon Hyun Kim, Oh-Seung Nam, Sang-Keun Gil, Seok-Hee Jeon, Nam Kim

Proceedings Volume 12443, 124430A (2023) https://doi.org/10.1117/12.2651142

KEYWORDS: Cameras, Image acquisition, 3D modeling, 3D acquisition, 3D displays, Integral imaging, Image processing, Deep learning, 3D image processing, Digital cameras

Read Abstract +

Proceedings Article | 10 March 2022 Poster + Paper

Full-color 3D image for holographic waveguide-type AR system using optical elements

Nyamsuren Darkhanbaatar, Munkh-Uchral Erdenebat, Md. Shahinur Alam, Md. Biddut Hossain, Sang-Keun Gil, Jong-Rae Jeong, Nam Kim

Proceedings Volume 12026, 120260E (2022) https://doi.org/10.1117/12.2610427

KEYWORDS: Holographic optical elements, Waveguides, 3D image reconstruction, 3D image processing, Augmented reality, Holography, 3D displays, Image transmission, Polarizers, Integral imaging

Read Abstract +

Proceedings Article | 5 March 2021 Presentation + Paper

Real object-based holographic stereogram printing system using a high-resolution one-dimensional moving camera array

Munkh-Uchral Erdenebat, Anar Khuderchuluun, Erkhembaatar Dashdavaa, Ki-Chul Kwon, Kwon-Yeon Lee, Sang-Keun Gil, Nam Kim

Proceedings Volume 11710, 117100H (2021) https://doi.org/10.1117/12.2578011

KEYWORDS: Cameras, Stereo holograms, Printing, Holography, Imaging systems, 3D acquisition, 3D printing, 3D image processing, Microlens

Read Abstract +

Proceedings Article | 21 February 2020 Paper

Generation speed enhancement for full color computer generated holography using multiple wave-front recording planes

Yan-Ling Piao, Alam Md Shahinur, Erkhembaatar Dashdavaa, Sang-Keun Gil, Kwon-Yeon Lee, Nam Kim

Proceedings Volume 11306, 113060X (2020) https://doi.org/10.1117/12.2548610

KEYWORDS: Holograms, 3D image reconstruction, Computer generated holography, Image quality, Wavefronts, Holography, 3D modeling, Ray tracing, Image resolution, 3D image processing

Read Abstract +

Proceedings Article | 21 February 2020 Paper

Asymmetric public key cryptosystem using digital holographic encryption method

Sang Keun Gil, Seok Hee Jeon, Jong Rae Jeong, Nam Kim

Proceedings Volume 11306, 113060V (2020) https://doi.org/10.1117/12.2548289

KEYWORDS: Symmetric-key encryption, Logic, Optical image encryption

Read Abstract +

Proceedings Article | 1 March 2019 Presentation + Paper

Resolution-enhanced mobile three-dimensional display based on computer-generated integral imaging

Munkh-Uchral Erdenebat, Md. Shahinur Alam, Ki-Chul Kwon, Ki Hoon Kwon, Min Young Kim, Sang-Keun Gil, Nam Kim

Proceedings Volume 10942, 109420P (2019) https://doi.org/10.1117/12.2510928

KEYWORDS: Image resolution, Integral imaging, Super resolution, 3D image processing, Image quality, 3D displays, 3D image reconstruction, 3D scanning

Read Abstract +

Proceedings Article | 19 February 2018 Paper

Application to optical secret key sharing cryptography using phase-shifting digital holography

Sang Keun Gil, Seok Hee Jeon, Jong Rae Jung

Proceedings Volume 10558, 105580W (2018) https://doi.org/10.1117/12.2289275

KEYWORDS: Digital holography, Binary data, Phase shifts, Image encryption, 3D image reconstruction, Holograms, Cryptography, Symmetric-key encryption, Holography, Computer security

Read Abstract +

SPIE Journal Paper | 23 December 2016

Optical implementation of cipher block chaining mode algorithm using phase-shifting digital holography

Seok-Hee Jeon, Sang-Keun Gil

OE, Vol. 55, Issue 12, 123112, (December 2016) https://doi.org/10.1117/12.10.1117/1.OE.55.12.123112

KEYWORDS: Digital holography, Image encryption, Binary data, Holograms, Phase shifts, 3D image reconstruction, Holography, Fourier transforms, Computer security, Polarization

