Sung-Hyuk Cha

According to our database, Sung-Hyuk Cha authored at least 64 papers between 1998 and 2025.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of three.

2025

Facial Expression and Pose Recommender System Using Stereotypical Trait Identification.

Jinhwi Lee, Teryn Cha, Sung-Hyuk Cha

Proceedings of the 38th International Florida Artificial Intelligence Research Society Conference, 2025

Kernel Density Based Spatial Clustering of Applications with Noise.

Rohan Kalpavruksha, Roshan Kalpavruksha, Teryn Cha, Sung-Hyuk Cha

Proceedings of the 38th International Florida Artificial Intelligence Research Society Conference, 2025

Kernel Density Estimated Linear Regression.

Roshan Kalpavruksha, Rohan Kalpavruksha, Teryn Cha, Sung-Hyuk Cha

Proceedings of the 38th International Florida Artificial Intelligence Research Society Conference, 2025

2024

Enhancing Image Classification through Exploitation of Hue Cyclicity in Convolutional Neural Networks.

Jiatao Kuang, Teryn Cha, Sung-Hyuk Cha

Proceedings of the Thirty-Seventh International Florida Artificial Intelligence Research Society Conference, 2024

Enhancing Nearest Neighbor Classification Performance through Dynamic Time Warping with Progressive Constraint.

Sung-Hyuk Cha, Teryn Cha, Teja Vuppu

Proceedings of the Thirty-Seventh International Florida Artificial Intelligence Research Society Conference, 2024

2023

k-medianoids Clustering Algorithm.

James Cha, Teryn Cha, Sung-Hyuk Cha

Proceedings of the Thirty-Sixth International Florida Artificial Intelligence Research Society Conference, 2023

2021

Density Based Mode Within Radius and Its Application to EEG based Emotion Recognition.

Parampuneet Thind, Vaibhav Katturu, Teryn Cha, Sung-Hyuk Cha

Proceedings of the Thirty-Fourth International Florida Artificial Intelligence Research Society Conference, 2021

2020

Variance Linear Discriminant Analysis for IRIS Biometrics.

Sung-Hyuk Cha, Teryn Cha

Proceedings of the Thirty-Third International Florida Artificial Intelligence Research Society Conference, 2020

2019

Feature Extraction based on High Order Statistics measures and Entropy for EEG biometrics.

Sukun Li, Sung-Hyuk Cha

Proceedings of the 7th International Workshop on Biometrics and Forensics, 2019

2018

Biometric Distinctiveness of Brain Signals Based on EEG.

Sukun Li, Sung-Hyuk Cha, Charles C. Tappert

Proceedings of the 9th IEEE International Conference on Biometrics Theory, 2018

2017

On ROC Curve Analysis of Artificial Neural Network Classifiers.

Chulwoo Kim, Sung-Hyuk Cha, Yoo Jung An, Ned Wilson

Proceedings of the Thirtieth International Florida Artificial Intelligence Research Society Conference, 2017

2016

Minimising branch crossings in phylogenetic trees.

Sung-Hyuk Cha, Yoo Jung An

Int. J. Appl. Pattern Recognit., 2016

2014

A correlation method for handling infrequent data in keystroke biometric systems.

Steve Kim, Sung-Hyuk Cha, John V. Monaco, Charles C. Tappert

Proceedings of the 2nd International Workshop on Biometrics and Forensics, 2014

2013

Recent Advances in the Development of a Long-Text-Input Keystroke Biometric Authentication System for Arbitrary Text Input.

John V. Monaco, Ned Bakelman, Sung-Hyuk Cha, Charles C. Tappert

Proceedings of the 2013 European Intelligence and Security Informatics Conference, 2013

Keystroke Biometric Studies on Password and Numeric Keypad Input.

Ned Bakelman, John V. Monaco, Sung-Hyuk Cha, Charles C. Tappert

Proceedings of the 2013 European Intelligence and Security Informatics Conference, 2013

Behavioral biometric verification of student identity in online course assessment and authentication of authors in literary works.

John V. Monaco, John C. Stewart, Sung-Hyuk Cha, Charles C. Tappert

Proceedings of the IEEE Sixth International Conference on Biometrics: Theory, 2013

2012

Developing a Keystroke Biometric System for Continual Authentication of Computer Users.

John V. Monaco, Ned Bakelman, Sung-Hyuk Cha, Charles C. Tappert

Proceedings of the 2012 European Intelligence and Security Informatics Conference, 2012

2011

An investigation of keystroke and stylometry traits for authenticating online test takers.

John C. Stewart, John V. Monaco, Sung-Hyuk Cha, Charles C. Tappert

Proceedings of the 2011 IEEE International Joint Conference on Biometrics, 2011

2010

A Keystroke Biometric Systemfor Long-Text Input.

Charles C. Tappert, Sung-Hyuk Cha, Mary Villani, Robert S. Zack

Int. J. Inf. Secur. Priv., 2010

Performance of a long-text-input keystroke biometric authentication system using an improved k-nearest-neighbor classification method.

