A time-frequency approach for auditory display of time-varying signals. - Sridhar Krishnan 001; Rangaraj M. Rangayyan; Karthikeyan Umapathy (SIP, 2001)

Discrimination of pathological voices using an adaptive time-frequency approach. - Karthikeyan Umapathy; Sridhar Krishnan 001; Vijay Parsa; Donald G. Jamieson (ICASSP, 2002)

Audio signal classification using time-frequency parameters. - Karthikeyan Umapathy; Sridhar Krishnan 001; Shihab Jimaa (ICME (2), 2002)

Development of a Framework for Web-Based Product Platform Customization. - Timothy W. Simpson; Karthikeyan Umapathy; Jyotirmaya Nanda; Sachin Halbe; Barry Hodge (J. Comput. Inf. Sci. Eng., 2003)

An Agent-Based Approach for Interleaved Composition and Execution of Web Services. - Xiaocong Fan; Karthikeyan Umapathy; John Yen; Sandeep Purao (ER, 2004)

Modified local discriminant bases and its applications in signal classification [biomedical signal examples]. - Karthikeyan Umapathy; Sridhar Krishnan 001 (ICASSP (2), 2004)

Team-based Agents for Proactive Failure Handling in Dynamic Composition of Web Services. - Xiaocong Fan; Karthikeyan Umapathy; John Yen; Sandeep Purao (ICWS, 2004)

A signal classification approach using time-width vs frequency band sub-energy distributions. - Karthikeyan Umapathy; Sridhar Krishnan 001 (ICASSP (5), 2005)

Feature analysis of pathological speech signals using local discriminant bases technique. - Karthikeyan Umapathy; Sridhar Krishnan 001 (Medical Biol. Eng. Comput., 2005)

Discrimination of pathological voices using a time-frequency approach. - Karthikeyan Umapathy; Sridhar Krishnan 001; Vijay Parsa; Donald G. Jamieson (IEEE Trans. Biomed. Eng., 2005)

Multigroup classification of audio signals using time-frequency parameters. - Karthikeyan Umapathy; Sridhar Krishnan 001; Shihab Jimaa (IEEE Trans. Multim., 2005)

Designing Enterprise Solutions with Web Services and Integration Patterns. - Karthikeyan Umapathy; Sandeep Purao (IEEE SCC, 2006)

Designing Under the Influence of Speech Acts: A Strategy for Composing Enterprise Integration Solutions. - Karthikeyan Umapathy; Sandeep Purao (ER, 2006)

Modified local discriminant bases algorithm and its application in analysis of human knee joint vibration signals. - Karthikeyan Umapathy; Sridhar Krishnan 001 (IEEE Trans. Biomed. Eng., 2006)

A Study of Language-Action Perspective as a Theoretical Framework for Web Services. - Karthikeyan Umapathy (IEEE SCW, 2007)

Towards A Theoretical Foundation for Web Services - The Language-Action Perspective (LAP) Approach. - Karthikeyan Umapathy; Sandeep Purao (IEEE SCC, 2007)

Exploring Alternatives for Representing and Accessing Design Knowledge About Enterprise Integration. - Karthikeyan Umapathy; Sandeep Purao (ER, 2007)

Towards Co-Design of Business Processes and Information Systems Using Web Services. - Karthikeyan Umapathy (HICSS, 2007)

Perceptual Coding of Audio Signals Using Adaptive Time-Frequency Transform. - Karthikeyan Umapathy; Sridhar Krishnan 001 (EURASIP J. Audio Speech Music. Process., 2007)

A theoretical investigation of the emerging standards for web services. - Karthikeyan Umapathy; Sandeep Purao (Inf. Syst. Frontiers, 2007)

Audio Signal Feature Extraction and Classification Using Local Discriminant Bases. - Karthikeyan Umapathy; Sridhar Krishnan 001; R. K. Rao (IEEE Trans. Speech Audio Process., 2007)

Time-Width Versus Frequency Band Mapping of Energy Distributions. - Karthikeyan Umapathy; Sridhar Krishnan 001 (IEEE Trans. Signal Process., 2007)

Representing and Accessing Design Knowledge for Service Integration. - Karthikeyan Umapathy; Sandeep Purao (IEEE SCC (1), 2008)