Read Abstract +

Proceedings Article | 7 March 2016 Paper

Optical design of cipher block chaining (CBC) encryption mode by using digital holography

Sang Keun Gil, Seok Hee Jeon, Jong Rae Jung, Nam Kim

Proceedings Volume 9771, 97710Y (2016) https://doi.org/10.1117/12.2212063

KEYWORDS: Digital holography, Phase shifts, Holograms, Optical design, Fourier transforms, Computer security, Holography, Polarization, Image encryption, 3D image reconstruction, Binary data, Image processing, Charge-coupled devices

Read Abstract +

Proceedings Article | 10 March 2015 Paper

Security enhanced optical one-time password authentication method by using digital holography

Sang Keun Gil, Seok Hee Jeon, Jong Rae Jeong

Proceedings Volume 9386, 93860U (2015) https://doi.org/10.1117/12.2080594

KEYWORDS: Digital holography, Phase shifts, Symmetric-key encryption, Holograms, Binary data, Computer security, 3D image reconstruction, Image encryption, Polarization, Holography

Read Abstract +

Proceedings Article | 10 March 2015 Paper

Design of wide angle holographic waveguide monocular head-mounted display using photopolymer

Mei-Lan Piao, Sang-Keun Gil, Nam Kim

Proceedings Volume 9386, 93860K (2015) https://doi.org/10.1117/12.2080771

KEYWORDS: Waveguides, Head-mounted displays, Holography, Holographic optical elements, Eye, Optical design, Reflectivity, Spatial frequencies, Refractive index, Diffraction

Read Abstract +

Proceedings Article | 25 February 2014 Paper

Development of high-efficiency holographic optical element for LED display

Meilan Piao, Sang-Keun Gil, Kwon-Yeon Lee, Nam Kim

Proceedings Volume 9006, 90061I (2014) https://doi.org/10.1117/12.2040326

KEYWORDS: Holographic optical elements, Diffraction, Holography, Diffraction gratings, Camera shutters, Light emitting diodes, LED displays, Beam splitters, Light sources, Spatial filters

Read Abstract +

Proceedings Article | 1 March 2013 Paper

An optical symmetric cryptographic system with simultaneous encryption and transmission of binary data and secret key by using dual phase-shifting digital holography

Sang Keun Gil, Seok Hee Jeon, Jong Rae Jung

Proceedings Volume 8644, 864417 (2013) https://doi.org/10.1117/12.2005998

KEYWORDS: Digital holography, Binary data, Symmetric-key encryption, Phase shifts, Image encryption, Holograms, Holography, 3D image reconstruction, Computer security, Signal to noise ratio

Read Abstract +

Proceedings Article | 11 February 2010 Paper

Image enhancement in phase shifting digital holographic microscopy using spiral phase filter

Mei-Lan Piao, Jae-Hyeung Park, Nam Kim, Sang-Geun Gil

Proceedings Volume 7619, 76190S (2010) https://doi.org/10.1117/12.840806

KEYWORDS: Digital holography, Image filtering, Microscopy, Image enhancement, Optical filters, Holography, Digital filtering, Spatial filters, 3D image reconstruction, Phase shifting

Read Abstract +

Proceedings Article | 3 February 2009 Paper

Optical cryptography of gray-level image information using QPSK modulation and digital holography

Sang Keun Gil, Seok Hee Jeon, Jong Rae Jeong

Proceedings Volume 7233, 723315 (2009) https://doi.org/10.1117/12.808654

KEYWORDS: Digital holography, Phase shift keying, Binary data, Holograms, Computer security, Image encryption, Phase shifts, Modulation, Digital imaging, Information security

Read Abstract +

Proceedings Article | 3 February 2009 Paper

Acquiring multi-viewpoint image of 3D object for integral imaging using synthetic aperture phase-shifting digital holography

Min-Ok Jeong, Nam Kim, Jae-Hyeung Park, Seok-Hee Jeon, Sang-Keun Gil

Proceedings Volume 7233, 723308 (2009) https://doi.org/10.1117/12.808779

KEYWORDS: Digital holography, Phase shifts, Holograms, Digital imaging, Integral imaging, CCD cameras, 3D image reconstruction, 3D image processing, 3D displays, Charge-coupled devices

Read Abstract +

Proceedings Article | 25 January 2008 Paper

Digital holographic interference analysis using a 2-step phase-shifting technique

