Prof. Eui Chul Lee Profile

Prof. Eui Chul Lee

at Sangmyung Univ

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Author

Publications (8)

SPIE Journal Paper | 7 November 2017

Contactless physiological signals extraction based on skin color magnification

Kun Ha Suh, Eui Chul Lee

JEI, Vol. 26, Issue 06, 063003, (November 2017) https://doi.org/10.1117/12.10.1117/1.JEI.26.6.063003

KEYWORDS: Skin, Heart, Cameras, Video, Signal to noise ratio, RGB color model, Chromium, Blood circulation, Interference (communication), Linear filtering

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Proceedings Article | 11 July 2016 Paper

Face liveness detection for face recognition based on cardiac features of skin color image

Kun Ha Suh, Eui Chul Lee

Proceedings Volume 10011, 100110C (2016) https://doi.org/10.1117/12.2242472

KEYWORDS: Facial recognition systems, Signal detection, Biometrics, 3D printing, Printing, Skin, Cameras, Video, Chromium, Optical filters

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SPIE Journal Paper | 3 March 2015 Open Access

Segmentation method of eye region based on fuzzy logic system for classifying open and closed eyes

Ki Wan Kim, Won Oh Lee, Yeong Gon Kim, Hyung Gil Hong, Eui Chul Lee, Kang Ryoung Park

OE, Vol. 54, Issue 03, 033103, (March 2015) https://doi.org/10.1117/12.10.1117/1.OE.54.3.033103

KEYWORDS: Eye, Image segmentation, Fuzzy systems, Databases, Fuzzy logic, Image classification, Laminated object manufacturing, Image resolution, Optical engineering, Facial recognition systems

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SPIE Journal Paper | 19 July 2013 Open Access

Errata: Minimizing eyestrain on a liquid crystal display considering gaze direction and visual field of view

Won Oh Lee, Hwan Heo, Eui Chul Lee, Kang Ryoung Park

OE, Vol. 52, Issue 07, 079801, (July 2013) https://doi.org/10.1117/12.10.1117/1.OE.52.7.079801

KEYWORDS: LCDs, Visualization, Electronics, Electrical engineering, Optical engineering, Computer science

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SPIE Journal Paper | 9 July 2013 Open Access

Minimizing eyestrain on a liquid crystal display considering gaze direction and visual field of view

Won Oh Lee, Hwan Heo, Eui Chul Lee, Kang Ryoung Park

OE, Vol. 52, Issue 07, 073104, (July 2013) https://doi.org/10.1117/12.10.1117/1.OE.52.7.073104

KEYWORDS: LCDs, Eye, Visualization, Eye models, Motion models, Video, Wavelets, Information visualization, Contrast sensitivity, Cameras

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SPIE Journal Paper | 1 December 2009

Robust gaze-tracking method by using frontal-viewing and eye-tracking cameras

Chul Woo Cho, Ji Woo Lee, Eui Chul Lee, Kang Ryoung Park

OE, Vol. 48, Issue 12, 127202, (December 2009) https://doi.org/10.1117/12.10.1117/1.3275453

KEYWORDS: Cameras, Eye, Fiber optic illuminators, Optical engineering, Glasses, Head, Calibration, Mirrors, Error analysis, Near infrared

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SPIE Journal Paper | 1 July 2009

Gaze tracking based on active appearance model and multiple support vector regression on mobile devices

Eui Chul Lee, You Jin Ko, Kang Ryoung Park

OE, Vol. 48, Issue 07, 077002, (July 2009) https://doi.org/10.1117/12.10.1117/1.3158992

KEYWORDS: Eye, Mobile devices, Cameras, Eye models, Nose, Optical tracking, Instrument modeling, Optical engineering, Facial recognition systems, Data modeling

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SPIE Journal Paper | 1 June 2008

Fake iris detection method using Purkinje images based on gaze position

Eui Lee, You Ko, Kang Park

OE, Vol. 47, Issue 06, 067204, (June 2008) https://doi.org/10.1117/12.10.1117/1.2947582

KEYWORDS: Iris recognition, Cameras, Eye, Eye models, Cornea, Optical spheres, Contact lenses, Glasses, Optical engineering, Fiber optic illuminators

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Showing 5 of 8 publications

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