Publications & Patents

International Journal (SCI /SCI-E)

[IJ 19] Ji-Hye Han, Dong-Woon Yi, Jihyun Lee, Won-Du Chang, and Hyo-Jeong Lee, “Development of a Smartphone-Based Digits-in-Noise Test in Korean: a Hearing Screening Tool for Speech Perception in Noise,” Journal of Korean Medical Science, 35(21):e163, 2020 Jun 1. (ISSN: 1011-8934, IF: 1.716@2018) [publisher’s site]

[IJ 18] Jungpil Shin, Md Abdur Rahim, Won-Du Chang*, Learning System for Japanese Kanji Calligraphy with Computerized Supervision, Symmetry (EISSN: 2073-8994, IF: 2.143@2018, Switzerland ), 11(9), Aug. 22, 2019. [publisher’s site]

[IJ 17] Won-Du Chang, “Electrooculograms for Human–Computer Interaction: A Review,” Sensors, 19(12), June 2019.

[IJ 16] Hodam Kim, Jihyeon Ha, Won-Du Chang, Wanjoo Park, Laehyun Kim, Chang-Hwan Im, “Detection of Craving for Gaming in Adolescents with Internet Gaming Disorder Using Multimodal Biosignals”, Sensors, 2018, 18(1), Jan 1, 2018 (IF: 2.677@2016, Top 10% in Instruments & Instrumentation).

[IJ 15] Won-Du Chang; Ho-Seung Cha; Do Yeon Kim; Seung Hyun Kim; Chan-Hwang Im, “Development of an electrooculogram-based eye-computer interface for communication of individuals with amyotrophic lateral sclerosis”, Journal of NeuroEngineering and Rehabilitation, 14(1), 89, Sep 8, 2017 (IF: 3.516@2016/ Top 5% in Rehabilitation Filed acc. to JCR IF).

[IJ 14] Kwang-Ryeol Lee, Won-Du Chang (Co-first), Sungkean Kim, and Chang-Hwan Im, “Real-time ‘eye-writing’ recognition using electrooculogram (EOG),” IEEE Transactions on Neural Systems & Rehabilitation Engineering (1534-4320), 25 (1), 37-48 Jan. 2017 (IF: 3.410@2016/ Top 6% in Rehabilitation Filed acc. to JCR IF). [publisher’s site]

[IJ13] Han-Jeong Hwang, Han Choi, Jeong-Youn Kim, Won-Du Chang, Do-Won Kim, Kiwoong Kim, Sungho Jo, Chang-Hwan Im, Toward more intuitive brain–computer interfacing: classification of binary covert intentions using functional near-infrared spectroscopy Journal of biomedical optics 21 (9), 091303-091303, 1 Sep, 2016.

[IJ 12] Won-Du Chang, Hoseung Cha, Chany Lee, Hoon-Chul Kang, and Chang-Hwan Im, “Automatic identification of interictal epileptiform discharges in secondary generalized epilepsy,” Computational and Mathematical Methods in Medicine, Vol. 2016, Article ID 8701973, 9 Jun, 2016 (IF: 0.937@2016).

[IJ 11] Won-Du Chang, Ho-Seung Cha , Chang-Hwan Im, “Removing the interdependency between horizontal and vertical eye-movement components in electrooculograms,” Sensors (1424-8220), 16(2), 227, 14 Feb. 2016. doi:10.3390/s16020227 [publisher’s site] (IF: 2.677@2016/Top 10% in Instruments & Instrumentation)

[IJ 10] Won-Du Chang, Jeong-Hwan Lim, Chang-Hwan Im, An Unsupervised Eye Blink Artifact Detection Method for Real-time Electroencephalogram Processing,” Physiological Measurement, 37 (3), 401-417, 19 Feb. 2016. [publisher’s site] (SCI/ IF: 2.058@2016)

[IJ 9] Won-Du Chang, Ho-seung Cha, Kiwoong Kim, Chang-Hwan Im, “Detection of Eye Blink Artifacts from Single Prefrontal Channel Electroencephalogram,” Computer Methods and Programs in Biomedicine (0169-2607), 124, 19-30, 1 Feb. 2016.[publisher’s site](SCI/IF:2.503@2016/Top 20% in Computer Science, Theory & Methods)

[IJ 8] Young Seok Shin, Won-du Chang, Jinsick Park, Chang-Hwan Im, Sang In Lee, In Young Kim, Dong Pyo Jang, “Correlation between Inter-Blink Interval and Episodic Encoding during Movie Watching,” PLos ONE, 10 (11), e0141242, 3 Nov. 2015.