The Data Interoperability Problem as an Exemplary Case Study in the Development of Software Collaboration Environments. - Arturo J. Sánchez-Ruíz; Karthikeyan Umapathy; Jonathan Beckham; Patrick Welsh (CollaborateCom, 2008)

Standardizing Web Services: Overcoming 'Design by Committee'. - Sandeep Purao; John W. Bagby; Karthikeyan Umapathy (SERVICES I, 2008)

Designing enterprise integration solutions: effectively. - Karthikeyan Umapathy; Sandeep Purao; Russell R. Barton (Eur. J. Inf. Syst., 2008)

From Service Conversation Models to WS-CDL. - Karthikeyan Umapathy (AMCIS, 2009)

Analyzing Processes behind Web Service Standards Development. - Karthikeyan Umapathy; Sandeep Purao; John W. Bagby (WEB, 2009)

Toward Generic, Immersive, and Collaborative Solutions to the Data Interoperability Problem which Target End-Users. - Arturo J. Sánchez-Ruíz; Karthikeyan Umapathy; Patrick J. Hayes (J. Comput. Sci. Eng., 2009)

Spatiotemporal Frequency Analysis of Ventricular Fibrillation in Explanted Human Hearts. - Karthikeyan Umapathy; Stéphane Massé; Elias Sevaptsidis; John Asta; Sridhar Krishnan 001; Kumaraswamy Nanthakumar (IEEE Trans. Biomed. Eng., 2009)

Systems Integration and Web Services. - Karthikeyan Umapathy; Sandeep Purao (Computer, 2010)

Audio Signal Processing Using Time-Frequency Approaches: Coding, Classification, Fingerprinting, and Watermarking. - Karthikeyan Umapathy; Behnaz Ghoraani; Sridhar Krishnan 001 (EURASIP J. Adv. Signal Process., 2010)

Analyzing Web Service Choreography Specifications Using Colored Petri Nets. - Enrique Caliz; Karthikeyan Umapathy; Arturo J. Sánchez-Ruíz; Sherif A. Elfayoumy (DESRIST, 2011)

Predicting refibrillation from pre-shock waveforms in optimizing cardiac resuscitation. - E. Afatmirni; Kumaraswamy Nanthakumar; Stéphane Massé; Krishnakumar Nair; Talha Farid; Sridhar Krishnan 001; Paul Dorian; Karthikeyan Umapathy (EMBC, 2011)

Wavelet-based features for characterizing ventricular arrhythmias in optimizing treatment options. - Krishnanand Balasundaram; Stéphane Massé; Krishnakumar Nair; Talha Farid; Kumaraswamy Nanthakumar; Karthikeyan Umapathy (EMBC, 2011)

Relating spatial heterogeneities to rotor formation in studying human ventricular fibrillation. - J. Jeyaratnam; Karthikeyan Umapathy; Stéphane Massé; Krishnakumar Nair; Talha Farid; Sridhar Krishnan 001; Kumaraswamy Nanthakumar (EMBC, 2011)

Discriminative time-frequency kernels for gait analysis for amyotrophic lateral sclerosis. - Lakshmi Sugavaneswaran; Karthikeyan Umapathy; Sridhar Krishnan 001 (EMBC, 2011)

Role of professional associations in preparing, recruiting, and retaining computing professionals. - Karthikeyan Umapathy; Albert D. Ritzhaupt (CPR, 2011)

A Study on Services Motivating Computing Professional Association Membership. - Albert D. Ritzhaupt; Karthikeyan Umapathy; Lisa Jamba (Int. J. Hum. Cap. Inf. Technol. Prof., 2012)

Empirical analysis of anticipatory standardization processes: a case study. - Karthikeyan Umapathy; Sandeep Purao; John W. Bagby (Inf. Syst. E Bus. Manag., 2012)

Time-Frequency Analysis via Ramanujan Sums. - Lakshmi Sugavaneswaran; Shengkun Xie; Karthikeyan Umapathy; Sridhar Krishnan 001 (IEEE Signal Process. Lett., 2012)

Digging into human rights violations: Data modelling and collective memory. - Ben Miller; Ayush Shrestha; Jason Derby; Jennifer Olive; Karthikeyan Umapathy; Fuxin Li; Yanjun Zhao (IEEE BigData, 2013)

