Sung-Hyuk Cha

Sung-Hyuk Cha

Professor
Seidenberg School of CSIS
Computer Science NY

Sung-Hyuk Cha

NYC
1119
15 Beekman
| Office Hours: Tue, Thu 3:25pm-5:55pm

Biography

Awards and Honors

  • Center for Community Outreach, Faculty Leadership Award
  • Pace University, 2019, Provosts Open Educational Resource Grant 2019 ∼ 2020

Education

PhD, State University of New York at Buffalo, 2001
Computer Science

MS, Rutgers University, 1996
Computer Science

BS, Rutgers University, 1994
Computer Science

Research and Creative Works

Research Interest

Document Analysis; Pattern Recognition & Machine Intelligence & Data Mining; Distance Measures & Pattern Matching Algorithm;

Courses Taught

Past Courses

CIS 101: Cmptrs & Environmental Science
CIS 101: Computers & Social Rspnsblty
CIS 101: Forensic Computing
CIS 101: Urban Environment
CIS 102: Prblm Solving Using LEGO Rbtcs
CIT 312: Introduction to Programming I
CIT 314: Introduction to Programming II
CS 113: Mathematical Structures for CS
CS 121: Computer Programming I
CS 122: Computer Programming II
CS 241: Data Structures/Algorithms
CS 241: Data Structures/Algorithms I
CS 242: Algorithms & Computing Theory
CS 325: Introduction to Data Mining
CS 326: Intro Cmptr Vision Pttrn Rcgtn
CS 361: Programming Lang/Implementatn
CS 397: Topic: Intro to Data Mining
CS 397: Topic: Robotics
CS 600: Indpndnt Study in Grad CS
CS 606: Fndmntl Cmptr Sci II with Java
CS 608: Algorithms & Computing Theory
CS 619: Data Mining
CS 631: Intro to Pattern Recognition
CS 631: Topic: Data Mining
CS 632: Topics: Machine Learning
CS 655: Pattern Recognition
CS 676: Algorithms for Data Science
CS 693: Thesis I
CS 694: Thesis II
CS 702: Research Seminar
CS 704: Independent Research
CS 755: Adv. Pattern Rgntn & Mach Lrng
CS 801: Advanced Algorithms
CS 802: Research Seminar
CS 804: Independent Research
CS 806: Dissertation Preparation
CS 855: Pattern Rcgntn & Machine Lrng
DCS 860: Tpcs in Emrgng Cmptr Tchnlgs
DCS 861: Topics in Data Mining
DCS 861: Tpc in Emerging Cmptr Tech II
DCS 891: Research Seminar
DCS 891: Research Seminar VI
DCS 990: Dissertation for DPS in Cmptng
DCS 991: Dssrttn for DPS in Cmptg II
IS 613: Database Management Systems
IS 664: Database Programming
IT 300: Computer Security Overview
IT 308: Computer Forensics
IT 605: Database Management Systems
IT 634: Introduction to Data Mining
IT 638: Intro to Pattern Recognition
IT 664: Computer and Internet Forensic
MAT 104: Finite Mathematics
MAT 117: Elementary Statistics

Publications and Presentations

Publications

Biometric Distinctiveness of Brain Signals Based on EEG
(2018, October (4th Quarter/Autumn)).

Minimising Branch Crossings in Phylogenetic Trees
(2016, June). International Journal of Applied Pattern Recognition. Vol 3 (Issue 1) , pages 22-37. https://www.inderscienceonline.com/doi/abs/10.1504/IJAPR.2016.076982
DOWNLOAD

A Graph Model Related to Chemistry: Conversion of Methane to Higher Alkanes
(2015, December). International Journal of Chemical Modeling. Vol 7 (Issue 1) , pages 17-29.

Graph theory and the conversion of methane to higher order alkanes
(2015, December). Congressus Numerantium. Vol 224 , pages 75-90.

