Karthikeyan Umapathy

90 papers A* 1A 4B 1C 1Misc 4Journal 33Unranked 46

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	DVAE: A Dynamic Variational Autoencoder for Structured Causal Discovery with Application in Biomedical Time Series. Knowl. Based Syst. Khashayar Bayati, Soosan Beheshti, Karthikeyan Umapathy
2025	—	`conf`	Creating an Instrument to Measure Undergraduate Computer Science Students' Self-Efficacy in Object-Oriented Programming (OOP): Preliminary Validity and Reliability Evidence. ICER (1) Priyadharshini Ganapathy Prasad, Karthikeyan Umapathy, Albert D. Ritzhaupt, Amanpreet Kapoor
2025	J	`jnl`	Reliable truncation parameter selection and model order estimation for stochastic subspace identification. J. Frankl. Inst. Khashayar Bayati, Karthikeyan Umapathy, Soosan Beheshti
2024	J	`jnl`	A Review of Tools and Methods for Detection, Analysis, and Prediction of Allostatic Load Due to Workplace Stress. IEEE Trans. Affect. Comput. Karl Magtibay, Karthikeyan Umapathy
2024	J	`jnl`	Effects of spatially dense adrenergic stimulation to rotor behaviour in simulated atrial sheets. Comput. Biol. Medicine Karl Magtibay, Stéphane Massé, Kumaraswamy Nanthakumar, Karthikeyan Umapathy
2024	—	`conf`	Electrooculogram Signal Analysis in Quantifying Sleep Apnea. IEEECONF Tien Loc Le, Karl Magtibay, Hans Katzberg, Mark I. Boulos, Karthikeyan Umapathy
2024	—	`conf`	Electrophysiological Changes in Simulated Atrial Sheets Due to Sympathetic Hyperactivity. EMBC Karl Magtibay, Yusuf Abderrahman, Stéphane Massé, Kumaraswamy Nanthakumar, Karthikeyan Umapathy
2024	—	`conf`	Enhancement of Neonatal Lung Pathology Classification Using Multi-view Feature Representation. MIPR Ryan Tan, Thanh Hong-Phuoc, Lei Gao, Randy Tan, Sagarjit Aujla, Adel Mohamed, Ling Guan, Karthikeyan Umapathy, Naimul Mefraz Khan
2024	J	`jnl`	Time-Frequency Scattergrams for Biomedical Audio Signal Representation and Classification. IEEE ACM Trans. Audio Speech Lang. Process. Garima Sharma, Karthikeyan Umapathy, Sridhar Krishnan
2023	—	`conf`	Finding Insights in Florida Voter Participation. ACR Joyner Johnson, Adhithyan Rangarajan, Thomas Hunt, Payal Agarwal, Mahmoud Elbatouty, Karthikeyan Umapathy, Dan Richard, Leah Nash
2023	—	`conf`	Granger Causality Pattern Learning Equipped with Noise Invalidation Soft Thresholding. EUSIPCO Khashayar Bayati, Karthikeyan Umapathy, Soosan Beheshti
2023	B	`conf`	Poster: BioFactCheck: Exploring the Feasibility of Explainable Automated Inconsistency Detection in Biomedical and Health Literature. CHASE Prajwol Lamichhane, Indika Kahanda, Xudong Liu, Karthikeyan Umapathy, Sandeep Reddivari, Catherine Christie, Andrea Arikawa, Jenifer Ross
2022	J	`jnl`	An In-Silico model for evaluating the directional shock vectors in terminating and modulating rotors. Comput. Biol. Medicine Nikhil Valsan Kulangareth, Karl Magtibay, Stéphane Massé, Krishnakumar Nair, Paul Dorian, Kumaraswamy Nanthakumar, Karthikeyan Umapathy
2022	J	`jnl`	Audio texture analysis of COVID-19 cough, breath, and speech sounds. Biomed. Signal Process. Control. Garima Sharma, Karthikeyan Umapathy, Sri Krishnan
2022	—	`conf`	Building Framework and Infrastructure to Assist a Minority Serving Institution (MSI) in Cybersecurity Program Development. CSCI Swapnoneel Roy, O. Patrick Kreidl, Karthikeyan Umapathy, Zornitza Genova Prodanoff, Iman Vakilinia
2022	—	`conf`	Enhancement of Physiological Stress Classification using Psychometric Features. HEALTHINF Karl Magtibay, Xavier Fernando, Karthikeyan Umapathy