Digging into Human Rights Violations: phrase mining and trigram visualization. - Ben Miller; Fuxin Li; Ayush Shrestha; Karthikeyan Umapathy (DH, 2013)

Automated signal pattern detection in ECG during human ventricular arrhythmias. - Krishnanand Balasundaram; Stéphane Massé; Krishnakumar Nair; Karthikeyan Umapathy (EMBC, 2013)

Analysis of reliability metrics and quality enhancement measures in current density imaging. - Farbod Hosseyndoust Foomany; Mohammad T. H. Beheshti; Karl Magtibay; Stéphane Massé; W. Foltz; Elias Sevaptsidis; Patrick F. Lai; David A. Jaffray; Sridhar Krishnan 001; Kumaraswamy Nanthakumar; Karthikeyan Umapathy (EMBC, 2013)

Blind source separation in characterizing ECG pre-shock waveforms during ventricular fibrillation. - M. Rasooli; Farbod Hosseyndoust Foomany; Krishnanand Balasundaram; Stéphane Massé; Nima Zamiri; Andrew Ramadeen; X. Hu; Paul Dorian; Kumaraswamy Nanthakumar; Soosan Beheshti; Karthikeyan Umapathy (EMBC, 2013)

Classification of music instruments using wavelet-based time-scale features. - Farbod Hosseyndoust Foomany; Karthikeyan Umapathy (ICME Workshops, 2013)

A classification scheme for ventricular arrhythmias using wavelets analysis. - Krishnanand Balasundaram; Stéphane Massé; Krishnakumar Nair; Karthikeyan Umapathy (Medical Biol. Eng. Comput., 2013)

Discriminative kernel learning in ambiguity domain. - Lakshmi Sugavaneswaran; Mohammadreza Balouchestani; Karthikeyan Umapathy; Sridhar Krishnan 001 (CSNDSP, 2014)

The effects of long chain polyunsaturated fatty acids on local activation properties in dogs vulnerable to atrial fibrillation. - Raghad Abdulmajeed; Andrew Ramadeen; Stéphane Massé; Farbod Hosseyndoust Foomany; Krishnanand Balasundaram; Xudong Hu; Kumaraswamy Nanthakumar; Paul Dorian; Karthikeyan Umapathy (EMBC, 2014)

A novel approach to quantification of real and artifactual components of current density imaging for phantom and live heart. - Farbod Hosseyndoust Foomany; Mohammad T. H. Beheshti; Karl Magtibay; Stéphane Massé; Patrick F. Lai; John Asta; Nima Zamiri; David A. Jaffray; Sridhar Krishnan 001; Kumaraswamy Nanthakumar; Karthikeyan Umapathy (EMBC, 2014)

Fusion of structural and functional cardiac magnetic resonance imaging data for studying Ventricular Fibrillation. - Karl Magtibay; Mohammad T. H. Beheshti; Farbod Hosseyndoust Foomany; Krishnanand Balasundaram; Stéphane Massé; Patrick F. Lai; John Asta; Nima Zamiri; David A. Jaffray; Kumaraswamy Nanthakumar; Sridhar Krishnan 001; Karthikeyan Umapathy (EMBC, 2014)

Discriminative sparse coding of ECG during ventricular arrhythmias using LC-K-SVD approach. - Iman Kalaji; Krishnanand Balasundaram; Karthikeyan Umapathy (EMBC, 2015)

Investigating IT Standardization Process Through the Lens of Theory of Communicative Action. - Karthikeyan Umapathy; Sandeep Purao; John W. Bagby (WEB, 2015)

Analysis of electrocardiogram pre-shock waveforms during ventricular fibrillation. - M. Rasooli; Farbod Hosseyndoust Foomany; Krishnanand Balasundaram; Stéphane Massé; Nima Zamiri; Andrew Ramadeen; X. Hu; Paul Dorian; Kumaraswamy Nanthakumar; Sridhar Krishnan 001; Soosan Beheshti; Karthikeyan Umapathy (Biomed. Signal Process. Control., 2015)

A Research Plan to Study Impact of a Collaborative Web Search Tool on Novice's Query Behavior. - Mareh Al-Sammarraie; Karthikeyan Umapathy (CTS, 2016)

