HANSEOK KO

Professor, Department of Electronics Engineering
 Director, Intelligent Signal Processing Research Center 

   

Email: hsko@korea.ac.kr

Phone: +82-2-3290-3239

Fax    : +82-2-3291-2450

Mailing Address  : Engineering Bldg. Room 419 or 439 Dept. of Electronics and  Computer Engineering,

                               Korea Univ. Anam Campus, Anam-dong 5-ga, Seongbuk-gu, Seoul, Korea (136-713)

 
Hanseok Ko holds a position of full Professor of Electrical and Computer Engineering at Korea University, Seoul.  Dr. Ko received B.S. degree from Carnegie Mellon University in 1982, M.S. degree from the Johns Hopkins University in 1986 and Ph.D. degree from the Catholic University of America in 1992, all in electrical engineering.  Dr. Ko joined the faculty of the Electrical and Computer Engineering , Korea University, in 1995 and became tenured full professor in 2002.   He was a Visiting Professor in the ECE Dept, Johns Hopkins University in 2001 and the CS Dept, University of Maryland in 2009.  During his tenure as faculty at Korea University, Dr. Ko has been credited as the main developer of core audio/speech interface technogies for Hyundae Motor line of automobiles.   He also served as the Chair of the ECE Dept in 2002~2004 and the Dean of Information and Computer Technology Office of Korea University in 2004~2006.  Since 2008, Dr. Ko has been serving as the Director of STW-KU Intelligent Signal Processing Research Center, sponsored by Samsung, to engage research on image/vision enhancement and multimodal technologies for robotics and surveillance camera applications.  Dr. Ko has authored/coauthored over 350 papers in signal processing area and 26 patents are either issued or pending in US and Korea.  His professional interests include speech/image signal processing and enhancement for pattern recognition, multi-modal analysis for human-machine interface and robotics.  Dr. Ko has served as an officer for the IEEE Seoul Section, was a founder member of the Journal of Communications and Networks and currently serves as Vice President of the Acoustical Society of Korea.
  •   The Scientific World Journal (SWJ) Editor
  •   JCN (Journal of Communication and Networks) Editor, Founding Member
  •   IEEE Senior Member
  •   IEE member, IEE Chartered Engineer
  •   Life Member of IEEK (Institute of Electronics Engineers of Korea)
  •   Korea Institute of Communication Sciences Council Member
  •   Vice President, Acoustical Society of Korea (ASK)
  •   President, Robotics Group, Korea University
  •   Council Member, Korea Speech Science
  •   Dean, Information and Computing Technology Office, Korea University (2004~2006)
  •   Chair, Electrical and Computer Engineering Dept, Korea University (2002~2004)
  •   Korea Association of Speech Science - past Executive Director (1999-2000)
  •   IEEE Seoul Section Treasurer (2003)
  •   Korea University IT Incubation Center - past Director (1999-2000)
  •   Marques' Who's Who in the world
  •   Who's who in Science and Engineering, 2005-2006
  •   2000 Outstanding Scientists of the 21st  Century by the IBC
  •   Marques' Who's Who in Science and Engineering, 2005-2007
 



International Journal
2012
[66] [SCI] Hanjun Kim, Bonhwa Ku, David K. Han, Sunmee Kang, and HANSEOK KO, "Adaptive selection of model histograms in block-based background subtraction", Electronics Letter, Vol. 48, No. 8, pp. 434-435, April 2012 [IF = 1.004]
[65] [SCI-E] Suwon Shon, David K. Han, Jounghoon Beh and HANSEOK KO, "Full Azimuth Multiple Sound Source localization with 3-channel microphone array", IEICE Trans. on Fundamentals, Vol.E95-A, No.4, pp. 745-750, April 2012. [IF = 0.291]
   
2011
[64]



 [SCI-E] Minjae Kim, Bonhwa Ku, Daesung Chung, Hyunhak Shin, David K. Han and HANSEOK KO, "Robust Video Super Resolution Algorithm Using Measurement Validation Method and Scene Change Detection" , EURASIP Journal on Advances in Signal Processing, Vol.2011, No.103, November 2011. [IF = 1.01]
[63]


 [SCI] Jihyo Lee, Kyungshik Roh, David Wagner and HANSEOK KO, "Robust local feature extraction algorithm with visual cortex for object recognition" , Electronics Letters, Vol.47, No.19, pp.1075-1076 , September 2011. [IF = 1.004]
[62]