Sang Keun Gil, Seok Hee Jeon, Jong Rae Jeong

Proceedings Volume 6912, 69121B (2008) https://doi.org/10.1117/12.764362

KEYWORDS: Phase shifts, Digital holography, Mirrors, Ferroelectric materials, Holographic interferometry, Holography, Charge-coupled devices, Optical testing, Beam splitters, Fringe analysis

Read Abstract +

Proceedings Article | 25 January 2008 Paper

Secure holographic storage using single phase encoding

Tien Viet Vu, Seung-Woo Lee, Nam Kim, Sang-Keun Gil, Eun-Kyong Kim

Proceedings Volume 6912, 691216 (2008) https://doi.org/10.1117/12.762982

KEYWORDS: Binary data, Holography, Camera shutters, Diffraction, Data conversion, Fourier transforms, Computer programming, Image encryption, Phase conjugation, Mirrors

Read Abstract +

Proceedings Article | 20 February 2007 Paper

Computer generated hologram for phase-only optical encryption

Tien Viet Vu, Nam Kim, Sang-Keun Gil, Jun-Won An, Eun-Kyong Kim

Proceedings Volume 6488, 648813 (2007) https://doi.org/10.1117/12.700342

KEYWORDS: Image encryption, Holograms, Binary data, Computer programming, Image processing, Optical image encryption, Image transmission, Computer generated holography, Transmittance, Optimization (mathematics)

Read Abstract +

Proceedings Article | 20 February 2007 Paper

Optical encryption of binary data information with 2-step phase-shifting digital holography

Sang Keun Gil, Hyun Joong Byun, Hyun Jin Lee, Seok Hee Jeon, Jong Rae Jeong

Proceedings Volume 6488, 648812 (2007) https://doi.org/10.1117/12.699921

KEYWORDS: Digital holography, Binary data, Phase shifts, Holograms, Fourier transforms, Holography, CCD cameras, Quantization, Charge-coupled devices, Mirrors

Read Abstract +

Proceedings Article | 27 February 2006 Paper

Successive encryption and transmission with phase-shifting digital holography

Sang Keun Gil, Seok Hee Jeon, Nam Kim, Jong Rae Jeong

Proceedings Volume 6136, 613615 (2006) https://doi.org/10.1117/12.645694

KEYWORDS: Digital holography, Binary data, Holograms, Phase shifts, Fourier transforms, Holographic interferometry, Phase interferometry, Image encryption, Symmetric-key encryption, Data communications

Read Abstract +

Proceedings Article | 20 January 2006 Paper

Optical characteristics of an organic-inorganic hybrid photopolymer film for holographic storage and optical application

Changwon Shin, Nam Kim, Eunkyoung Kim, Jiyoung Park, Sangkeun Gil

Proceedings Volume 6027, 60272F (2006) https://doi.org/10.1117/12.668211

KEYWORDS: Holography, Diffraction, 3D image reconstruction, Holograms, Digital imaging, Sol-gels, Data storage, Digital holography, Holographic materials, Optical properties

Read Abstract +

Proceedings Article | 1 September 2005 Paper

Effect of monomer functionality on the diffraction efficiency of photopolymer films

Eunkyoung Kim, Hyojin Lee, Hyowon Lee, Nam Kim, Changwon Shin, Sangkeun Gil

Proceedings Volume 5939, 59390I (2005) https://doi.org/10.1117/12.614052

KEYWORDS: Diffraction, Holography, Polymers, Polymerization, Refractive index, Polymer thin films, Holographic materials, Diffusion, Camera shutters, Image quality

Read Abstract +

Proceedings Article | 30 August 2005 Paper

Laser diode beam shaping using holographic grating recorded by an additional orthogonally-polarizing beam

Duc Dung Do, Nam Kim, Sang Keun Gil, Seok Hee Jeon, Kwon Yeon Lee

Proceedings Volume 5876, 587615 (2005) https://doi.org/10.1117/12.616404

KEYWORDS: Modulation, Diffraction gratings, Diffraction, Beam shaping, Semiconductor lasers, Holography, Spatial light modulators, Spatial filters, LCDs, Polarization

Read Abstract +

Proceedings Article | 21 April 2005 Paper

Fabrication of holographic apodized grating in photopolymer using orthogonally polarized beam