2022	—	`conf`	Multi-Level Classification of Lung Pathologies in Neonates using Recurrence Features. EMBC Sagarjit Aujla, Adel Mohamed, Naimul Khan, Karthikeyan Umapathy
2021	J	`jnl`	Audio texture and age-wise analysis of disordered speech in children having specific language impairment. Biomed. Signal Process. Control. Garima Sharma, Xiao-Ping Zhang, Karthikeyan Umapathy, Sridhar Krishnan
2021	A*	`conf`	Clustering Partial Lexicographic Preference Trees (Student Abstract). AAAI Joseph Allen, Xudong Liu, Karthikeyan Umapathy, Sandeep Reddivari
2021	—	`conf`	Effect of Shock Vector Orientation in Modulating and Terminating Rotors - a Simulation Study. EMBC Nikhil Valsan Kulangareth, Karthikeyan Umapathy
2021	—	`conf`	Empirical Mode Decomposition Based Hyperspectral Data Analysis for Brain Tumor Classification. EMBC Nauman Baig, Himar Fabelo, Samuel Ortega, Gustavo M. Callicó, Javad Alirezaie, Karthikeyan Umapathy
2021	J	`jnl`	Exploring college students' conceptions of learning computer science: a draw-a-picture technique study. Comput. Sci. Educ. Zhen Xu, Albert D. Ritzhaupt, Karthikeyan Umapathy, Yang Ning, Chin-Chung Tsai
2021	Misc	`conf`	Vegetation Coverage in Marsh Grass Photography Using Convolutional Neural Networks. FLAIRS Lucas Welch, Xudong Liu, Indika Kahanda, Sandeep Reddivari, Karthikeyan Umapathy
2020	Misc	`conf`	Clustering Partial Lexicographic Preference Trees. FLAIRS Joseph Allen, Xudong Liu, Karthikeyan Umapathy, Sandeep Reddivari
2020	—	`conf`	Screening and analysis of specific language impairment in young children by analyzing the textures of speech signal. EMBC Garima Sharma, Deepak Prasad, Karthikeyan Umapathy, Sridhar Krishnan
2019	J	`jnl`	Block-based versus text-based programming environments on novice student learning outcomes: a meta-analysis study. Comput. Sci. Educ. Zhen Xu, Albert D. Ritzhaupt, Fengchun Tian, Karthikeyan Umapathy
2019	J	`jnl`	Empirical mode decomposition based ECG features in classifying and tracking ventricular arrhythmias. Comput. Biol. Medicine Matthew Hotradat, Krishnanand Balasundaram, Stéphane Massé, Krishnakumar Nair, Kumaraswamy Nanthakumar, Karthikeyan Umapathy
2019	—	`conf`	Exploring Relationships Between e-Tailing Website Quality and Purchase Intention. HCI (23) Hibah Khalil, Karthikeyan Umapathy, Lakshmi C. Goel, Sandeep Reddivari
2018	Misc	`conf`	Instantaneous Time-Frequency Features in Characterizing Ventricular Arrhythmias Using Empirical Mode Decomposition. ACSSC Matthew Hotradat, Krishnanand Balasundaram, Stéphane Massé, Krishnakumar Nair, Kumaraswamy Nanthakumar, Karthikeyan Umapathy
2017	J	`jnl`	A Meta-Analysis of Pair-Programming in Computer Programming Courses: Implications for Educational Practice. ACM Trans. Comput. Educ. Karthikeyan Umapathy, Albert D. Ritzhaupt
2017	J	`jnl`	Morphologically constrained signal subspace characterization of electrograms during ventricular fibrillation. Biomed. Signal Process. Control. Krishnanand Balasundaram, Stéphane Massé, Talha Farid, Krishnakumar Nair, John Asta, Robert J. Cusimano, Edward J. Vigmond, Kumaraswamy Nanthakumar, Karthikeyan Umapathy
2016	—	`conf`	A Research Plan to Study Impact of a Collaborative Web Search Tool on Novice's Query Behavior. CTS Mareh Al-Sammarraie, Karthikeyan Umapathy
2016	—	`conf`	Detection of myasthenia gravis using electrooculography signals. EMBC Timothy Liang, Mark I. Boulos, Brian J. Murray, Sridhar Krishnan, Hans Katzberg, Karthikeyan Umapathy