 [SCI] Bonghyup Kang, Changwon Jeon, David K. Han and HANSEOK KO,"Adaptive Height-Modified Histogram Equalization and Chroma Correction in YCbCr Color Space for Fast Backlight Image Compensation", Image and Vision Computing, Vol.29, No.8, July 2011. [IF = 1.525]
[61]


 [SCI] Bonhwa Ku, Younghyun Lee, Wooyoung Hong and HANSEOK KO, “Suppressing Ghost Targets Via Gating and Tracking History in Y-shaped Passive Linear Array Sonars”, IEEE Trans. on AES, Vol.47, No.3, pp 1605-1616, July 2011. [IF = 1.23]
[60]


 [SCI] Woohyun Choi, Seungil Kim, Minseok Keum, David K. Han and HANSEOK KO, "Acoustic and Visual Signal Based Context Awareness System for Mobile Application", IEEE Transaction on Consumer Electronics, Vol.57 , No.2, pp.738-746, May 2011. [IF = 1.038]
2010
[59]

 [SCI-E] Minwoo Lee, Yoonjae Lee, Kihyeon Kim and HANSEOK KO, “Harmonic Components Based Post-filter Design for Residual Echo Suppression” , IEICE Trans- Fundamentals, Vol.E93-A, No.01, pp.320-323, January 2010. [IF = 0.437]
2009
[58]

 [SCI-E] Junbum Park, Younghyun Lee and HANSEOK KO, “Dynamic Time Warping based Identification using Gabor Feature of Adaptive Motion Model for Walking Humans”, IJCAS, Vol.7, No.5, pp. 817-823, October. 2009. [IF = 0.59]
[57]