Detection of myasthenia gravis using electrooculography signals. - Timothy Liang; Mark I. Boulos; Brian J. Murray; Sridhar Krishnan 001; Hans Katzberg; Karthikeyan Umapathy (EMBC, 2016)

Feature-based MRI data fusion for cardiac arrhythmia studies. - Karl Magtibay; Mohammadali Beheshti; Farbod Hosseyndoust Foomany; Stéphane Massé; Patrick F. H. Lai; Nima Zamiri; John Asta; Kumaraswamy Nanthakumar; David A. Jaffray; Sridhar Krishnan 001; Karthikeyan Umapathy (Comput. Biol. Medicine, 2016)

Morphologically constrained signal subspace characterization of electrograms during ventricular fibrillation. - Krishnanand Balasundaram; Stéphane Massé; Talha Farid; Krishnakumar Nair; John Asta; Robert J. Cusimano; Edward J. Vigmond; Kumaraswamy Nanthakumar; Karthikeyan Umapathy (Biomed. Signal Process. Control., 2017)

A Meta-Analysis of Pair-Programming in Computer Programming Courses: Implications for Educational Practice. - Karthikeyan Umapathy; Albert D. Ritzhaupt (ACM Trans. Comput. Educ., 2017)

Instantaneous Time-Frequency Features in Characterizing Ventricular Arrhythmias Using Empirical Mode Decomposition. - Matthew Hotradat; Krishnanand Balasundaram; Stéphane Massé; Krishnakumar Nair; Kumaraswamy Nanthakumar; Karthikeyan Umapathy (ACSSC, 2018)

Exploring Relationships Between e-Tailing Website Quality and Purchase Intention. - Hibah Khalil; Karthikeyan Umapathy; Lakshmi C. Goel; Sandeep Reddivari (HCI (23), 2019)

Empirical mode decomposition based ECG features in classifying and tracking ventricular arrhythmias. - Matthew Hotradat; Krishnanand Balasundaram; Stéphane Massé; Krishnakumar Nair; Kumaraswamy Nanthakumar; Karthikeyan Umapathy (Comput. Biol. Medicine, 2019)

Block-based versus text-based programming environments on novice student learning outcomes: a meta-analysis study. - Zhen Xu; Albert D. Ritzhaupt; Fengchun Tian; Karthikeyan Umapathy (Comput. Sci. Educ., 2019)

Screening and analysis of specific language impairment in young children by analyzing the textures of speech signal. - Garima Sharma; Deepak Prasad; Karthikeyan Umapathy; Sridhar Krishnan 001 (EMBC, 2020)

Clustering Partial Lexicographic Preference Trees. - Joseph Allen; Xudong Liu; Karthikeyan Umapathy; Sandeep Reddivari (FLAIRS, 2020)

Clustering Partial Lexicographic Preference Trees (Student Abstract). - Joseph Allen; Xudong Liu; Karthikeyan Umapathy; Sandeep Reddivari (AAAI, 2021)

Empirical Mode Decomposition Based Hyperspectral Data Analysis for Brain Tumor Classification. - Nauman Baig; Himar Fabelo; Samuel Ortega; Gustavo M. Callicó; Javad Alirezaie; Karthikeyan Umapathy (EMBC, 2021)

Effect of Shock Vector Orientation in Modulating and Terminating Rotors - a Simulation Study. - Nikhil Valsan Kulangareth; Karthikeyan Umapathy (EMBC, 2021)

Vegetation Coverage in Marsh Grass Photography Using Convolutional Neural Networks. - Lucas Welch; Xudong Liu 003; Indika Kahanda; Sandeep Reddivari; Karthikeyan Umapathy (FLAIRS, 2021)

Audio texture and age-wise analysis of disordered speech in children having specific language impairment. - Garima Sharma; Xiao-Ping Zhang 002; Karthikeyan Umapathy; Sridhar Krishnan 001 (Biomed. Signal Process. Control., 2021)

Exploring college students' conceptions of learning computer science: a draw-a-picture technique study. - Zhen Xu; Albert D. Ritzhaupt; Karthikeyan Umapathy; Yang Ning; Chin-Chung Tsai (Comput. Sci. Educ., 2021)