2016	J	`jnl`	Feature-based MRI data fusion for cardiac arrhythmia studies. Comput. Biol. Medicine Karl Magtibay, Mohammadali Beheshti, Farbod Hosseyndoust Foomany, Stéphane Massé, Patrick F. H. Lai, Nima Zamiri, John Asta, Kumaraswamy Nanthakumar, David A. Jaffray, Sridhar Krishnan, Karthikeyan Umapathy
2015	J	`jnl`	Analysis of electrocardiogram pre-shock waveforms during ventricular fibrillation. Biomed. Signal Process. Control. M. Rasooli, Farbod Hosseyndoust Foomany, Krishnanand Balasundaram, Stéphane Massé, Nima Zamiri, Andrew Ramadeen, X. Hu, Paul Dorian, Kumaraswamy Nanthakumar, Sridhar Krishnan, Soosan Beheshti, Karthikeyan Umapathy
2015	—	`conf`	Discriminative sparse coding of ECG during ventricular arrhythmias using LC-K-SVD approach. EMBC Iman Kalaji, Krishnanand Balasundaram, Karthikeyan Umapathy
2015	—	`conf`	Investigating IT Standardization Process Through the Lens of Theory of Communicative Action. WEB Karthikeyan Umapathy, Sandeep Purao, John W. Bagby
2014	—	`conf`	A novel approach to quantification of real and artifactual components of current density imaging for phantom and live heart. EMBC Farbod Hosseyndoust Foomany, Mohammad T. H. Beheshti, Karl Magtibay, Stéphane Massé, Patrick F. Lai, John Asta, Nima Zamiri, David A. Jaffray, Sridhar Krishnan, Kumaraswamy Nanthakumar, Karthikeyan Umapathy
2014	—	`conf`	Discriminative kernel learning in ambiguity domain. CSNDSP Lakshmi Sugavaneswaran, Mohammadreza Balouchestani, Karthikeyan Umapathy, Sridhar Krishnan
2014	—	`conf`	Fusion of structural and functional cardiac magnetic resonance imaging data for studying Ventricular Fibrillation. EMBC 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, Karthikeyan Umapathy
2014	—	`conf`	The effects of long chain polyunsaturated fatty acids on local activation properties in dogs vulnerable to atrial fibrillation. EMBC Raghad Abdulmajeed, Andrew Ramadeen, Stéphane Massé, Farbod Hosseyndoust Foomany, Krishnanand Balasundaram, Xudong Hu, Kumaraswamy Nanthakumar, Paul Dorian, Karthikeyan Umapathy
2013	J	`jnl`	A classification scheme for ventricular arrhythmias using wavelets analysis. Medical Biol. Eng. Comput. Krishnanand Balasundaram, Stéphane Massé, Krishnakumar Nair, Karthikeyan Umapathy
2013	—	`conf`	Analysis of reliability metrics and quality enhancement measures in current density imaging. EMBC Farbod Hosseyndoust Foomany, Mohammad T. H. Beheshti, Karl Magtibay, Stéphane Massé, W. Foltz, Elias Sevaptsidis, Patrick F. Lai, David A. Jaffray, Sridhar Krishnan, Kumaraswamy Nanthakumar, Karthikeyan Umapathy
2013	—	`conf`	Automated signal pattern detection in ECG during human ventricular arrhythmias. EMBC Krishnanand Balasundaram, Stéphane Massé, Krishnakumar Nair, Karthikeyan Umapathy
2013	—	`conf`	Blind source separation in characterizing ECG pre-shock waveforms during ventricular fibrillation. EMBC M. Rasooli, Farbod Hosseyndoust Foomany, Krishnanand Balasundaram, Stéphane Massé, Nima Zamiri, Andrew Ramadeen, X. Hu, Paul Dorian, Kumaraswamy Nanthakumar, Soosan Beheshti, Karthikeyan Umapathy
2013	—	`conf`	Classification of music instruments using wavelet-based time-scale features. ICME Workshops Farbod Hosseyndoust Foomany, Karthikeyan Umapathy
2013	—	`conf`	Digging into Human Rights Violations: phrase mining and trigram visualization. DH Ben Miller, Fuxin Li, Ayush Shrestha, Karthikeyan Umapathy
2013	—	`conf`	Digging into human rights violations: Data modelling and collective memory. IEEE BigData Ben Miller, Ayush Shrestha, Jason Derby, Jennifer Olive, Karthikeyan Umapathy, Fuxin Li, Yanjun Zhao
