Ph.D. CEng, IET Fellow
Professor, School of Electrical 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  School of Electrical Engineering,
                     Korea University, 5ka-1 Anam-dong, Seongbuk-Gu, Seoul, 136-713, KOREA


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 for Hyundae/Kia Motors. 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 surveillance (perception) camera applications. Dr. Ko has authored / coauthored over 500 papers in signal processing area and 65 patents are either issued or pending in US and Korea. His professional interests include image/speech/acoustic signal processing and enhancement for pattern recognition, multi-modal analysis for human-machine interface, video-based big data analytics, machine intelligence, and aerial robot perception. Dr. Ko has served as an Editor for SWJ and E-Bridge journals, officer for the IEEE Seoul Section, was a founding member of the JCN, and currently serves as the President of the Acoustical Society of Korea.


  • President, Acoustical Society of Korea (ASK)
  • IET Fellow
  • The Scientific World Journal (SWJ) Editor
  • JCN (Journal of Communication and Networks) Editor, Founding Member
  • IEEE Senior Member
  • Life Member of IEEK (Institute of Electronics Engineers of Korea)
  • Korea Institute of Communication Sciences Council Member
  • Chair, Unmanned Aerial Robot Group, Korea University (Jointly with Carnegie Mellon University)
  • Chair, Video Big-Data Group, Korea University (Jointly with George Washington University)
  • Chair, Human-Robot-Interface Group, Korea University
  • Dean, Information and Computing Technology Office, Korea University (2004~2006)
  • Chair, Electrical and Computer Engineering Dept, Korea University (2002~2004)
  • Speech Science of Korea Council Member
  • IEEE Seoul Section Treasurer (2003)
  • Korea University IT Incubation Center - Director (1999-2000)
  • General Organizing Chair, IEEE AVSS (Advanced Video and Signals for Surveillance) 2014
  • General Organizing Chair, IEEE DSP-in-Vehicle 2013
  • Program Organizing Chair, IEEE MFI (Multisensor Fusion and Integration) 2008
  • Marques' Who's Who in Science and Engineering, 2005-2007