Robert S. Zack, Charles C. Tappert, Sung-Hyuk Cha

Proceedings of the Fourth IEEE International Conference on Biometrics: Theory Applications and Systems, 2010

2008

Distance between Histograms with Shuffled Cost Matrix.

Sung-Hyuk Cha

Proceedings of the Structural, 2008

Fast Multivariate Ordinal Type Histogram Matching.

Sung-Hyuk Cha

Proceedings of the Structural, 2008

Constructing Binary Decision Trees using Genetic Algorithms.

Sung-Hyuk Cha, Charles C. Tappert

Proceedings of the 2008 International Conference on Genetic and Evolutionary Methods, 2008

2006

Multifocus Image Sequences for Iris Recognition.

Byungjun Son, Sung-Hyuk Cha, Yillbyung Lee

Proceedings of the Advances in Image and Video Technology, First Pacific Rim Symposium, 2006

Keystroke Biometric Recognition Studies on Long-Text Input under Ideal and Application-Oriented Conditions.

Mary Villani, Charles C. Tappert, Giang Ngo, Justin Simone, Huguens S. Fort, Sung-Hyuk Cha

Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition, 2006

2005

A lightweight image retrieval system for paintings.

Thomas E. Lombardi, Sung-Hyuk Cha, Charles C. Tappert

Proceedings of the Storage and Retrieval Methods and Applications for Multimedia 2005, 2005

Analyzing Open Biometric Identification Systems.

Michael Gibbons, Sungsoo Yoon, Sung-Hyuk Cha, Charles C. Tappert

Proceedings of The 2005 International Conference on Machine Learning, 2005

Long-Text Keystroke Biometric Applications over the Internet.

Gary Bartolacci, Mary Curtin, Marc Katzenberg, Ngozi Nwana, Sung-Hyuk Cha, Charles C. Tappert

Proceedings of The 2005 International Conference on Machine Learning, 2005

On the Individuality of the Iris Biometric.

Sungsoo Yoon, Seung-Seok Choi, Sung-Hyuk Cha, Yillbyung Lee, Charles C. Tappert

Proceedings of the Image Analysis and Recognition, Second International Conference, 2005

Writer Profiling Using Handwriting Copybook Styles.

Sungsoo Yoon, Seung-Seok Choi, Sung-Hyuk Cha, Charles C. Tappert

Proceedings of the Eighth International Conference on Document Analysis and Recognition (ICDAR 2005), 29 August, 2005

On Binary Similarity Measures for Handwritten Character Recognition.

Sung-Hyuk Cha, Sungsoo Yoon, Charles C. Tappert

Proceedings of the Eighth International Conference on Document Analysis and Recognition (ICDAR 2005), 29 August, 2005

Applying Artificial Intelligence Techniques to Problems of Incomplete Information: Optimizing Bidding in the Game of Bridge.

John Galatti, Sung-Hyuk Cha, Michael L. Gargano, Charles C. Tappert

Proceedings of the 2005 International Conference on Artificial Intelligence, 2005

A Vascular Network Growth Estimation Algorithm Using Random Graphs.

Sung-Hyuk Cha, Michael L. Gargano, Louis V. Quintas, Eric M. Wahl

Proceedings of the Graph-Based Representations in Pattern Recognition, 2005

Computer-assisted handwriting style identification system for questioned document examination.

Sung-Hyuk Cha, Sungsoo Yoon, Charles C. Tappert, Yillbyung Lee

Proceedings of the Electronic Imaging: Image and Video Communications and Processing 2005, 2005

Identification of Pottery Shape and School Using Image Retrieval Techniques.

Gulsebnem Bishop, Sung-Hyuk Cha, Charles C. Tappert

Proceedings of The 2005 International Conference on Imaging Science, 2005

Evaluation of Biometric Identification in Open Systems.

Michael Gibbons, Sungsoo Yoon, Sung-Hyuk Cha, Charles C. Tappert

Proceedings of the Audio- and Video-Based Biometric Person Authentication, 2005

2004

Automatic Detection Of Handwriting Forgery Using A Fractal Number Estimate Of Wrinkliness.

Sung-Hyuk Cha, Charles C. Tappert, Michael Gibbons, Yi-Min Chee

Int. J. Pattern Recognit. Artif. Intell., 2004

A graphical user interface for a fine-art painting image retrieval system.

Thomas E. Lombardi, Sung-Hyuk Cha, Charles C. Tappert

Proceedings of the 6th ACM SIGMM International Workshop on Multimedia Information Retrieval, 2004

Use of chatroom abbreviations and shorthand symbols in pen computing.

William B. Huber, Sung-Hyuk Cha, Charles C. Tappert, Vicki L. Hanson

Proceedings of the Ninth International Workshop on Frontiers in Handwriting Recognition, 2004

Use of Histogram Distances in Iris Authentication.

Seung-Seok Choi, Sungsoo Yoon, Sung-Hyuk Cha, Charles C. Tappert

Proceedings of the International Conference on Artificial Intelligence, 2004

A Neural Network Classifier for Junk E-Mail.

