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Chulwoo Lee
609, 2nd Engineering bldg.
Korea University Science Campus
Anam-dong, Seongbuk-gu, Seoul, Korea 137-713
E-mail: chulwoo@mcl.korea.ac.kr
Office & Fax: +82–2–3290–3806
http://mcl.korea.ac.kr/~chulwoo
RESEARCH
INTERESTS
Image Contrast Enhancement
Power-Constrained Image/Video Processing
Computer Vision: Data clustering, Image segmentation
EDUCATION
Ph.D., Electrical Engineering
• Korea University, Seoul, Korea
• Advisor: Prof. Chang-Su Kim
• Dissertation: Image contrast enhancement via constrained optimization
Feb. 2015
B.S., Electrical Engineering
• Korea University, Seoul, Korea
Feb. 2008
PROFESSIONAL Postdoctoral Scholar
EXPERIENCE
Department of Electrical Engineering
Korea University, Seoul, Korea
• Advisor: Prof. Chang-Su Kim
Mar. 2015 – present
Research Assistant
Sep. 2008 – Feb. 2015
Korea University, Seoul, Korea
• Development of electronic pen system based on vision technologies
– funded by Samsung Electronics
– Feb. 2011 – Aug. 2011
– Developed design of coded pattern for pixel coordinates on display
– Developed camera-based detection of an input position with display pattern
recognition
• Development of low-power image processing technologies for mobile devices
– funded by LG Electronics
– Dec. 2010 – Nov. 2011
– Developed brightness-compensated contrast enhancement algorithms for TFTLCDs
• Research on next-generation surveillance imaging system using camera networks
– funded by Seoul R&BD
– Sep. 2009 – Aug. 2011
– Developed spatio-temporal video summarization algorithms
• Development of low-power HDR image processing technologies for mobile AMOLED
devices
– funded by Samsung Electronics
– Jun. 2009 – Nov. 2009
– Developed power-constrained contrast enhancement algorithms for AMOLED
displays
• Interdisciplinary research of image processing, vision, communication technologies for
acquisition and processing of high dynamic range (HDR) video
– funded by the Ministry of Education, Science and Technology
– Sep. 2008 – Aug. 2011
– Developed HDR video acquisition system
Teaching Assistant
Korea University, Seoul, Korea
• Special Topics in Signal Processing II
• Computer Vision
• Creative Design
Chulwoo Lee
Spring 2011
Fall 2009
Fall 2008
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PAPERS IN
[1] Youngbae Kim, Yeong Jun Koh, Chulwoo Lee, Sehoon Kim, and Chang-Su Kim,
PREPARATION
“Dark image enhancement based on pairwise target contrast and multi–scale detail
boosting,” to appear in Proc. IEEE International Conference on Image Processing
(ICIP), Qu´ebec, Canada, Sept. 2015.
[2] Chulwoo Lee, Won-Dong Jang, Jae-Young Sim, and Chang-Su Kim, “Multiple random walkers and their application to image cosegmentation,” to appear in Proc. IEEE
International Conference on Computer Vision and Pattern Recognition (CVPR), Boston,
USA, Jun. 2015.
JOURNAL
[1] Chul Lee, Jin-Hwan Kim, Chulwoo Lee, and Chang-Su Kim, “Optimized brightness
PUBLICATIONS
compensation and contrast enhancement for transmissive liquid crystal displays,” IEEE
Transactions on Circuits and Systems for Video Technology, vol. 24, no. 4, pp. 576–
590, Apr. 2014.
[2] Chulwoo Lee, Chul Lee, and Chang-Su Kim, “Contrast enhancement based on layered
difference representation of 2D histograms,” IEEE Transactions on Image Processing,
vol. 22, no. 12, pp. 5372–5384, Dec. 2013.
[3] Chul Lee, Chulwoo Lee, and Chang-Su Kim, “An MMSE approach to nonlocal image
denoising: Theory and practical implementation,” Journal of Visual Communication
and Image Representation, vol. 23, no. 3, pp. 476-490, Apr. 2012.
[4] Chulwoo Lee, Chul Lee, Young-Yoon Lee, and Chang-Su Kim, “Power-constrained
contrast enhancement for emissive displays based on histogram equalization,” IEEE
Transactions on Image Processing, vol. 21, pp. 80-93, Jan. 2012.
CONFERENCE [1] Jun-Tae Lee, Chulwoo Lee, Jae-Young Sim, and Chang-Su Kim, “Depth-guided adapPUBLICATIONS
tive contrast enhancement using 2D histograms,” in Proc. IEEE International Conference on Image Processing (ICIP), Paris, France, pp. 4527-4530, Oct. 2014.
[2] Chulwoo Lee, Chul Lee, and Chang-Su Kim, “Contrast Enhancement and Low-Power
Image Processing,” in International Meeting on Information Display (IMID), Daegu,
Korea, Aug. 2014.
[3] Won-Dong Jang, Chulwoo Lee, Jae-Young Sim, and Chang-Su Kim, “Automatic
Video Genre Classification using Multiple SVM votes,” in Proc. IEEE International
Conference on Pattern Recognition (ICPR), Stockholm, Sweden, pp. 2655-2660, Aug.