[IJ 7] Won-Du Chang, Chang-Hwan Im, “Enhanced Template Matching Using Dynamic Positional Warping for Identification of Specific Patterns in Electroencephalogram,” Journal of Applied Mathematics (SCI-E), vol. 2014, Article ID 528071, 7 pages, April 24, 2014. http://dx.doi.org/10.1155/2014/528071 [publisher’s site] (IF: 0.72 when it was published. This journal has been dropped from SCI-E at Sep.2014)

[IJ 5] Won-Du Chang, Jungpil Shin, “A Statistical Handwriting Model for Style-preserving and Variable Character Synthesis,” International Journal on Document Analysis and Recognition IJDAR (SCI-E), Volume 15, Issue 1, pp 1-19, 1 Mar. 2012. [publisher’s site] (IF: 0.902@2016)

[IJ 4] Won-Du Chang, Jungpil Shin, “Dynamic Positional Warping: Dynamic Time Warping for Online Handwriting,” International Journal of Pattern Recognition and Artificial Intelligence (IJPRAI) (SCI-E), Volume No. 23 , Issue No. 05, pp. 967-986, 1 Aug. 2009. Preliminarily version of this paper was presented at IGS2007 [IC 7]. [publisher’s site] (IF: 0.994@2016)

International Journal (SCOPUS)

[IJ 6] Won-Du Chang, Keunsoo Yun, Jungpil Shin, “Text-independent and character-dependent online writer verification,” Journal of Convergence Information Technology (SCOPUS), vol.7, no.16, pp.161-168, 1 Sep. 2012.

[IJ 3] Won-Du Chang, Jungpil Shin, Mi-Young Song, Tae-Soo Chon, “Enhanced Back Propagation Algorithm for Estimating Ecological Data with Missing Values”, WSEAS Transactions on Computers (SCOPUS), Issue 9, vol. 5, pp.2043-2048, 2006. [abstract][pdf]

[IJ 2] Nuha Loling Othman, Jungpil Shin, Won-Du Chang, “Chain Code Distance: a Global Feature for On-line Signature Verification”, WSEAS Transactions on Computers (SCOPUS), Issue 9, vol. 5, pp.2037-2042, 2006.

International Journal (Others)

[IJ 20] Seung Geon Lee, Young-Jun Yang, Won-Du Chang, Jung Min Sohn, Predicting the residual fatigue life of a cargo hull tank using a deep-learning technique, Journal of International Maritime Safety, Environmental Affairs, and Shipping, 23 July. 2020. https://www.tandfonline.com/doi/full/10.1080/25725084.2020.1795463

[IJ 8] Ho-Seung Cha, Won-Du Chang, Young Seok Shin, Dong Pyo Jang, Chang-Hwan Im, EEG-based neurocinematics: state-of-the-art and challenges, Journal of Brain Computer Interface, 19 Oct. 2015. http://dx.doi.org/10.1080/2326263X.2015.1099091

[IJ 1] Won-Du Chang, Jungpil Shin, “Construction of Panoramic and Perspective Image using Spherical Projection from Catadioptric Image”, GESTS International Transaction, vol.25, no.1, pp.185-195, 2005. Translated and Updated from [KC 2]. [abstract][pdf]

International Conference: Featured (SCOPUS)

[IC 23] Won-Du Chang, Hoseung Cha, Chang-Hwan Im, “Feasibility Study for Asynchronous Communication with Eyes,” Proc.:in the 41th IEEE Engineering in Medicine and Biology Society (EMBC), Berlin, Germany, July 23-27, 2019.