International Journal

[101] [SCI-E] Seongkyu Mun, Suwon Shon, Wooli Kim, David K. Han, and Hanseok Ko, “A Novel Discriminative Feature Extraction for Acoustic Scene Classification using RNN based Source Separation”, IEICE Trans. on Information & System, 2017 [IF = 0.411] (in press)
[100] [SCI-E] Cheoljong Yang, David K. Han, and Hanseok Ko, "Continuous hand gesture recognition based on trajectory shape information," Pattern Recognition Letters, 2017  [IF=1.995]
[99] [SCI-E] Han Wang, Sang Min Yoon, David K. Han, Hanseok Ko, “A feature descriptor based on local patch clustering distribution for illumination-robust image matching ,” Pattern Recognition Letters, vol.94, pp46-54, July, 2017  [IF=1.995]
[98] [SCI-E] Seongkyu Mun, Minkyu Shin, Suwon Shon, Wooil Kim, David Han and Hanseok Ko, "DNN Transfer Learning based Non-linear Feature Extraction for Acoustic Event Classification ", IEICE trans. on Information and Systems , 2017 (in press)  [IF = 0.411] (in press)
[97] [SCI-E] Sangwook Park, Chul Jin Cho, Bonhwa Ku, SangHo Lee, and Hanseok Ko, “Compact HF surface wave radar data generating simulator for a ship detection and tracking,” IEEE Geoscience and Remote Sensing Letters, vol. 14, no.6, pp.969-973, Jun. 2017  [IF=2.761]
[96] [SCI] Sangwook Park, Chul-Jin Cho, Bonhwa Ku, SangHo Lee, and Hanseok Ko, “Simulation and Ship Detection using Surface Radial Current Observing Compact HF Radar,” IEEE Journal of Oceanic Engineering, vol. 42, no. 3, pp544-555, Jul. 2017. [IF=2.297]
[95] [SCI-E] Dubok Park, David K. Han, Hanseok Ko, "Enhancing Underwater Color Images via Optical Imaging Model and Non-Local Means Denoising," IEICE Transactions on Information and Systems, vol. 100, no.7, pp.1475-1483, Jul. 2017. [IF = 0.411]
[94] [SCI-E] Daehun Kim, Bonhwa Ku, David K. Han, Hanseok Ko, "License Plate Detection and Character Segmentation Using Adaptive Binarization Based on Superpixels under Illumination Change," IEICE Transactions on Information and Systems, vol. 100, no.6, pp.1384-1387, Jun. 2017. [IF = 0.411]
[93] [SCI] Jaeyong Ju, Daehun Kim, Bonhwa Ku, David K. Han, Hanseok Ko, "Online Multi-Object Tracking with Efficient Track Drift and Fragmentation Handling," Journal Of The Optical Society Of America A, Vol. 34, No 2, pp. 280-293, Feb. 2017. [IF = 1.457]
[92] [SCI] Jaeyong Ju, Daehun Kim, Bonhwa Ku, David K. Han, Hanseok Ko, "Online Multi-Person Tracking with Two-Stage Data Association and Online Appearance Model Learning," IET Computer Vision, Vol. 11, No 1, pp. 87-95, Feb. 2017. [IF = 0.573]
[91] [SCI] Jaeyong Ju, Daehun Kim, Bonhwa Ku, David K. Han, Hanseok Ko, "Online Multi-Person Tracking with Two-Stage Data Association and Online Appearance Model Learning", IET Computer Vision, 2016. [IF = 0.963] (in press)
[90] [SCI-E] Chuljin Cho, Young Park, Bonhwa Ku, Hanseok Ko, "An implementation of environment recognition for enhancement of advanced video based railway inspection car detection modules" Science of Advanced Materials, 2016. [IF = 2.598] (in press)
[89] [SCI] Seongjae Lee, Sunmee Kang, David K. Han, Hanseok Ko, "Dialogue enabling speech-to-text user assistive agent system for hearing-impaired", Journal of Medical & Biological Engineering & Computing, Vol. 54, No 6, pp. 915-926, June 2016. [IF = 1.726]
[88] [SCI-E] Seongjae Lee, David Han, Hanseok Ko, " Single-channel speech enhancement method using reconstructive NMF with spectrotemporal speech presence probabilities" Applied Acoustics, 2016. [IF = 1.024] (in press)
[87] [SCI] Minkyu Shin, Wooil Kim, David Han, Hanseok Ko, "Relative Transfer Function (RTF) Estimation Utilizing Peaks in Time-Domain RTF," Electronics Letters, 2016. [IF = 0.93] (in press)
[86] [SCI-E] Jaeyong Ju, Murray Loew, Bonhwa Ku, Hanseok Ko, "Hybrid retinal image registration using mutual information and salient features," IEICE Transactions on Information and Systems, Vol.E99-D,No.6,pp. 1729-1732, Jun. 2016. [IF = 0.213]
[85] [SCI-E] Jaeyong Ju, Taeyup Song, Bonhwa Ku, Hanseok Ko, "Key frame extraction based on chaos theory and color information for video summarization," IEICE Transactions on Information and Systems, Vol.E99-D,No.6,pp. 1698-1701, Jun. 2016. [IF = 0.213]
[84] [SCI] Jinsoo Park, Wooil Kim, David K. Han, Hanseok Ko, “Two-Microphone Generalized Sidelobe Canceller with Post-Filter Based Speech Enhancement in Composite Noise”, ETRI Journal, Vol. 38, No. 9, pp. 366-375, April 2016. [IF = 0.771]
[83] [SCI] Suwon shon, Seongkyu Mun, David Han, Hanseok Ko, "Non-negative matrix factorisation-based subband decomposition for acoustic source localisation," Electronics Letters, Vol. 51, No. 22, pp 1723-1724, Oct. 2015 [IF = 1.068]
[82] [SCI-E] Hyunjin Cho, Junseok Lim, Bonhwa Ku, Myoungjun Cheong, Iksu Seo, Wooyoung Hong, Hanseok Ko, "Underwater radiated signal analysis in the modulation spectrogram domain." IEICE Transactions on on  Fundamentals, 2015 (in press)
[81] [SCI] Sangwook Park, Woohyun Choi, David K. Han, Hanseok Ko, " Acoustic Event Filterbank for Enabling Robust Event Recognition by Cleaning Robot," IEEE Transactions on Consumer Electronics, May 2015. (in press)