Graphs whose vertices are forests with bounded degree: Open Problems
(2015, December). International Journal Graph Theory and Its Applications. Vol 1 (Issue 2) , pages 123-129. https://www.mililink.com/upload/article/903485702IJGTA%20v1i2%20123-129.pdf
DOWNLOAD

Graphs whose vertices are forests with bounded degree: Planarity
(2015, December). Bulletin of the Institute of Combinatorics and its Applications. https://bica.the-ica.org/BICA.php

A Correlation Method for Handling Infrequent Data in Keystroke Biometric Systems
(2014, March).

Behavioral Biometric Verification of Student Identity in Online Course Assessment and Authentication of Authors in Literary Works
(2013, September).

Keystroke Biometric Studies on Password and Numeric Keypad Input
(2013, August).

Recent Advances in the Development of a Long-Text-Input Keystroke Biometric Authentication System for Arbitrary Text Input
(2013, August).

Developing a Keystroke Biometric System for Continual Authentication of Computer Users
(2012, August).

Continual Keystroke Biometric Authentication on Short Bursts of Keyboard Input
(2012, May).

Radix Selection Algorithm for the k Order Statistic
(2012, May).

Predicting Deep Venous Thrombosis Using Binary Decision Trees
(2011, October (4th Quarter/Autumn)).

On the k-ary Tree Combinatronics
(2011, May). Vol 284

Computing Parity of Combinatorial Functions
(2011, February). Vol 281

Recursive Algorithm for Generating Partitions of an Integer
(2011, January (1st Quarter/Winter)). Vol 280

A Keystroke Biometric System for Long-Text Input
(2010, December).

A Survey of Binary Similarity and Distance Measures
(2010, December).

Keystroke Biometric Identification and Authentication on Long-Text Input
(2010, December). .

Constructing Binary Decision Trees for Predicting Deep Venous Thrombosis
(2010, November).

Performance of a Long-Text-Input Keystroke Biometric Authentication System using an Improved k-Nearest-Neighbor Classification Method
(2010, September).

Performance of a Long-Text-Input Keystroke Biometric Authentication System Using an Improved k-Nearest-Neighbor Classification Method
(2010, September). Vol 276

ROC Curves for Multivariate Biometric Matching Models
(2010, July (3rd Quarter/Summer)).

Forensic Evidence Management Information Systems (FEMIS)
(2010, May).

Keystroke Biometric Identification and Authentication on Long-Text Input
(2009, December). .

Obtaining Biometric ROC Curves from a Non-Parametric Classifier in a Long-Text-Input Keystroke Authentication Study
(2009, November). Vol 268

ROC Curves for Multivariate Biometric Matching Models
(2009, October (4th Quarter/Autumn)). Vol 267

Correlation Analysis of Binary Similarity and Distance Measures on Different Binary Database Types
(2009, July (3rd Quarter/Summer)).

A Survey of Binary Similarity and Distance Measures
(2009, July (3rd Quarter/Summer)).

Survey of Binary Similarity and Distance Measures
(2009, July (3rd Quarter/Summer)).

Anomaly between Jaccard and Tanimoto Coefficients
(2009, May).

Anomaly between Jaccard and Tanimoto Coefficients
(2009, May).

Automating the Lewinson-Zubin Handwriting Personality Assessment Scales
(2009, May).

Computing Earth Mover's Distance with Entry/Exit Fee Cost Matrix
(2009, May).

Visualizing Hierarchical Clustering in Iterated Logarithmic Scales
(2009, May).

A Genetic Algorithm for Constructing Compact Binary Decision Trees
(2009, February). Vol 4:01

Distance Between Histograms with Shuffled Cost Matrix
(2008, December).

Fast Multivariate Ordinal Type Histogram Matching
(2008, December).

Constructing Binary Decision Trees Using Genetic Algorithm
(2008, July (3rd Quarter/Summer)).

Estimating a Vascular Network Growth Using Random Graphs
(2008, April (2nd Quarter/Spring)). Vol 17:1/2

Taxonomy of Nominal Type Histogram Distance Measures
(2008, March).