[IC 24] Won-Du Chang, Kwang-Ryeol Lee, Sung Kean Kim, Chang-Hwan Im, “EOG-Based Eye-Writing for Communication of the Paralyzed,” Proc.:in the 38th IEEE Engineering in Medicine and Biology Society (EMBC), Orlando, USA, Aug. 2016. This is an abstract of [IJ 12]

[IC 23] Ho-Seung Cha, Won-Du Chang, Chang-Hwan Im, “A Real-Time Lip Gesture Recognition System using Facial EMG,” Proc.:in the 38th IEEE Engineering in Medicine and Biology Society (EMBC), Orlando, USA, Aug. 2016.

[IC 22] Chang-Hwan Im, Dongpyo Jang, Ho-Seung Cha, Won-Du Chang, Young-Seok Shin, “EEG-Based Neurocinematics: Potential Brain Indices for Rating Films,” Proc.:in the 37th IEEE Engineering in Medicine and Biology Society (EMBC), Milano, Italy, Aug. 2015.

[IC 21] Won-Du Chang, Chang-Hwan Im, “An Automatic Individual Adaption Method for Real-time EyeBlink Detection from a Single Channel EEG,” Proc.:in the 7th International IEEE EMBS Neural Engineering Conference (NER’15), Montpellier, France, April. 2015.

[IC 19] Won-Du Chang, Ho-Seung Cha, Chang-Hwan Im, “A New Method for Detecting Eye-Blink Artifacts from a Single-Channel Electroencephalogram,” Proc.:in the 36th IEEE Engineering in Medicine and Biology Society (EMBC), Chicago, USA, Aug. 2014.

[IC 18] Won-Du Chang, Ho-Seung Cha, Chang-Hwan Im, “Enhanced Template Matching Using Dynamic Positional Warping for Pattern Recognition in Electroencephalogram,” Proc.:in the 36th IEEE Engineering in Medicine and Biology Society (EMBC), Chicago, USA, Aug. 2014. This is an abstract of [IJ 7]

[IC 17] Ho-Seung Cha, Jeong-Hwan Lim, Chang-Hee Han, Han-Jeong Hwang, Chang-Hwan Im,Won-Du Chang, “A Transient Visual Evoked Potential (tVEP)-Based Brain Switch System,” Proc.:in the 36th IEEE Engineering in Medicine and Biology Society (EMBC), Chicago, USA, Aug. 2014.

[IC 16] Michikazu Kikugawa, Won-Du Chang, Soonwook Hwang, Jungpil Shin, “A Fast Shape Retrieval using Dendrogram,” Proc. The 2010 International Joint Conference on Neural Networks (SCOPUS), pp. 1-5, July 2010.

[IC 15] Soonwook Hwang, Won-Du Chang, Jungpil Shin, “An Elastic Band Model for Shape Retrieval”, Proc. The International Conference on Signal and Image Processing Applications (SCOPUS) , Malaysia, pp. 363 – 368, Nov. 2009.

[IC 11] Won-Du Chang, Jungpil Shin, “Fast Unsupervised Classification for Handwritten Stroke Analysis,” Proceedings of 11th International Conference on Enterprise Information Systems (ICIES 2009), Milian, Italy, May. LNBIP (Scopus) vol. 24, pp. 918–927, 2009. [Link to GoogleBook]

[IC 8] Won-Du Chang, Jungpil Shin, “DPW Approach for Random Forgery Problem in Online Handwritten Signature Verification,” Proceedings of 4th International Conference on Networked Computing and Advanced Information Management (NCM 2008) (SCOPUS), Gyeongju, Korea Republic, Sep. 2008. [abstract][pdf]

[IC 6] Won-Du Chang, Jungpil Shin, “Modified Dynamic Time Warping for Stroke-based On-line Signature Verification”, 9th International Conference on Document Analysis and Recognition (ICDAR’07) (SCOPUS), pp. 724-728, Curitiba, Brazil, Sep. 2007.

[IC 5] Won-Du Chang, Jungpil Shin, “Interactive Virtual Oriental Brush with Pen-Tablet System”, Knowledge-Based Intelligent Information and Engineering Systems (KES2007), Vietri sul Mare, Italy, LNCS (SCOPUS) vol. 4693, pp. 387-394, Sep. 2007.