 [SCI-E] Kihyeon Kim and HANSEOK KO, “Robust relative transfer function estimation for dual microphone- based generalized sidelobe canceller”, IEICE Trans.Inf. & Syst., Vol.E92-D, No.9, pp. 1794-1797, September. 2009. [IF = 0.369]
[56] [SCI-E] Yoonjae Lee, Kihyeon Kim, Jongsung Yoon and HANSEOK KO, "W-disjoint Orthogonality based Residual Acoustic Echo Cancellation for Hands-free Communication", IEICE Trans-Fundamentals, Vol. E92-A, No.8, August, 2009. [IF = 0.437]
[55] [SCI] Kihyeon Kim, Robert H Baran and HANSEOK KO, "Extension of Two-channel Transfer Function based Generalized Sidelobe Canceller for Dealing with Both Background and Point-source Noise", Speech Communication, Vol. 51, No. 6, pp. 521-533, June, 2009. [IF = 1.229]
[54] [SCI-E] Kihyeon Kim and HANSEOK KO, "Optimal Gain Filter Design for Perceptual Acoustic Echo Suppressor", IEICE Trans. Inf. & Syst., Vol. E92-D, no. 6, pp. 1320-1323, June, 2009. [IF = 0.369]
[53] Bailing Zhang, Sheng-Uei Guan and HANSEOK KO, “Learning Kernel Subspace Classifier for Robust Face Recognition”,International Journal of Soft Computing , Vol.4 no. 2, pp. 103-108,2009.
2008
[52] [SCI-E] Colin Fyfe, W. Barbakh, Wei Chuan Ooi and HANSEOK KO, "Topological Mapping of Video and Audio Data", International Journal of Neural System, Dec 2008, Vol.18, Issue 6, pp.481-489, December, 2008. [IF = 0.901]
[51] [SCI-E] Junho Park and HANSEOK KO, "Real-Time Continuous Phoneme Recognition System using Class-Dependent Tied-Mixture HMM with HBT Structure for Speech-Driven Lip-synchronization", IEEE Trans-Multimedia, Vol.10, Issue 7, pp.1299-1306, November, 2008. [IF = 1.518]
[50] [SCI-E] Yoonjae Lee, Seokyeong Jeong and HANSEOK KO, "Masking Property based Residual Acoustic Echo Cancellation for Hands-free Communication in Automobile Environment", IEICE Trans-Infor. & Sys, Vol.E91-D, No.10, pp.2528-2531, October, 2008. [IF = 0.245]
[49] [SCI] Robert Baran and HANSEOK KO, "Detecting Horizontally Transferred and Essential Genes Based on Dinucleotide Relative Abundance ", DNA Research, Vol.15, No.5, pp.267-276, October, 2008. [IF = 3.525]
[48] [SCI] Jihyo Lee and HANSEOK KO, "Gradient-based local affine invariant feature extraction for mobile robot localization in indoor environments" , Pattern Recognition Letters, Vol 29, Issue 14, pp.1934-1940, October, 2008. [IF = 0.853]
[47] [SCI] S. Kim, B. Ku, W. Hong and HANSEOK KO, “Performance Comparison of Target Localization for Active Sonar Systems”, IEEE Trans. on AES, Vol 44, No 4, pp.1371-1380, October, 2008. [IF = 1.024]
2007
[46] [SCI] H.Yoon and HANSEOK KO, "Microphone Array Post-filter using Input-output Ratio of Beamformer Noise Power Spectrum", Electronics Letters, Vol. 43, No. 18, pp.1003-1005, August, 2007. [IF = 1.063]
[45] [SCI] Yoonjae Lee and HANSEOK KO, "Effective Energy Feature Compensation using Modified Log-energy Dynamic Range Normalization for Robust Speech Recognition", IEICE Trans-Communications, Vol. E90-B, No. 6, pp.1508-1511, June, 2007. [IF = 0.29]
[44] Colin Fyfe, Wei Chuang Ooi and HANSEOK KO, "Visualising and Clustering Video Data", LNCS, Vol. 4881, pp. 335-344, December, 2007
[43] Bailing Zhang, HANSEOK KO and Yongsheng Gao, "Learning Kernel Subspace Classifier", LNCS, Vol. 4642, pp.299-308, August, 2007.
2006
[42] [SCI-E] HANSEOK KO, D.K. Han, "SVM-based Phoneme Classification and Lip Shape Refinement in Real-time Lip-synch System", International Journal of Pattern Recognition and Artificial Intelligence, Vol 20, No. 7, pp 1029-1051, November,2006. [IF = 0.638]
[41] [SCI-E] Heungkyu. Lee, June Kim and HANSEOK KO, "Prediction Based Occluded Multitarget Tracking Using Spatio-Temporal Attention", International Journal of Pattern Recognition and Artificial Intelligence, Vol. 20, No.6, pp 925-938, September, 2006. [IF = 0.638]
[40] [SCI] Jounghoon Beh, Robert Baran and HANSEOK KO, "Dual Channel Based Speech Enhancement using Novelty Filter for Robust Speech Recognition in Automobile Environment", IEEE Transaction on Consumer Electronics, Vol 52 Number 2, pp 583-589, May 2006 [IF = 0.6]