Ian Stuart, Sung-Hyuk Cha, Charles C. Tappert

Proceedings of the Document Analysis Systems VI, 6th International Workshop, 2004

Interactive Flag Identification Using Image Retrieval Techniques.

Eduardo Hart, Sung-Hyuk Cha, Charles C. Tappert

Proceedings of the International Conference on Imaging Science, Systems and Technology, 2004

2003

Efficient color image retrieval using hue distribution similarity.

Sung-Hyuk Cha

Proceedings of the Storage and Retrieval for Media Databases 2003, 2003

Optimizing Binary Feature Vector Similarity Measure using Genetic Algorithm and Handwritten Character Recognition.

Sung-Hyuk Cha, Charles C. Tappert, Sargur N. Srihari

Proceedings of the 7th International Conference on Document Analysis and Recognition (ICDAR 2003), 2003

2002

On measuring the distance between histograms.

Sung-Hyuk Cha, Sargur N. Srihari

Pattern Recognit., 2002

A fast nearest neighbor search algorithm by filtration.

Sung-Hyuk Cha, Sargur N. Srihari

Pattern Recognit., 2002

A voice and ink XML multimodal architecture for mobile e-commerce systems.

Zouheir Trabelsi, Sung-Hyuk Cha, Darshan Desai, Charles C. Tappert

Proceedings of the 2nd International Workshop on Mobile Commerce, 2002

Multimodal Integration of Voice and Ink for Pervasive Computing.

Zouheir Trabelsi, Sung-Hyuk Cha, Darshan Desai, Charles C. Tappert

Proceedings of the 4th International Symposium on Multimedia Software Engineering, 2002

Automatic detection of handwriting forgery.

Sung-Hyuk Cha, Charles C. Tappert

Proceedings of the Eighth International Workshop on Frontiers in Handwriting Recognition, 2002

Discriminatory power of handwriting.

Sargur N. Srihari, Sung-Hyuk Cha, Sangjik Lee

Proceedings of the Document Recognition and Retrieval IX, 2002

Combining macro and micro features for writer identification.

Sangjik Lee, Sung-Hyuk Cha, Sargur N. Srihari

Proceedings of the Document Recognition and Retrieval IX, 2002

2001

Establishing Handwriting Individuality Using Pattern Recognition Techniques.

Sargur N. Srihari, Sung-Hyuk Cha, Sangjik Lee

Proceedings of the 6th International Conference on Document Analysis and Recognition (ICDAR 2001), 2001

Individuality of Handwriting: A Validation Study.

Sargur N. Srihari, Sung-Hyuk Cha, Hina Arora, Sangjik Lee

Proceedings of the 6th International Conference on Document Analysis and Recognition (ICDAR 2001), 2001

Apriori Algorithm for Sub-category Classification Analysis of Handwriting.

Sung-Hyuk Cha, Sargur N. Srihari

Proceedings of the 6th International Conference on Document Analysis and Recognition (ICDAR 2001), 2001

Handwritten document image database construction and retrieval system.

Sung-Hyuk Cha, Sargur N. Srihari

Proceedings of the Document Recognition and Retrieval VIII, 2001

2000

Efficient Algorithms for Image Template and Dictionary Matching.

Sung-Hyuk Cha

J. Math. Imaging Vis., 2000

Assessing the authorship confidence of handwritten items.

Sung-Hyuk Cha, Sargur N. Srihari

Proceedings of the Proceedings Fifth IEEE Workshop on Applications of Computer Vision, 2000

Writer Identification: Statistical Analysis and Dichotomizer.

Sung-Hyuk Cha, Sargur N. Srihari

Proceedings of the Advances in Pattern Recognition, Joint IAPR International Workshops SSPR 2000 and SPR 2000, [8th International Workshop on Structural and Syntactic Pattern Recognition, 3rd International Workshop on Statistical Techniques in Pattern Recognition], Alicante, Spain, August 30, 2000

Distance between Histograms of Angular Measurements and its Application to Handwritten Character Similarity.

Sung-Hyuk Cha, Sargur N. Srihari

Proceedings of the 15th International Conference on Pattern Recognition, 2000

Approximate string matching for stroke direction and pressure sequences.

Sung-Hyuk Cha, Yong-Chul Shin, Sargur N. Srihari

Proceedings of the Document Recognition and Retrieval VII, 2000

Nearest Neighbor Search Using Additive Binary Tree.

Sung-Hyuk Cha, Sargur N. Srihari

Proceedings of the 2000 Conference on Computer Vision and Pattern Recognition (CVPR 2000), 2000

System that Identifies Writers.

Sung-Hyuk Cha, Sargur N. Srihari

Proceedings of the Seventeenth National Conference on Artificial Intelligence and Twelfth Conference on on Innovative Applications of Artificial Intelligence, July 30, 2000

1999

Approximate Stroke Sequence String Matching Algorithm for Character Recognition and Analysis.

Sung-Hyuk Cha, Yong-Chul Shin, Sargur N. Srihari

Proceedings of the Fifth International Conference on Document Analysis and Recognition, 1999

1998

Fast Image Template and Dictionary Matching Algorithms.

Sung-Hyuk Cha

Proceedings of the Computer Vision, 1998