The Interplay of Student Projects and Student-Faculty Research
(2007, December). Vol 245

The Interplay of Student Projects and Student-Faculty Research
(2007, October (4th Quarter/Autumn)).

Analyzing Shape Context Using the Hamiltonian Cycle
(2007, September).

Comprehensive Survey on Distance/Similarity Measures between Probability Density Functions
(2007, April (2nd Quarter/Spring)). Vol 1:04

DLDA-based Iris Recognition from Image Sequences with Various Focus Information
(2007, April (2nd Quarter/Spring)).

Handwriting Copybook Style Identification for Questioned Document Examination
(2007, April (2nd Quarter/Spring)). Vol 17

Handwriting Recognition Interfaces
(2007, March). Morgan Kaufman. Vol Ch 6

Enhancing Binary Feature Vector Similarity Measures
(2006, December). Vol 1:01

Multifocus Image Sequencing for Iris Recognition
(2006, December). Vol 4319

Security-Related Research and Projects in Computing Promote Student Awareness of Security Issues
(2006, September). Vol 0.223611111

Analyzing Shape Context Using the Hamiltonian Cycle
(2006, July (3rd Quarter/Summer)). Vol 228

Keystroke Biometric Recognition Studies on Long-text Input Over the Internet
(2006, July (3rd Quarter/Summer)).

Shape Matching with Ordered Boundary Points Using a Least-cost Diagonal Method
(2006, June).

Keystroke Biometric Recognition on Long-Text Input: A Feasibility Study
(2006, June).

Keystroke Biometric Recognition on Long-Text Input: A Feasibility Study
(2006, June).

Keystroke Biometric Recognition Studies on Long-Text Input under Ideal and Application-Oriented Conditions
(2006, June).

Keystroke Biometric Recognition Studies on Long-Text Input under Ideal and Application-Oriented Conditions
(2006, June).

Shape Matching with Ordered Boundary Points Using a Least-Cost Diagonal Method
(2006, June).

Assessing the Discriminatory Power of Biometric Verifiers
(2006, May).

Keystroke Biometric Recognition on Long-Text Input: A Feasibility Study
(2006, May).

Keystroke Biometric Recognition Studies on Long-Text Input Under Ideal and Application-Oriented Conditions
(2006, May).

Shape Matching with Ordered Boundary Points Using a Least-Cost Diagonal Method
(2006, May).

On the assumption of cubic graphs of vascular networks
(2006, January (1st Quarter/Winter)). Vol 6143

(2005, December).

(2005, December).

(2005, December).

(2005, December).

(2005, December).

On the Individuality of the Iris Biometric
(2005, December). Vol Vol. 5

Recent Security-Related Research and Projects in CSIS at Pace University
(2005, November).

On the Individuality of the Iris Biometric
(2005, September).

On Binary Similarity Measures for Handwritten Character Recognition
(2005, August).

Writer Profiling Using Handwriting Copybook Styles
(2005, August).

Biometric Identification Generalizability
(2005, July (3rd Quarter/Summer)).

Combining Multiple Iris Biometric Verifiers
(2005, July (3rd Quarter/Summer)).

Combining Multiple Iris Biometric Verifiers
(2005, July (3rd Quarter/Summer)).

Common Chatroom Abbreviations Speed Pen Computing
(2005, July (3rd Quarter/Summer)).

Integrating Heterogeneous Features for Iris Biometric Authentication
(2005, July (3rd Quarter/Summer)).

Nationality Identification from Names Using N-gram Based Cumulative Frequency Addition
(2005, July (3rd Quarter/Summer)).

Analyzing Open Biometric Identification Systems
(2005, June).

Applying Keystroke Biometrics for User Verification and Identification
(2005, June).

Identification of Pottery Shapes and Schools Using Image Retrieval Techniques
(2005, June).

Similarity-based Copybook Style Analysis Using Pseudo-online Handwriting
(2005, June).

Computer Assisted Visual Interactive Recognition (CAVIAR) Technology
(2005, May).

Applying Artificial Intelligence Techniques to Problems of Incomplete Information: Optimizing Bidding in the Game of Bridge
(2005, May).