[39] [SCI] Junho Park and HANSEOK KO, "Achieving a Reliable Compact Acoustic Model for Embedded Speech Recognition System with High Confusion Frequency Model Handling", Speech Communication, Vol.48, Issue 6, pp 737-745, June, 2006. [IF = 1.178]
[38] [SCI] Heungkyu Lee and HANSEOK KO, "Competing Models based Text-Prompted Speaker Independent Verification Algorithm", Speech Communication, Vol. 48, Issue 1, pp. 28-44, January, 2006. [IF = 1.178]
[37] [SCI] Robert H. Baran and HANSEOK KO, "An Ising model of Transcription Polarity in Bacterial Chromosomes", PHYSICA A-Statistical Mechanics and Its Applications, Vol. 362, Issue 2, pp.403-422, April 2006. [IF = 1.332]
[36] [SCI-E] Sangwoo Jo, Yong-Moo Kwon, and HANSEOK KO, "Indoor Environment Modeling for Interactive VR – Based Robot Security Service", LNCS, Vol 4282, pp.1253-1262, 2006. [IF = 0.402]
[35] [SCI-E] Heungkyu Lee, Sunmee Kang and HANSEOK KO "Decision Theoretic Fusion Framework for Actionability Using Data Mining on an Embedded System", LNCS, Vol. 3755, pp.90-104, 2006. [IF = 0.402]
2005
[34] [SCI] Junho Park and HANSEOK KO, "Effective Acoustic Model Clustering via Decision-tree with Supervised Learning", Speech Communication, Vol. 46, Issue 1, pp. 1-13, May,2005. [IF = 1.178]
[33] [SCI-E] Taeyoon Kim and HANSEOK KO, "Bayesian Fusion of Confidence Measures for Speech Recognition", IEEE Signal Processing Letters, Vol. 12, No. 12, pp. 871-874, December, 2005. [IF = 0.611]
[32] [SCI] Taeyoon Kim and HANSEOK KO, "Bayesian Confidence Scoring and Adaptation Techniques for Speech Recognition", IEICE Trans-Communications, Vol. E88-B, No. 4, pp.1756-1759, Apr, 2005. [IF = 0.348]
[31] [SCI] Sungjoo Ahn and HANSEOK KO, "Background Noise Reduction via Dual-channel Scheme for Speech Recognition in Vehicular Environment", IEEE Transactions on Consumer Electronics, Vol. 51, No. 1, pp. 22-27, Febrary, 2005. [IF = 0.6]
[30] [SCI-E] Heungkyu Lee, Jounghoon Beh, June Kim and HANSEOK KO, "Model based Abnormal Acoustic Source Detection Using a Microphone Array", LNAI, Vol. 3809, pp.966-969, December, 2005. [IF = 0.302]
[29] [SCI-E] Heungkyu Lee and HANSEOK KO, "Spatio-Temporal Attention Mechanism for More Complex Analysis to Track Multiple Objects", LNCS, Vol.3704, pp.447-456, 2005. [IF = 0.402]
[28] [SCI-E] Heungkyu Lee and HANSEOK KO, "Predictive Estimation Method to Track Occluded Multiple Objects using Joint Probabilistic Data Association Filter", LNCS, Vol. 3656, pp.852-860, 2005. [IF = 0.402]
[27] [SCI-E] Heungkyu Lee and HANSEOK KO, "Occlusion Activity Detection Algorithm Using Kalman Filter for Detecting Occluded Multiple Objects", LNCS, Vol.3514, pp 139-146, May, 2005. [IF = 0.402]
2004
[26] [SCI] Bonhwa Ku, Jehan Yoon, Han, D.K. and HANSEOK KO, "Data Association for Deghosting in Y-shaped Passive Linear Array Sonars", IEEE Trans. on AES, Vol.40, No. 1, pp. 103- 113, January, 2004. [IF = 1.005]
[25] Yoonjae Lee, Sunmee Kang, Robert H.Baran and HANSEOK KO, "Improved Eigenspace Normalization for Robust Speech Recognition in Noisy Environments", GESTS International Transaction on Speech Science and Engineering, Vol.1, No. 2, pp169-179, December, 2004.
[24] Heungkyu Lee and HANSEOK KO, "Voice Code Verification Algorithm Using Competing Models For User Entrance Authentication", LNAI, Vol. 3339, pp.610-622, December, 2004. [IF = 0.251]
[23] Yoonjae Lee and HANSEOK KO, "A New Feature Normalization Scheme Based on Eigenspace for Noisy Speech Recognition", LNCS, Vol. 3246, pp76-78, October, 2004. [IF = 0.513]
2003
[22] Jihyo Lee and HANSEOK KO, "Effective Tracking for Maneuvering Mobile Station via Interacting Multiple Model Filter in CDMA Environment", IEICE Trans-Communications, Vol.E86-B,No.11,pp.3336-3339, November, 2003. [IF = 0.436]