2012	J	`jnl`	A Study on Services Motivating Computing Professional Association Membership. Int. J. Hum. Cap. Inf. Technol. Prof. Albert D. Ritzhaupt, Karthikeyan Umapathy, Lisa Jamba
2012	J	`jnl`	Empirical analysis of anticipatory standardization processes: a case study. Inf. Syst. E Bus. Manag. Karthikeyan Umapathy, Sandeep Purao, John W. Bagby
2012	J	`jnl`	Time-Frequency Analysis via Ramanujan Sums. IEEE Signal Process. Lett. Lakshmi Sugavaneswaran, Shengkun Xie, Karthikeyan Umapathy, Sridhar Krishnan
2011	—	`conf`	Analyzing Web Service Choreography Specifications Using Colored Petri Nets. DESRIST Enrique Caliz, Karthikeyan Umapathy, Arturo J. Sánchez-Ruíz, Sherif A. Elfayoumy
2011	—	`conf`	Discriminative time-frequency kernels for gait analysis for amyotrophic lateral sclerosis. EMBC Lakshmi Sugavaneswaran, Karthikeyan Umapathy, Sridhar Krishnan
2011	—	`conf`	Predicting refibrillation from pre-shock waveforms in optimizing cardiac resuscitation. EMBC E. Afatmirni, Kumaraswamy Nanthakumar, Stéphane Massé, Krishnakumar Nair, Talha Farid, Sridhar Krishnan, Paul Dorian, Karthikeyan Umapathy
2011	—	`conf`	Relating spatial heterogeneities to rotor formation in studying human ventricular fibrillation. EMBC J. Jeyaratnam, Karthikeyan Umapathy, Stéphane Massé, Krishnakumar Nair, Talha Farid, Sridhar Krishnan, Kumaraswamy Nanthakumar
2011	—	`conf`	Role of professional associations in preparing, recruiting, and retaining computing professionals. CPR Karthikeyan Umapathy, Albert D. Ritzhaupt
2011	—	`conf`	Wavelet-based features for characterizing ventricular arrhythmias in optimizing treatment options. EMBC Krishnanand Balasundaram, Stéphane Massé, Krishnakumar Nair, Talha Farid, Kumaraswamy Nanthakumar, Karthikeyan Umapathy
2010	J	`jnl`	Audio Signal Processing Using Time-Frequency Approaches: Coding, Classification, Fingerprinting, and Watermarking. EURASIP J. Adv. Signal Process. Karthikeyan Umapathy, Behnaz Ghoraani, Sridhar Krishnan
2010	J	`jnl`	Systems Integration and Web Services. Computer Karthikeyan Umapathy, Sandeep Purao
2009	—	`conf`	Analyzing Processes behind Web Service Standards Development. WEB Karthikeyan Umapathy, Sandeep Purao, John W. Bagby
2009	—	`conf`	From Service Conversation Models to WS-CDL. AMCIS Karthikeyan Umapathy
2009	J	`jnl`	Spatiotemporal Frequency Analysis of Ventricular Fibrillation in Explanted Human Hearts. IEEE Trans. Biomed. Eng. Karthikeyan Umapathy, Stéphane Massé, Elias Sevaptsidis, John Asta, Sridhar Krishnan, Kumaraswamy Nanthakumar
2009	J	`jnl`	Toward Generic, Immersive, and Collaborative Solutions to the Data Interoperability Problem which Target End-Users. J. Comput. Sci. Eng. Arturo J. Sánchez-Ruíz, Karthikeyan Umapathy, Patrick J. Hayes
2008	J	`jnl`	Designing enterprise integration solutions: effectively. Eur. J. Inf. Syst. Karthikeyan Umapathy, Sandeep Purao, Russell R. Barton
2008	—	`conf`	Representing and Accessing Design Knowledge for Service Integration. IEEE SCC (1) Karthikeyan Umapathy, Sandeep Purao
2008	—	`conf`	Standardizing Web Services: Overcoming 'Design by Committee'. SERVICES I Sandeep Purao, John W. Bagby, Karthikeyan Umapathy
2008	C	`conf`	The Data Interoperability Problem as an Exemplary Case Study in the Development of Software Collaboration Environments. CollaborateCom Arturo J. Sánchez-Ruíz, Karthikeyan Umapathy, Jonathan Beckham, Patrick Welsh
2008	—	`conf`	Toward generic, immersive, and collaborative solutions to the data interoperability problem which target end-users. ONISW Arturo J. Sánchez-Ruíz, Karthikeyan Umapathy, Patrick J. Hayes