A Vascular Network Growth Estimation Algorithm Using Random Graphs
(2005, April (2nd Quarter/Spring)).

Automated Pottery Fragment Classifier for Archaeological Studies
(2005, March).

A Lightweight Image Retrieval System for Paintings
(2005, January (1st Quarter/Winter)).

Computer-Assisted Handwriting Style Identification in Questioned Document Examination
(2005, January (1st Quarter/Winter)).

Enhancing Binary Feature Vector Similarity Measures
(2005, January (1st Quarter/Winter)). Vol 210

Automatic Detection of Handwriting Forgery Using a Fractal Number Estimate of Wrinkliness
(2004, December). Vol 18:07

IT Impacts Medical Fields
(2004, November).

Security-Related Research and Projects in Computing Promote Student Awareness of Security Issues
(2004, November).

Use of Chatroom Abbreviations and Shorthand Symbols in Pen Computing
(2004, October (4th Quarter/Autumn)).

A Graphical User Interface for a Fine-Art Painting Image Retrieval System
(2004, October (4th Quarter/Autumn)).

Interactive Flag Identification Using a Fuzzy Neural Technique
(2004, October (4th Quarter/Autumn)).

A Neural Network Classifier for Junk E-mail
(2004, September).

Use of a Random Graph Process in Angiogenesis
(2004, September).

The Interplay of Research and Project Activities in Computing
(2004, August).

Interactive Flag Identification Using Image Retrieval Techniques
(2004, July (3rd Quarter/Summer)). Vol 203

The Detection of Forged Handwriting Using a Fractal Number Estimate of Wrinkliness
(2004, June).

Use of Histogram Distances in Iris Authentication
(2004, June).

Interactive Flag Identification Using Image Retrieval Techniques
(2004, June).

Optimizing Binary Feature Vector Similarity Mearsure Using Genetic Algorithm and Handwritten Character Recognition
(2003, December).

Interactive Visual System
(2003, December). Vol 196

The Detection of Forged Handwriting Using a Fractal Number Estimate of Wrinkliness
(2003, November). Vol pp. 312-315

Application of Stacked Generalization to a Protein Localization Prediction Task
(2003, September). Vol pp. 13-16

Efficient Color Image Retrieval Using Hue Distribution Similarity
(2003, January (1st Quarter/Winter)).

A Fast Hue-Based Colour Image Indexing Algorithm
(2002, December). Vol Vol.11#2/3,p.285-295

Mulitmodal Integration of Voice and Ink for Pervasive Computing
(2002, December).

A Voice and Ink XML Multimodal Architecture for Mobile e-Commerce Systems
(2002, September).

Automatic Detection of Handwriting Forgery
(2002, August). Vol pp. 264-267

Individuality of Handwriting
(2002, July (3rd Quarter/Summer)). Vol Vol. 47/7, p. 1-17

A Fast Nearest Neighbor Search Algorithm by Filtration
(2002, February). Vol Vol. 35/2, p.515-525

Approximate String Matching For Character Recognition and Analysis
(2002, February). .

On Measuring the Distance between Histograms
(2002, February). Vol Vol.35/6,p.1355-1370

Combining Macro and Micro Features for Writer Identification
(2002, January (1st Quarter/Winter)). Vol Vol. 4670, p.155-166

Discriminatory Power of Handwriting (invited paper)
(2002, January (1st Quarter/Winter)). Vol Vol. 4670, p.129-142

On Compressing a Series of MRI Images using Relative and Sequential Information
(2001, December). Vol pp. 37-40

Writing Speed and Writing Sequence Invariant On-Line Handwriting Recognition
(2001, November). World Scientific Publishing Co..

Apriori Algorithm for Subcategory Classification Analysis of Handwriting
(2001, September). Vol pp. 1022-1025

Establishing Handwriting Individuality Using Pattern Recognition Techniques
(2001, September). Vol pp. 1195-1204

Individuality of Handwriting
(2001, September).