Duc Dung Do, Haeng Su Lee, Jung Hoi Kim, Nam Kim, Sang Keun Gil, Kwon Yeon Lee, Jea Jeong Eun

Proceedings Volume 5742, (2005) https://doi.org/10.1117/12.590083

KEYWORDS: Diffraction, Modulation, LCDs, Diffraction gratings, Spatial light modulators, Holography, Spatial filters, Transmittance, Holographic materials, Optical filters

Read Abstract +

Proceedings Article | 7 February 2005 Paper

Fabrication of apodized grating in photopolymer using SLM

Duc-Dung Do, Junghoi Kim, Nam Kim, Sang-Keun Gil, Kwon-Yeon Lee, Mun Cheol Paek

Proceedings Volume 5636, (2005) https://doi.org/10.1117/12.578204

KEYWORDS: Spatial light modulators, LCDs, Diffraction, Holography, Transmittance, Spatial filters, Diffraction gratings, Beam splitters, Holographic materials, Modulation

Read Abstract +

Proceedings Article | 22 October 2004 Paper

Controlling of monomer diffusion in an organic-inorganic hybrid photopolymer film for holographic memory

Eunkyoung Kim, Nam Kim, Chang-Won Shin, Jiyoung Park, Sang-Geun Gil

Proceedings Volume 5560, (2004) https://doi.org/10.1117/12.559240

KEYWORDS: Holography, Diffraction, Diffusion, Digital imaging, Sol-gels, Silica, Data storage, Polymerization, Refractive index, Modulation

Read Abstract +

Proceedings Article | 25 June 2004 Paper

Analysis of thermal properties of the Dupont photopolymer for the digital holographic security card system

Junghoi Kim, Haengsu Lee, Nam Kim, Eunkyoung Kim, Sangkeun Gil

Proceedings Volume 5363, (2004) https://doi.org/10.1117/12.530155

KEYWORDS: Digital holography, Holograms, Diffraction, Holography, Ultraviolet radiation, Digital photography, Computer security, Manufacturing, Multiplexing, Refractive index

Read Abstract +

Proceedings Article | 30 May 2003 Paper

Automatic control of parallel stereoscopic camera by disparity compensation

Ki-Chul Kwon, Young-Soo Choi, Nam Kim, Sang-Keun Gil

Proceedings Volume 5006, (2003) https://doi.org/10.1117/12.474143

KEYWORDS: Stereoscopic cameras, Electronic filtering, Optical filters, Image filtering, Automatic control, CCD image sensors, Cameras, Lenses, Image sensors, Image processing

Read Abstract +

Proceedings Article | 3 June 2002 Paper

Multiphase computer-generated holograms for full-color image generation

Kyong Choi, Byong Choi, Yoon Choi, Sun Kim, Jong Man Kim, Nam Kim, Sang Gil

Proceedings Volume 4659, (2002) https://doi.org/10.1117/12.469274

KEYWORDS: Holograms, 3D image reconstruction, Diffraction, Computer generated holography, Optical design, Binary data, Fourier transforms, Algorithms, Fabrication, Optical simulations

Read Abstract +

Proceedings Article | 13 July 2000 Paper

Optical memory using programmable pseudorandom codes

Kyu-Tae Kim, Byung-Chul Cho, Eun-Soo Kim, Sang Gil

Proceedings Volume 4046, (2000) https://doi.org/10.1117/12.391944

KEYWORDS: Phase shift keying, Signal to noise ratio, Multiplexing, Spatial light modulators, Phase modulation, Holography, Image compression, Error analysis, Image restoration, Optical storage

Read Abstract +

Proceedings Article | 30 May 1995 Paper

Rotation angle measurement using a solid state ring laser

S. Son, J. Hong, H. Song, T. Sung, Sang Gil, J. Lee, A. Livintsev

Proceedings Volume 2513, (1995) https://doi.org/10.1117/12.209639

KEYWORDS: Magnetism, Solid state lasers, Semiconductor lasers, Resonators, Solid state physics, Laser resonators, Gyroscopes, Nd:YAG lasers, Crystals, Modulation

Read Abstract +

Showing 5 of 33 publications

View contact details

UPDATE YOUR PROFILE

Is this your profile? Update it now.

Sign into your SPIE.org account

Don’t have a profile and want one?

Create an account on SPIE.org

Keywords/Phrases

Search In:

Publication Years