[21] HANSEOK KO, I.K.Lee, J.H. Lee, D.Han, "Effective Multi-vehicle Tracking in Nighttime Condition using Imaging Sensors", IEICE Trans-Info Sys., Vol.E86-D,No.9, pp.1887-1895, September, 2003. [IF = 0.249]
[20] Jounghoon Beh and HANSEOK KO, "Spectral Subtraction Using Spectral Harmonics for Robust Speech Recognition in Car Environments", LNCS, Vol.2660, pp.1109-1116, June, 2003
[19] Taehee Kwon and HANSEOK KO, "GPD-Based State Modification by Weighted Linear Loss Function", LNCS, Vol.2660, pp.1100-1108, June, 2003
[18] Junbum Park and HANSEOK KO, "Robust Reference Point Detection Gradient of Fingerprint Direction and Feature Extraction Method", LNCS, Vol.2660, pp.1089-1099, June, 2003
[17] Wonjun Hwang and HANSEOK KO, "Image Feature Extraction Algorithm for Support Vector Machines using Multi-layer Block Model", IEICE Trans-Infor. & Sys., Vol.E86-D,No.3,pp.623-632, March, 2003. [IF = 0.249]
[16] R.H.Baran, HANSEOK KO, R.W. Jernigan, "Methods for Comparing Sources of Strand Compositional Asymmetry in Microbial Chromosomes", DNA Research Vol.10, No.3, pp. 85 - 95, July,2003 [IF = 5.59]
2001
[15] D. Yoon and HANSEOK KO, "Target Motion Tracking using Target-Oriented Coordinates", IEICE Trans-Fundamentals, Vol. E84-A, No.4, pp 1081-1084, April, 2001. [IF = 0.374 ]
[14] Wonjun Hwang and HANSEOK KO, "Real-time Vehicle Recognition using Local Feature Extraction", Electronics Letters, Vol.37, No.7, pp. 424-425, March, 2001. [IF = 1.01 ]
[13] W. Kim and HANSEOK KO, "Noise Variance Estimation for Kalman Filtering of Noisy speech", IEICE Trans-Infor. & Sys, Vol. E84-D, No. 1, pp 155-160, January, 2001. [IF = 0.249]
[12] J. Son and HANSEOK KO, "Robust Motion Tracking of Multiple Objects with KL-IMMPDAF", IEICE Trans-Infor. & Sys. , Vol. E84-D No. 1, pp 179-187, January, 2001. [IF = 0.249]
2000
[11] K. Cho, B. Ahn and HANSEOK KO, "Intelligent Adaptive Gain Adjustment and Error Compensation for Improved Tracking Performance", IEICE Trans-Infor. & Sys., Vol. E83-D, No. 11, pp. 1952~1959, November, 2000. [IF = 0.134]
[10] W. Kim and HANSEOK KO, "Spectral Subtraction based on Phonetic Dependency and Masking Effects", IEE Proc. - Vision Image and Signal Proc., Vol. 147, No. 5 , pp.423-427, October, 2000. [IF = 0.305]
[9] HANSEOK KO and G. Jacyna, "Dynamical Behavior of Autoassociative Memory Performing Novelty Filtering", IEEE Transactions on Neural Networks, Vol. 11, No. 5 , pp.1152-1161, September, 2000 [IF = 1.096]
[8] S. Lee and HANSEOK KO, "An Intelligent Multipath Propagation Prediction Model using Circular Representation in Microcell Design", IEICE Trans-Communications, Vol.E83-B, No.4, pp.827-837, April, 2000 [IF = 0.386]
[7] H. Kim and HANSEOK KO, "An Intelligent Image Interpolation using Cubic Hermite Method", IEICE Trans-Infor. & Sys., Vol. E83-D, No. 4, pp. 914-921, April, 2000. [IF = 0.143]
[6] S. Ahn and HANSEOK KO, "Speaker Adaptations in Sparse Training Data for Improved Speaker Verification", Electronics Letters, Vol 36, No. 4, pp. 371-373, Febrary, 2000. [IF = 0.931]
[5] HANSEOK KO and M. Arozullah, "Background Noise Suppression for Signal Enhancement by Novelty Filtering", IEEE Transactions on Aerospace & Electronics System, Vol. 36, Num. 1, pp. 102-113, January, 2000. [IF = 0.659]
1999
[4] Chein-I Chang, Mang Cao and HANSEOK KO, "Image Compression using a Supervised Karhunen-Loeve Transform-Quantization Neural Network", Encyclopedia of Microcomputers, Vol.24, Supplement 3, pp.175-191, October, 1999
1997
[3] S. Kim, HANSEOK KO, W Hahn and J Hahm, "Design and Implementation of dual Processor Block with Shared External Cache Memory", Microprocessors and Microsystems 20, Elseviser Science B.V., pp.595-605, 1997
1994
[2] HANSEOK KO et. al, "Adaptive Wavelet Classification of Acoustic Backscatter and Imagery", Optical Engineering 33(7), pp.2192-2203, July, 1994
[1] HANSEOK KO and R. Baran, "Signal Detectability Enhancement with Autoassociative Back- propagation Networks", Neurocomputing 6(1994), Elsevier Science B.V., Amsterdam, Netherlands, pp.219-236, June, 1994