Individuality of Handwriting
(2001, September). Vol pp. 106-109

Handwriting Identification: Research to Study Validity of Individuality of Handwriting & Develop Computer-assisted Procedures for Comparing Handwriting
(2001, April (2nd Quarter/Spring)).

Histogram Based Image Indexing and Retrieval
(2001, March). Vol 173

Individuality of Handwriting: A Validation Study
(2001, March).

Handwritten Document Image Database Construction and Retrieval System
(2001, January (1st Quarter/Winter)). Vol Vol. 4307, pp. 13-21

Assessing the Authorship Confidence of Handwritten Items
(2000, December). Vol pp. 42-47

Writing Speed and Writing Sequence Invariant On-line Handwriting Recognition
(2000, October (4th Quarter/Autumn)). World Scientific Publishing Co.. Vol pp. 559-574

Distance Between Histograms of Angular Measurements and Its Application to Handwritten Character Similarity
(2000, September). Vol pp. 21-24

Multiple Feature Integration for Writer Verification
(2000, September). Vol pp. 333-342

Writer Identification: Statistical Analysis and Dichotomizer
(2000, August). Vol Vol. 1876, p.123-132

System That Identifies Writers
(2000, August). Vol p. 1068

Nearest Neighbor Search Using Additive Binary Tree
(2000, June). Vol Vol. 1, pp. 782-787

Mapping the Many Class Problem Into a Dichotomy Using Distance Measures
(2000, March). Vol pp. 57-58

Comparing Color Images Using Angular Histogram Measures
(2000, February). Vol pp. 139-142

Convex Hull Discriminant Function and ItsApplication to Writer Identification Problem
(2000, February). Vol Vol. 2, pp. 13-16

Efficient Algorithms for Image Template and Dictionary Matching
(2000, February). Vol 12:1, pp. 81-90

Approximate String Matching for Stroke Direction and Pressure Sequences
(2000, January (1st Quarter/Winter)). Vol Vol. 3967, pp. 2-10

Approximate Character String Matching Algorithm
(1999, September). Vol pp. 53-56

Algorithm for the Edit Distance Between Angular Type Histograms
(1999, April (2nd Quarter/Spring)).

Fast Image Template and Dictionary Matching Algorithms
(1998, January (1st Quarter/Winter)). Vol Vo. 1351, pp.370-377

Iconic Communication Method for Liver Disease on Teleradiology
(1997, December). Vol Vol 3, pp. 17-25

Medical Image Processing by Using the Intensity Histogram
(1997, December). Vol 3:53-57

Iconic Communication Method for Liver Disease on Teleradiology
(1997, October (4th Quarter/Autumn)). Vol pp. 238-246

Medical Image Processing by Using the Intensity Histogram
(1997, October (4th Quarter/Autumn)). Vol pp. 233-237

Medical Image Processing by using the Intesity Histogram
(1997, October (4th Quarter/Autumn)). Vol pp. 233-237

Presentations

Topics in Dichotomy Transformation Model for Biometric Systems
(2019, December 6). Machine Intelligence Day. Pace University Seidenberg school,

Feature Extraction based on High Order Statistics measures and Entropy for EEG biometrics
(2019, May 2). 7th International Workshop on Biometrics and Forensics. IEEE,

Feature Extraction Method for EEG based Biometrics
(2019, February). 3rd International Conference on Machine Vision and Information Technology. Guangzhou, China.

Biometric Distinctiveness of Brain Signal Based on EEG
(2018, October 22). 29th IEEE International Conference on Biometrics: Theory, Applications, and Systems. IEEE,

On ROC Curve Analysis of Artificial Neural Network Classifiers
(2017, May 15). 30th International FLAIRS Conference. AAAI,

Visualizing Phylogenetic Trees
(2016, April 30). 25th Northeast Regional Conference. KSEA,

Deletable Prime Graphs in Dierent Radix Number Systems
(2015, November 07). Graph Theory Day Seventy. The Metropolitan New York Section of The Mathematical Association of America,

On Extended Vertex Cover, Clique, and Independent Set Problems
(2015, November 07). Graph Theory Day Seventy. The Metropolitan New York Section of The Mathematical Association of America,

Graphs whose vertices are forests with bounded degree: Planarity, Order, Size, Traceability, and Diameter
(2015, May 10). Pace University Student Research Day. Pace University,

On Parity based Divide and Conquer Recursive Functions
(2012, October). a International Conference on Computer Science and Applications. San Francisco.