Enhancement of Physiological Stress Classification using Psychometric Features. - Karl Magtibay; Xavier Fernando 001; Karthikeyan Umapathy (HEALTHINF, 2022)

Building Framework and Infrastructure to Assist a Minority Serving Institution (MSI) in Cybersecurity Program Development. - Swapnoneel Roy; O. Patrick Kreidl; Karthikeyan Umapathy; Zornitza Genova Prodanoff; Iman Vakilinia (CSCI, 2022)

Multi-Level Classification of Lung Pathologies in Neonates using Recurrence Features. - Sagarjit Aujla; Adel Mohamed; Naimul Khan 001; Karthikeyan Umapathy (EMBC, 2022)

Audio texture analysis of COVID-19 cough, breath, and speech sounds. - Garima Sharma; Karthikeyan Umapathy; Sri Krishnan (Biomed. Signal Process. Control., 2022)

An In-Silico model for evaluating the directional shock vectors in terminating and modulating rotors. - Nikhil Valsan Kulangareth; Karl Magtibay; Stéphane Massé; Krishnakumar Nair; Paul Dorian; Kumaraswamy Nanthakumar; Karthikeyan Umapathy (Comput. Biol. Medicine, 2022)

Finding Insights in Florida Voter Participation. - Joyner Johnson; Adhithyan Rangarajan; Thomas Hunt; Payal Agarwal; Mahmoud Elbatouty; Karthikeyan Umapathy; Dan Richard; Leah Nash (ACR, 2023)

Poster: BioFactCheck: Exploring the Feasibility of Explainable Automated Inconsistency Detection in Biomedical and Health Literature. - Prajwol Lamichhane; Indika Kahanda; Xudong Liu 003; Karthikeyan Umapathy; Sandeep Reddivari; Catherine Christie; Andrea Arikawa; Jenifer Ross (CHASE, 2023)

Granger Causality Pattern Learning Equipped with Noise Invalidation Soft Thresholding. - Khashayar Bayati; Karthikeyan Umapathy; Soosan Beheshti (EUSIPCO, 2023)

Electrooculogram Signal Analysis in Quantifying Sleep Apnea. - Tien Loc Le; Karl Magtibay; Hans Katzberg; Mark I. Boulos; Karthikeyan Umapathy (IEEECONF, 2024)

Electrophysiological Changes in Simulated Atrial Sheets Due to Sympathetic Hyperactivity. - Karl Magtibay; Yusuf Abderrahman; Stéphane Massé; Kumaraswamy Nanthakumar; Karthikeyan Umapathy (EMBC, 2024)

Enhancement of Neonatal Lung Pathology Classification Using Multi-view Feature Representation. - Ryan Tan; Thanh Hong-Phuoc; Lei Gao 001; Randy Tan; Sagarjit Aujla; Adel Mohamed; Ling Guan; Karthikeyan Umapathy; Naimul Mefraz Khan (MIPR, 2024)

Effects of spatially dense adrenergic stimulation to rotor behaviour in simulated atrial sheets. - Karl Magtibay; Stéphane Massé; Kumaraswamy Nanthakumar; Karthikeyan Umapathy (Comput. Biol. Medicine, 2024)

A Review of Tools and Methods for Detection, Analysis, and Prediction of Allostatic Load Due to Workplace Stress. - Karl Magtibay; Karthikeyan Umapathy (IEEE Trans. Affect. Comput., 2024)

Time-Frequency Scattergrams for Biomedical Audio Signal Representation and Classification. - Garima Sharma; Karthikeyan Umapathy; Sridhar Krishnan 001 (IEEE ACM Trans. Audio Speech Lang. Process., 2024)

Creating an Instrument to Measure Undergraduate Computer Science Students' Self-Efficacy in Object-Oriented Programming (OOP): Preliminary Validity and Reliability Evidence. - Priyadharshini Ganapathy Prasad; Karthikeyan Umapathy; Albert D. Ritzhaupt; Amanpreet Kapoor (ICER (1), 2025)

Reliable truncation parameter selection and model order estimation for stochastic subspace identification. - Khashayar Bayati; Karthikeyan Umapathy; Soosan Beheshti (J. Frankl. Inst., 2025)