2007	—	`conf`	A Study of Language-Action Perspective as a Theoretical Framework for Web Services. IEEE SCW Karthikeyan Umapathy
2007	J	`jnl`	A theoretical investigation of the emerging standards for web services. Inf. Syst. Frontiers Karthikeyan Umapathy, Sandeep Purao
2007	J	`jnl`	Audio Signal Feature Extraction and Classification Using Local Discriminant Bases. IEEE Trans. Speech Audio Process. Karthikeyan Umapathy, Sridhar Krishnan, R. K. Rao
2007	A	`conf`	Exploring Alternatives for Representing and Accessing Design Knowledge About Enterprise Integration. ER Karthikeyan Umapathy, Sandeep Purao
2007	J	`jnl`	Perceptual Coding of Audio Signals Using Adaptive Time-Frequency Transform. EURASIP J. Audio Speech Music. Process. Karthikeyan Umapathy, Sridhar Krishnan
2007	J	`jnl`	Time-Width Versus Frequency Band Mapping of Energy Distributions. IEEE Trans. Signal Process. Karthikeyan Umapathy, Sridhar Krishnan
2007	—	`conf`	Towards A Theoretical Foundation for Web Services - The Language-Action Perspective (LAP) Approach. IEEE SCC Karthikeyan Umapathy, Sandeep Purao
2007	—	`conf`	Towards Co-Design of Business Processes and Information Systems Using Web Services. HICSS Karthikeyan Umapathy
2006	—	`conf`	Designing Enterprise Solutions with Web Services and Integration Patterns. IEEE SCC Karthikeyan Umapathy, Sandeep Purao
2006	A	`conf`	Designing Under the Influence of Speech Acts: A Strategy for Composing Enterprise Integration Solutions. ER Karthikeyan Umapathy, Sandeep Purao
2006	J	`jnl`	Modified local discriminant bases algorithm and its application in analysis of human knee joint vibration signals. IEEE Trans. Biomed. Eng. Karthikeyan Umapathy, Sridhar Krishnan
2005	—	`conf`	A signal classification approach using time-width vs frequency band sub-energy distributions. ICASSP (5) Karthikeyan Umapathy, Sridhar Krishnan
2005	J	`jnl`	Discrimination of pathological voices using a time-frequency approach. IEEE Trans. Biomed. Eng. Karthikeyan Umapathy, Sridhar Krishnan, Vijay Parsa, Donald G. Jamieson
2005	J	`jnl`	Feature analysis of pathological speech signals using local discriminant bases technique. Medical Biol. Eng. Comput. Karthikeyan Umapathy, Sridhar Krishnan
2005	J	`jnl`	Multigroup classification of audio signals using time-frequency parameters. IEEE Trans. Multim. Karthikeyan Umapathy, Sridhar Krishnan, Shihab Jimaa
2004	A	`conf`	An Agent-Based Approach for Interleaved Composition and Execution of Web Services. ER Xiaocong Fan, Karthikeyan Umapathy, John Yen, Sandeep Purao
2004	—	`conf`	Modified local discriminant bases and its applications in signal classification [biomedical signal examples]. ICASSP (2) Karthikeyan Umapathy, Sridhar Krishnan
2004	A	`conf`	Team-based Agents for Proactive Failure Handling in Dynamic Composition of Web Services. ICWS Xiaocong Fan, Karthikeyan Umapathy, John Yen, Sandeep Purao
2003	J	`jnl`	Development of a Framework for Web-Based Product Platform Customization. J. Comput. Inf. Sci. Eng. Timothy W. Simpson, Karthikeyan Umapathy, Jyotirmaya Nanda, Sachin Halbe, Barry Hodge
2002	—	`conf`	Audio signal classification using time-frequency parameters. ICME (2) Karthikeyan Umapathy, Sridhar Krishnan, Shihab Jimaa
2002	Misc	`conf`	Discrimination of pathological voices using an adaptive time-frequency approach. ICASSP Karthikeyan Umapathy, Sridhar Krishnan, Vijay Parsa, Donald G. Jamieson
2001	—	`conf`	A time-frequency approach for auditory display of time-varying signals. SIP Sridhar Krishnan, Rangaraj M. Rangayyan, Karthikeyan Umapathy