[80] [SCI-E] Kyungsun Lee, Minseok Keum, David K. Han, Hanseok Ko, "Visual Speech Recognition using Weighted Dynamic Time Warping," IEICE Transactions on Information and Systems April 2015.
[79] [SCI-E] Minjae Kim, David K. Han, Hanseok Ko, "Joint Patch Clustering-based Dictionary Learning for Multimodal Image Fusion," Information Fusion, 2015. [IF = 3.472] (in press)
[78] [SCI] Minjae Kim, Dubok Park, David K. Han, Hanseok Ko, "A Novel Approach for Denoising and Enhancement of Extremely Low-light Video," Consumer Electronics, IEEE Transactions on Consumer Electronics, Vol. 61, No. 1, pp. 72-80, February 2015. [IF = 1.157]
[77] [SCI] Taeyup Song, Changwon Jeon, Hanseok Ko, "Image Stitching using Chaos-inspired Dissimilarity Measure." Electronics Letters, Vol. 51, No. 3, pp. 232-234, February 2015. [IF = 1.068]
[76] [SCI] Chuljin Cho, Hanseok Ko, "Video-Based Dynamic Stagger Measurement of Railway Overhead Power Lines Using Rotation-Invariant Feature Matching," IEEE Transactions on Intelligent Transportation System, Vol. 16, No. 3, June 2015. [IF = 2.472]
[75] [SCI] Han Wang, David K. Han, Hanseok Ko, "Multimodal Image Matching via Dual Codebook based Self-similarity Hypercube Feature Descriptor and Voting Strategy," Electronics Letters, Vol. 50, No. 21, pp. 1518-1520, October 2014  [IF = 1.068]
[74] [SCI-E] Jinsoo Park, Wooil Kim, David K. Han, Hanseok Ko, "Pre-filtering Algorithm for Dual-microphone Generalized Sidelobe Canceller using General Transfer Function," IEICE Transactions on Information and Systems Vol. E97-D, No. 9, pp. 2533-2536, September. 2014. [IF = 0.218]
[73] [SCI-E] Jinsoo Park, Wooil Kim, David K. Han, Hanseok Ko, “Voice Activity Detection in Noisy Environments based on Double-Combined Fourier Transform and Line Fitting,” The Scientific World Journal, Vol. 2014, August 2014. [IF = 1.219]
[72] [SCI] Taeyup Song, Kyungsun Lee, Hanseok Ko, "Visual Voice Activity Detection via Chaos Based Lip Motion Measure Robust under Illumination Changes," IEEE Transactions on Consumer Electronics, Vol. 60, No. 2, pp. 251-257, May 2014. [IF = 1.087]
[71] [SCI] Jounghoon Beh, David K. Han, Hanseok Ko, "Rule-based Trajectory Segmentation for Modeling Hand Motion Trajectory," Pattern Recognition, Vol. 47, No. 4, pp. 1586-1601, April 2014. [IF = 2.632]
[70] [SCI] Jounghoon Beh, David K. Han, Ramani Durasiwami, Hanseok Ko, “Hidden Markov Model on a Unit Hypersphere Space for Gesture Trajectory Recognition,” Pattern Recognition Letters, Vol. 36, pp. 144-153, January 2014. [IF = 1.266]
[69] [SCI-E] Younghyun Lee, David K. Han, Hanseok Ko, “Reinforced AdaBoost Learning for Object Detection with Local Pattern Representations,” The Scientific World Journal, vol. 2013, 2013. [IF = 1.730]
[68] [SCI] Younghyun Lee, David K. Han, Hanseok Ko, "Acoustic Signal Based Abnormal Event Detection in Indoor Environment using Multiclass Adaboost," IEEE Transactions on Consumer Electronics, Vol. 59, No. 3, pp. 615-622, August 2013. [IF = 1.087]
[67] [SCI-E] Dubok Park, David K. Han, Changwon Jeon, Hanseok Ko, "Fast Single Image De-hazing using Characteristics of RGB Channel of Foggy Image," IEICE Transactions on Information and Systems, Vol. E96-D, No. 8, pp. 1793-1799, August 2013. [IF = 0.178]
[66] [SCI] Hanjun Kim, Bonhwa Ku, David K. Han, Sunmee Kang, 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, Hanseok Ko, "Full Azimuth Multiple Sound Source  Localization with 3-channel Microphone Array," IEICE Transactions on Fundamentals, Vol. E95-A, No. 4, pp. 745-750, April 2012. [IF = 0.291]

[SCI-E] Minjae Kim, Bonhwa Ku, Daesung Chung, Hyunhak Shin, David K. Han, 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]

[SCI] Jihyo Lee, Kyungshik Roh, David Wagner, 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]

[SCI] Bonghyup Kang, Changwon Jeon, David K. Han, 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]

[SCI] Bonhwa Ku, Younghyun Lee, Wooyoung Hong, Hanseok Ko, “Suppressing Ghost Targets Via Gating and Tracking History in Y-shaped Passive Linear Array Sonars,” IEEE Transactions on Aerospace and Electronic Systems, Vol. 47, No. 3, pp. 1605-1616, July 2011. [IF = 1.23]

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

[SCI-E] Minwoo Lee, Yoonjae Lee, Kihyeon Kim, Hanseok Ko, “Harmonic Components Based Post-filter Design for Residual Echo Suppression,” IEICE Transactions on Fundamentals, Vol. E93-A, No. 01, pp. 320-323, January 2010. [IF = 0.437]

[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]

[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.
[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]
[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.
[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]
[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]
[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]
[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]
[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]
[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]
[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
[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
[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