[IC 4] Atsushi Takeda, Jungpil Shin, Won-Du Chang, “Modeling Scratchiness Effect of Oriental Writing Brush”, Proc. IEEE International Conference on Computer and Information Technology (SCOPUS), pp.121-126, Seoul, Republic of Korea, Sep. 2006. [abstract][publisher’s site]

International Conference: Others

[IC 22] Won-Du Chang, Ho-Seung Cha, and Chang-Hwan Im, “Improved Electrooculogram-based Eye-writing Recognition Using a New Feature Extraction Method,” Proc:in International BioMedical Engineering Conference 2015, Nov. 12-14, 2015, Hotel Hyundai, Gyeongju, Korea (Best Oral Presentation Award)

[IC 20] Won-Du Chang, Ho-Seung Cha, and Chang-Hwan Im, “A Novel Method to Detect Eye Blink Artifacts from a Frontal Single-Channel Electroencephalogram,” Proc:in International BioMedical Engineering Conference 2014, Nov. 20-22, 2014, Kimdaejung Convention Center, Gwangju, Korea

[IC 14] Won-Du Chang, Jungpil Shin, “Text-independent and Character-dependent Online Writer Verification: Using Personal Features of Character in the Context of String”, IWAC’09, pp.650-653, Aizu-Wakamatsu, Japan, Sep. 2009.

[IC 13]Tetsuya Takanashi, Won-Du Chang, Jungpil Shin, “The Use of Pen Inclination and Pressure Information to Improve On-line Signature Verification”, IWAC’09, pp.644-647, Aizu-Wakamatsu, Japan, Sep. 2009.

[IC 12]Hiroshi Naito, Won-Du Chang, Jungpil Shin, “Detecting the Effect of Alcohol Consumption using On-line Handwritten Signature,” 14th Conference of the International Graphonomics Society (IGS 2009), pp.18-21, France, Sep. 2009.

[IC 10] Won-Du Chang, Jungpil Shin, “A Stochastic Stroke Model for Variable and Personalized Handwriting Synthesis,” Fourth International Conference on Intelligent Computing and Information Systems (ICICIS 2009), pp.705-711, Cairo, Egypt, March. 2009. [pdf]

[IC 9] T. Orr, W. Chang, S. Inomata, K. Itabashi, T. Itagaki, D. Ma, G. Na, K. Noda, and Y. Tsunoda, “Writing for Publication: An Undergraduate Course for Students in Computing,” presented at the IEEE Professional Communication Society, Japan Chapter, Annual Symposium. Tokyo, Japan, November 16, 2008.

[IC 7] Won-Du Chang, Jungpil Shin, “Dynamic Position Warping for On-line 2D Shape,” 13th Conference of the International Graphonomics Society (IGS 2007), pp. 36-39, Melbourne, Australia, Nov. 2007. [abstract][pdf] Extended version of this paper is published to IJPRAI [IJ4].

[IC 3] Won-Du Chang, Jungpil Shin, “Paused Object Detection with Background Updating”, Proceedings of the Ninth International Conference on Humans and Computers, pp.13-18, Aizu-Wakamatsu City, Japan, Sep. 2006. [abstract][pdf]

[IC 2] Won-Du Chang, Jungpil Shin, “Missing Data Handling in Multi-Layer Perceptron”, WSEAS Conference on Computers, pp.631-636, Athens, Greece, July 2006. Revised and Extended versions of this paper is published in an international Journal [IJ 3]. [abstract][pdf]

[IC 1] Nuha Loling Othman, Jungpil Shin, Won-Du Chang, “A Global Feature for On-line Signature Verification”, WSEAS Conference on Computers, pp. 340-344, Athens, Greece, July 2006. Revised and extended version of this paper is published in an international Journal [IJ 2].

Korean Domestic Journal

[KJ 5] 최선한, 최필주, 장원두, 이지환, “부산광역시 도시철도 혼잡도 완화를 위한 디지털 트윈 시뮬레이션 모델 개발,” 한국멀티미디어학회, 23 (10), 1270-1285, 2020.

[KJ 4] 장원두, 양영준, 최성진, “합성곱 신경망을 이용한 Bender Gestalt Test 영상인식,” 한국멀티미디어학회 22 (4), 455-462, 2019.

[KJ 3] 장승태, 이정환, 장재영, 장원두, “저가형 EOG 계측장치를 이용한 시선추적,” 한국융합학회 9 (11), 53-60, 2018.