Taxonomy and Nomenclature of Preferential Voting Methods
(2012, October). International Conference on Computer Science and Applications. San Francisco.

Developing a Keystroke Biometric System for Continual Authentication of Computer Users
(2012, August). European Intel & Security Informatics. Odense, Denmark,.

 Continual Keystroke Biometric Authentication on Short Bursts of Keyboard Input
(2012, May). Pace CSIS Research Day . .

Radix Selection Algorithm for the k Order Statistic
(2012, May). Pace CSIS Research Day M. .

On Integer Sequences Derived from Balanced k-ary trees
(2012, January). American Conference on Applied Mathematics. Cambridge, MA.

An Investigation of Keystroke and Stylometry Traits
(2011, October). Int. Joint Conf. Biometrics. Washington DC.

Assessing the Discriminatory Power of Biometric Verifiers
(2006, May 1). CSIS Student/Faculty Research Day. .

Keystroke Biometric Recognition on Long-Text Input Under Ideal and Application-Oriented Conditions
(2006, May 1). CSIS Student/Faculty Research Day. .

Keystroke Biometric Recognition on Long-Text Input: A Feasibility Study
(2006, May 1). CSIS Student/Faculty Research Day. .

Shape Matching with Ordered Boundary Points Using a Least-Cost Diagonal Method
(2006, May 1). CSIS Student/Faculty Research Day. .

Security-Related Research and Projects in CSIS at Pace University
(2005, November 1). High Technology Crime Investigation Association Conference - Northeast. .

2005 Conference
(2005, September 1). International Conference on Image Analysis and Recognition - ICIAR 2005. Toronto, Canada,.

On the Individuality of the Iris Biometric
(2005, September 1). International Conference on Image Analysis and Recognition - ICIAR 2005. Toronto, Canada,.

On Binary Similarity Measures for Handwritten Character Recognition
(2005, August 1). The 6th International Conference on Document Analysis and Recognition - ICDAR. Seoul, Korea,.

Writer Profiling Using Handwriting Copybook Styles
(2005, August 1). The 6th International Conference on Document Analysis and Recognition - ICDAR. Seoul, Korea,.

On Binary Similarity Measures for Handwritten Character Recognition
(2005, August 1). The 8th International Conference on Document Analysis and Recognition. .

Writer Profiling Using Handwriting Copybook Styles
(2005, August 1). The 8th International Conference on Document Analysis and Recognition. .

Biometric Identification Generalizability
(2005, July 1). Audio- and Video-based Biometric Person Authentication Conference. .

Common Chatroom Abbreviations Speed Pen Computing
(2005, July 1). The 11th Annual International Conference on Human-Computer Interaction. .

2005 Conference
(2005, July 1). The 9th World Multi-Conference on Systemics, Cybernetics and Informatics. .

Combining Multiple Iris Biometric Verifiers
(2005, July 1). The 9th World Multi-Conference on Systemics, Cybernetics and Informatics. .

Combining Multiple Iris Biometric Verifiers
(2005, July 1). The 9th World Multiconference on Systemics, Cybernetics and Informatics - WMSCI 2005. .

Integrating Heterogeneous Features for Iris Biometric Authentication
(2005, July 1). The 9th World Multiconference on Systemics, Cybernetics and Informatics - WMSCI 2005. .

Nationality Identification from Names Using N-gram Based Cumulative Frequency Addition
(2005, July 1). The 9th World Multiconference on Systemics, Cybernetics and Informatics - WMSCI 2005. .

Analyzing Open Biometric Identification Systems
(2005, June 27). Multiconference in Computer Science and Computer Engineering/Machine Learning; Models, Technologies and Applications (MCSCE/MLMTA). Las Vegas, NV.