2014.
[4] Chul Lee, Chulwoo Lee, and Chang-Su Kim, “Contrast enhancement using 2-D
to 1-D histogram conversion,” in Proc. International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC), Yeosu, Korea, pp. 5-7,
Jun.-Jul. 2013.
[5] Chul Lee, Jin-Hwan Kim, Chulwoo Lee, and Chang-Su Kim, “Power-constrained
backlight scaling and contrast enhancement for TFT-LCD displays,” in Proc. IEEE
International Conference on Image Processing (ICIP), Orlando, USA, pp. 2793-2796,
Sept.-Oct. 2012.
[6] Chulwoo Lee, Chul Lee, and Chang-Su Kim, “Contrast enhancement based on layered
difference representation,” in Proc. IEEE International Conference on Image Processing
(ICIP), Orlando, USA, pp. 965-968, Sept.-Oct. 2012.
[7] Chulwoo Lee, Chul Lee, and Chang-Su Kim, “Power-constrained image processing
techniques for emissive and non-emissive displays,” in International Meeting on Information Display (IMID), Seoul, Korea, pp. 606-607, Oct. 2011.
[8] Chul Lee, Chulwoo Lee, and Chang-Su Kim, “MMSE nonlocal means denoising algorithm for Poisson noise removal,” in Proc. IEEE International Conference on Image
Processing (ICIP), Belgium, pp. 2561-2564, Sept. 2011.
Chulwoo Lee
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[9] Chulwoo Lee, Chul Lee, and Chang-Su Kim, “Gradient domain contrast enhancement
with histogram-guided boundary conditions,” in Proc. IEEE International Conference
on Image Processing (ICIP), Brussels, Belgium, pp. 3433-3436, Sept. 2011.
[10] Chulwoo Lee, Chul Lee, and Chang-Su Kim, “Power-constrained contrast enhancement for OLED displays based on histogram equalization,” in Proc. IEEE International
Conference on Image Processing (ICIP), Hong Kong, pp. 1689-1692, Sept. 2010.
DOMESTIC
Journal: 1 paper, Conference: 14 papers (in Korean)
PUBLICATIONS
– Link to the full list
PATENTS
[1] In-Kuk Yun, Chang-Su Kim, Chulwoo Lee, Won-Dong Jang, Po-Ra Kim, Se-Mi Park,
Jeong-Seok Lee, and Yeong-Jun Koh, “Apparatus and method of detecting an input
position with display pattern recognition,” Pub. No. US2013/0088425 A1, Apr. 2013.
[2] In-Kuk Yun, Chang-Su Kim, Chulwoo Lee, Won-Dong Jang, Seong-Min Seo, JeongSeok Lee, Jeong-Seok Choi, and Yeong-Jun Koh, “Display apparatus including a pattern
and method for generating a,” Pub. No. US2013/0082907 A1, Apr. 2013.
[3] Chulwoo Lee, Chang-Su Kim, and Chul Lee, “Apparatus and method for providing
image,” Patent No. 10-1182637, Sep. 2012.
[4] In-Kuk Yun, Chang-Su Kim, Chulwoo Lee, Won-Dong Jang, Po-Ra Kim, Se-Mi Park,
Jeong-Seok Lee, and Yeong-Jun Koh, “Aparatus and method for detecting input position by deter using displaying pattern determination,” Appl. No. 10-2011-0102745,
Oct, 2011.
[5] In-Kuk Yun, Chang-Su Kim, Chulwoo Lee, Won-Dong Jang, Seong-Min Seo, JeongSeok Lee, Jeong-Seok Choi, and Yeong-Jun Koh, “Display apparatus including a pattern
and method for forming a pattern in the display apparatus,” Appl. No. 10-20110099423, Sep. 2011.
[6] Chulwoo Lee, Chul Lee, and Chang-Su Kim, “Low power contrast enhancement for
emissive displays,” Appl. No. PCT/KR2011/006943, Sep. 2011.
[7] Il-lyong Jung, Chang-Su Kim, Chulwoo Lee, and Tae-Hyun Kim, “Mobile terminal
and method for inputting instructions thereto,” Appl. No. 10-2009-0020530, Mar.
2009.
PROFESSIONAL Reviewer
ACTIVITIES
• IEEE Transactions on Image Processing
• Journal of Visual Communication and Image Representation
• Digital Signal Processing: a Review Journal
HONORS AND
AWARDS
• Best Paper Award in Journal of Visual Communication and Image Representation, 2014
• Best Paper, Korea University Graduate School, Aug. 2014
• Brain Korea (BK) 21 Graduate Student Fellowship, National Research Foundation of
Korea (2006 – 2012)
• Recognized as one of the Top 25 Hottest Articles in Journal of Visual Communication
and Image Representation, 2012.
• Outstanding Paper, Conference by Korean Society of Broadcast Engineers (KSBE), Nov.
2011
MEMBERSHIP
Member of IEEE
COMPUTER
SKILLS
Languages
• C/C++, MATLAB
Last updated: May 29, 2015
Chulwoo Lee
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