[KJ 2] 장원두, 임창환, “웨이블릿 계수와 Dynamic Positional Warping을 통한 EOG기반의 사용자 독립적 시선인식,” 한국멀티미디어학회, 21(9), 1119-1130, 2018.

[KJ 1] Do-Hyeon Kim, Won-Du Chang, Ha-Young Kim, Eui-Young Cha, “The Recognition of Grapheme ‘ㅁ’, ‘ㅇ’ Using Neighbor Angle Histogram and Modified Hausdorff Distance”, Journal of Korea Multimedia Society, Vol.8, No.2, pp. 181-191. (in Korean)

Korean Domestic Conference

[KC9] 양영준, 손정민, 장원두, “LSTM을 사용하는 선체피로도의 예측,” 2019년도 한국멀티미디어학회 추계학술발표대회, 2019.11.15-16, 중앙대학교, 서울, 대한민국.

[KC8] 장승태, 장원두, “Gaze Tracking with Low-price EOG Measuring Device,” The 8th International Conference on Convergence Technology in 2018, 2018.07.4-7, 제주대학교, 제주, 대한민국.

[KC7]장승태, 김수란, 장원두, “저가형 안구전도 측정장치를 이용한 4방향 시선인식에 관한 연구,” 멀티미디어학회 추계학술대회, 2017.11.24-25, 동명대학교, 부산, 대한민국.

[KC 6] 장원두,임창환, “웨이블릿과 DPW를 이용한 개선된 안구전도 기반 눈글 인식 시스템,” 제 51회 대한의용생체공학회 춘계학술대회, 2016.5.12-13, 부경대학교, 부산, 대한민국.

[KC 5] 차호승,임종엽,전다솔,장원두,임창환, “안구전도를 이용한 실시간 숫자 입력장치,” 제 50회 대한의용생체공학회 춘계학술대회, 2015.5.8-9, 대구경북첨단의료산업진흥재단 커뮤니케이션 센터, 대구, 대한민국.

[KC 4] 장원두,임창환, “실시간 눈 깜빡임 검출을 위한 개인별 임계치의 자동조절방법,” 제 50회 대한의용생체공학회 춘계학술대회, 2015.5.8-9, 대구경북첨단의료산업진흥재단 커뮤니케이션 센터, 대구, 대한민국.

[KC 3] 장원두, 차호승, 임창환, “단채널 EEG 신호에서의 스파이크 자동검출,” 제 49회 대한의용생체공학회 춘계학술대회, 2014.5.9-10, C&V Center, 오송, 대한민국.

[KC 2] Won-Du Chang, Young-Uk Seo, Jin-Sook Kang, Eui-Young Cha, “A Spherical Projection Algorithm for Correcting Distortion of Omnidirectional Image Using Catadioptric Camera,” Spring Conference of Korea Information Processing Society, Republic of Korea, 2003. (Written in Korean) Revised version of this paper is published in an international Journal [IJ 1].

[KC 1] Young-Uk Seo,Sangul Lee, Won-Du Chang, Eui-Young Cha, “Research on Multi Object Tracking using Hungarian Algorithm,” Spring Conference of Korea Information Processing Society, Republic of Korea, 2004. (Written in Korean)

Unrefereed International Conference

[UR_IC 2] Masahiro Terayama, Jungpil Shin, Won-Du Chang, “Object Detection using Histogram of Oriented Gradients,” The Second International Workshop on Frontiers of Information Technology, Applications and Tools, Korea, pp.78-82. Oct. 2009.

[UR_IC 1] Won-Du Chang, Sun-Hee Cha, Tae-Soo Chon, Eui-Young Cha, “Evaluation of Water Quality Indicators Responding to Changes in Environmental Factors”, 2004 Conference of International Society for Ecological Informatics, pp.95, Republic of Korea, Oct. 2004.