Applying Artificial Intelligence Techniques to Problems of Incomplete Information: Optimizing Bidding in the Game of Bridge
(2005, June 27). Multiconference in Computer Science and Computer Engineering/Machine Learning; Models, Technologies and Applications (MCSCE/MLMTA). Las Vegas, NV.

Applying Keystroke Biometrics for User Verification and Identification
(2005, June 27). Multiconference in Computer Science and Computer Engineering/Machine Learning; Models, Technologies and Applications (MCSCE/MLMTA). Las Vegas, NV.

Identification of Pottery Shapes and Schools Using Image Retrieval Techniques
(2005, June 27). Multiconference in Computer Science and Computer Engineering/Machine Learning; Models, Technologies and Applications (MCSCE/MLMTA). Las Vegas, NV.

Similarity-based Copybook Style Analysis Using Pseudo-online Handwriting
(2005, June 1). 12th Annual Conference of the International Graphonomics Society. .

Identification of Pottery Shapes and Schools Using Image Retrieval Techniques
(2005, June 1). Multiconference in Computer Science and Computer Engineering/Conference on Imaging Science, Systems and Technology. .

2005 Conference
(2005, June 1). Multiconference in Computer Science and Computer Engineering/International Conference of Artificial Intelligence. .

Applying Artificial Intelligence Techniques to Problems of Incomplete Information: Optimizing Bidding in the Game of Bridge
(2005, June 1). Multiconference in Computer Science and Computer Engineering/International Conference of Artificial Intelligence. .

A Greek Pottery Shape and School Identification and Classification System Using Image Retrieval Techniques
(2005, May 1). CSIS Student/Faculty Research Day. .

Applying Artificial Intelligence Techniques to Problems of Incomplete Information: Optimizing Bidding in the Game of Bridge
(2005, May 1). CSIS Student/Faculty Research Day. .

Detection of Foreign Entities in Native Text Using N-gram Cumulative Frequency Addition
(2005, May 1). CSIS Student/Faculty Research Day. .

Handwriting Copybook Style Analysis of Pseudo-Online Data
(2005, May 1). CSIS Student/Faculty Research Day. .

Long-Text Keystroke Biometric Applications over the Internet
(2005, May 1). CSIS Student/Faculty Research Day. .

On Evaluating Open Biometric Identification Systems
(2005, May 1). CSIS Student/Faculty Research Day. .

Semantic Geometric Features: A Preliminary Investigation of Automobile Identification
(2005, May 1). CSIS Student/Faculty Research Day. .

Computer Assisted Visual Interactive Recognition (CAVIAR) Technology
(2005, May 1). The 2005 Electro/Information Technology Conference - EIT 2005. .

A Vascular Network Growth Estimation Algorithm Using Random Graphs
(2005, April 11). International Association for Pattern Recognition Technical Committee #15 (IAPR-TC-15) Workshop on Graph-based Representations in Pattern Recognition. Poitiers, France,.

Biometric Authentication: Is it Science?
(2005, April 1). CSAM Seminar in Computer Science - April 2005. Montclair State University,

A Vascular Network Growth Estimation Algorithm Using Random Graphs
(2005, April 1). Proceedings of the International Association for Pattern Recognition Technical Committee #15 (IAPR-TC-15). Workshop on Graph-based Representations in Pattern Recognition

Automated Pottery Fragment Classifier for Archaeological Studies
(2005, March 1). Computer Applications in Archaeology - 2005. .

Computer-assisted Handwriting Style Identification in Questioned Document Examination
(2005, January 1). Electronic Imaging Conference - Image and Video Communications and Processing 2005. .

Lightweight Image Retrieval System for Paintings
(2005, January 1). Electronic Imaging Conference - Image and Video Communications and Processing 2005. .

Computer-assisted Handwriting Style Identification in Questioned Document Examination
(2005, January 1). Investigative Image Processing III - Electronic Imaging 2005. San Jose, CA.

