Prof. Youngki Ryu Profile

Prof. Youngki Ryu

at Sun Moon Univ

SPIE Involvement:

Author

Publications (9)

Proceedings Article | 3 April 2015 Paper

Miniaturized neural sensing and optogenetic stimulation system for behavioral studies in the rat

Hargsoon Yoon, Min Hyuck Kim, Ilho Nam, Youngki Ryu, Laurie Wellman, Larry Sanford

Proceedings Volume 9434, 94340B (2015) https://doi.org/10.1117/12.2085617

KEYWORDS: Optogenetics, Sensing systems, Neurotransmitters, Brain, Light emitting diodes, Microcontrollers, Electrodes, Telecommunications, Control systems, In vivo imaging

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Proceedings Article | 10 October 2007 Paper

A low cost PSD-based monocular motion capture system

Choonsuk Oh, Young Kee Ryu

Proceedings Volume 6716, 67160J (2007) https://doi.org/10.1117/12.754221

KEYWORDS: Sensors, Light emitting diodes, Cameras, Infrared cameras, Video, Diffusers, Infrared sensors, Control systems, Infrared radiation, Imaging systems

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Proceedings Article | 25 October 2004 Paper

Development of a head-mounted visual enhancement device for people with low vision

Yong-Jin Jang, Young Kee Ryu, Choon-Suck Oh

Proceedings Volume 5602, (2004) https://doi.org/10.1117/12.571120

KEYWORDS: Visualization, LCDs, Eye, Enhanced vision, Light sources, Cameras, Control systems, Retina, Prisms, Head

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Proceedings Article | 25 October 2004 Paper

Development of real-time motion capture system for 3D on-line games linked with virtual character

Jong Hyeong Kim, Young Kee Ryu, Hyung Suck Cho

Proceedings Volume 5603, (2004) https://doi.org/10.1117/12.573845

KEYWORDS: Sensors, Infrared sensors, Receivers, Infrared radiation, Computing systems, 3D metrology, Human-computer interaction, Imaging systems, Calibration, Video

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SPIE Journal Paper | 1 April 2004

Study on the center of rotation method based on minimum spanning tree matching algorithm for fingerprint recognition

Choonsuk Oh, Young Kee Ryu

OE, Vol. 43, Issue 04, (April 2004) https://doi.org/10.1117/12.10.1117/1.1668280

KEYWORDS: Detection and tracking algorithms, Fingerprint recognition, Optical engineering, Databases, Distortion, Optical character recognition, Algorithm development, Electronics, Communication engineering, Image acquisition

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SPIE Journal Paper | 1 April 2001

Development of a noncontact optical sensor for measuring the shape of a surface and thickness of transparent objects

Young Kee Ryu, Choonsuk Oh, Jong-Seul Lim

OE, Vol. 40, Issue 04, (April 2001) https://doi.org/10.1117/12.10.1117/1.1355260

KEYWORDS: Glasses, Sensors, Optical sensors, LCDs, Holograms, Compact discs, Actuators, Sensor performance, Photodiodes, Control systems

Proceedings Article | 12 February 2001 Paper

Development of a noncontact optical sensor for measuring the shape of a surface and thh thickness of transparent objects

Young Kee Ryu, Sang Pil Youn

Proceedings Volume 4190, (2001) https://doi.org/10.1117/12.417230

KEYWORDS: Sensors, Glasses, Optical sensors, Control systems, Holograms, Photodiodes, Semiconductor lasers, Optical testing, LCDs, Head

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SPIE Journal Paper | 1 January 1999

Video tape recorder head inspection using image processing techniques

Choonsuk Oh, Young Kee Ryu, Byoung Roh

OE, Vol. 38, Issue 01, (January 1999) https://doi.org/10.1117/12.10.1117/1.602067

KEYWORDS: Head, Inspection, Video, Image processing, Magnetism, Video processing, Algorithm development, Optical engineering, Digital signal processing, Glasses

SPIE Journal Paper | 1 May 1996

New optical sensing system for obtaining the three-dimensional shape of specular objects

Young Kee Ryu, Hyungsuck Cho

OE, Vol. 35, Issue 05, (May 1996) https://doi.org/10.1117/12.10.1117/1.600685

KEYWORDS: Sensing systems, Mirrors, Optical sensing, Reflection, Surface roughness, Reflectivity, Optical engineering, Sensors, Optical sensors, Calibration

Showing 5 of 9 publications

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