Korean Domestic Patent (등록)

[KP7] 장원두, 임창환, 차호승, “안구전도를 이용하는 비동기식 눈글 인식 방법 및 장치,” 등록번호: 10-2246539 (2021.04.26), 출원번호: 10-2019-0124660 (2019.10.08)

[KP 6] 장원두, 임창환, “안구전도 신호로부터 안정적인 시선 추적을 가능하게 하는 간편한 신호 보정 방법 (A simplified method to calibrate EOG signal for gaze tracking),” 등록번호: 10-1811939 (2017.12.18), 출원번호: 10-2016-0001973 (2016.01.07)

[KP 5] 장원두, 임창환, 차호승, 이광렬, “안구전도 시선 트래킹 기술 기반 눈글 인식 방법 및 시스템 (A method of analyzing EOG for Eye-writing Recognition),” 등록번호: 10-1745774 (2017.06.02), 출원번호: 10-2015-0044544 (2015.03.30)

[KP 4] 장원두, 임창환, “시계열 데이터에서의 실시간 스파이크 검출을 위한 비지도 학습 형식의 자동 임계값 조정 방법 및 장치 (Automatic Thresholding for real-time spike detection in a time-series data),” 등록번호: 10-1615480 (2016.04.19), 출원번호: 10-2015-0036176 (2015.03.16)

[KP 3] 장원두, 차호승, 임창환, “시계열 데이터에서 너비가 특정 범위내인 스파이크의 구간을 자동검출하는 방법 및 시스템 (A Method to detect spikes whose widths are within a certain range in time-series data),” 등록번호: 10-1581552 (2015.12.23), 출원번호: 10-2014-0058590 (2014.5.15)

[KP 2] 차호승, 임창환, 임정환, 황한정, 한창희, 장원두, “일시적 시각 유발 전위를 이용한 신호 생성 방법 및 장치 (Development of a VEP-based brain switch system),” 등록번호:10-1541619 (2015.07.28), 출원번호: 10-2013-0168546 (2013.12.31)

[KP 1] 장원두, 신중필, “스트로크 생성장치, 스트로크 생성방법, 스트로크 생성프로그램, 문자 생성장치, 문자 생성방법 및 문자 생성프로그램,” 등록번호:1015005110000 (2015.03.03), 출원번호:1020110113797 (2011.11.03). This is the Korean Patent of [JP 1]

Korean Domestic Patent (Submitted)

Japanese Patent (Registred)

[JP 1] Won-Tou Chang (Won-Du Chang), Jungpil Shin, “STROKE GENERATION DEVICE, STROKE GENERATION METHOD, STROKE GENERATION PROGRAM, CHARACTER GENERATION DEVICE, CHARACTER GENERATION METHOD, AND CHARACTER GENERATION PROGRAM,” Patent No. 5713707 (2015.3.20), Reg.No: 2012-159978 (2012.08.23)/ Application No: 2011018668 (2011.01.31)/ Applicant: Univ. of Aizu [site]

Software Copyright (소프트웨어 등록)

[KSC 1] 장원두, 임창환, “아이블링크 마스터 (Eyeblink Master),” C-2014-003735, 2014.02.17.

Japanese to Korean

Yonezawa Kasei http://www.tamras.com/index_kr.html , Apr. 2010.
Tamura Souko http://www.tamras.com/tamura/index_kr.html , Apr. 2010.
FineMold http://finemold.jp/ , Mar. 2011

Research Grants

[KG 6] “순찰로봇 및 CCTV증거영상 내 자동 인물 모자이크 처리 시스템”, 치안현장맞춤형 연구개발사업-경찰청, 2021.07.01 –

[KG 5] “방사선 법의학 영상을 활용한 인공지능기반 신원확인시스템 개발에 관한 연구,” 부산과학기술평가원, 2021.05-2021.10

[KG 4] “얼굴영상에서의 치아영역 검출 프로그램 개발”, Linc+ 산학공동과제, 2021.05 – 2021.10

[KG 3] “행동인식에 기반한 온 디맨드 인간-컴퓨터 인터페이스에 관한 연구,” 교육부, 2020.06-2022.02

[KG 2] “스마트선박을 위한 딥러닝 기반 운항가이드기술 개발,” 부산과학기술평가원, 2019.03 – 2019.11

[KG 1] “HCI응용을 위한 안구전도 기반 아이트래킹 원천기술 개발,” 한국형 SGER (Small Grant Exploratory Research) 과제, 2014.09 – 2020.05