Lightweight Impage Retrieval System for Paintings
(2005, January 1). Investigative Image Processing III - Electronic Imaging 2005. San Jose, CA.

A Neural Network Classifier for Junk E-Mail
(2004, May 1). CSIS Student/Faculty Research Day. .

Ant Colonies, Self-Organizing Maps, and a Hybrid Classification Model
(2004, May 1). CSIS Student/Faculty Research Day. .

Establishing the Uniqueness of the Human Voice for Security Applications
(2004, May 1). CSIS Student/Faculty Research Day. .

Interactive Flag Identification Using a Fuzzy Neural Technique
(2004, May 1). CSIS Student/Faculty Research Day. .

Language Identification from Text Using N-gram Based Cumulative Frequency Addition
(2004, May 1). CSIS Student/Faculty Research Day. .

Use of Chatroom Abbreviations and Shorthand Symbols in Pen Computing
(2004, May 1). CSIS Student/Faculty Research Day. .

Use of Histogram Distances in Iris Authentication
(2004, May 1). CSIS Student/Faculty Research Day. .

(2004, March 1). International Multiconference in Computer Science and Computer Engineering. .

Emerging Computer Applications to Multidisciplinary Security Issues
(2003, December 9). CSIS Student/Faculty Research Day. Pace University

Computer Vision Techniques for Security
(2003, December 1). CSIS Faculty Research Day. Pace University

(2003, November 2). IGS. Scottsdale, AZ.

Artificial Intelligence & Pattern Recognition
(2003, November 1). CIRCUIT Research Seminar. Pace University,

Iconic Reporting System
(2003, May 1). CSIS Research Day. Pace University,

(2003, March 1). Second Westchester-Rockland Junior Science and Humanities Symposium. Purchase, NY.

(2003, February 1). ICDAR. Edinburgh, Scotland.

Use of Distance Measures in Pattern Recognition
(2003, January 1). ECSE. Rensselaer Polytechnic Institute,

(2003, January 1). Electronic Imaging, Storage and Retrieval for Media Databases. Santa Clara, CA.

(2002, December 1). IEEE MSE. Newport Beach, CA.

Biometrics
(2002, October 1). CENPARMI - Centre for Pattern Recognition and Machine Intelligence. Concordia University,

(2002, September 1). ACM Mobile Commerce. Atlanta, GA.

(2002, August 1). Eighth IWFHR. Niagara-on-the-Lake, Canada.

(2002, August 1). Eighth IWFHR. Niagara-on-the-Lake, Canada.

(2002, June 1). KAIST AIPR Lab. Taejon, Korea.

(2002, May 1). CSIS Research Day. Pace University,

(2002, April 1). MASPLAS. White Plains, NY.

(2002, March 1). CAM Research Day. New York, NY.

(2002, March 1). CAM Research Day. .

"Establishing Handwriting Individuality Using Pattern Recognition Techniques," "Apriori Algorithm for Sub-category Classification Analysis of Handwriting," and "Individuality of Handwriting"
(2001, September 1). 6th International Conference on Document Analysis and Recognition. Seattle, WA.

(2001, May 1). CSIS Research Day. .

(2001, February 1). HVCET. .

Professional Contributions and Service

Professional Memberships

  • AAAI (Assoc. for the Advancement of Artificial Intelligence) [Member]
  • IEEE [Member]
  • IEEE, Computer Society [Member]
  • IGS [Member]
  • IS&T [Member]
  • Korean PACS Society [Member]
  • Pattern Recognition Society [Member]
  • SPIE [Member]
  • Korean-American Scientist and Engineer Association [Council member]

Department Service

  • Pace University, Computer Science & Information Systems [Robotics Lab]
  • Pace University, Computer Science & Information Systems [Pervasive Computing Lab]
  • Peer Observation [peer observation ]
  • Assessment Steering Committee [Committee Member]

College Service

  • Machine Intelligence Day 2019 Machine Intelligence Day 2019 [Committee Chair]

Professional Service

Graph Theory Day 70 Proceedings [Editor, Conference Proceedings]