Karthikeyan Umapathy

Publication Activity (10 Years)

Years Active: 2001-2024
Publications (10 Years): 27

Top Topics

Atrial Fibrillation

Empirical Mode Decomposition

Programming Environments

Top Venues

Biomed. Signal Process. Control.

Comput. Biol. Medicine

Comput. Sci. Educ.

Publications

Garima Sharma, Karthikeyan Umapathy, Sridhar Krishnan
Time-Frequency Scattergrams for Biomedical Audio Signal Representation and Classification. IEEE ACM Trans. Audio Speech Lang. Process. 32 (2024)
Karl Magtibay, Karthikeyan Umapathy
A Review of Tools and Methods for Detection, Analysis, and Prediction of Allostatic Load Due to Workplace Stress. IEEE Trans. Affect. Comput. 15 (1) (2024)
Khashayar Bayati, Karthikeyan Umapathy, Soosan Beheshti
Granger Causality Pattern Learning Equipped with Noise Invalidation Soft Thresholding. EUSIPCO (2023)
Prajwol Lamichhane, Indika Kahanda, Xudong Liu, Karthikeyan Umapathy, Sandeep Reddivari, Catherine Christie, Andrea Arikawa, Jenifer Ross
Poster: BioFactCheck: Exploring the Feasibility of Explainable Automated Inconsistency Detection in Biomedical and Health Literature. CHASE (2023)
Joyner Johnson, Adhithyan Rangarajan, Thomas Hunt, Payal Agarwal, Mahmoud Elbatouty, Karthikeyan Umapathy, Dan Richard, Leah Nash
Finding Insights in Florida Voter Participation. ACR (2023)
Sagarjit Aujla, Adel Mohamed, Naimul Khan, Karthikeyan Umapathy
Multi-Level Classification of Lung Pathologies in Neonates using Recurrence Features. EMBC (2022)
Karl Magtibay, Xavier Fernando, Karthikeyan Umapathy
Enhancement of Physiological Stress Classification using Psychometric Features. HEALTHINF (2022)
Nikhil Valsan Kulangareth, Karl Magtibay, Stéphane Massé, Krishnakumar Nair, Paul Dorian, Kumaraswamy Nanthakumar, Karthikeyan Umapathy
An In-Silico model for evaluating the directional shock vectors in terminating and modulating rotors. Comput. Biol. Medicine 146 (2022)
Garima Sharma, Karthikeyan Umapathy, Sri Krishnan
Audio texture analysis of COVID-19 cough, breath, and speech sounds. Biomed. Signal Process. Control. 76 (2022)
Swapnoneel Roy, O. Patrick Kreidl, Karthikeyan Umapathy, Zornitza Genova Prodanoff, Iman Vakilinia
Building Framework and Infrastructure to Assist a Minority Serving Institution (MSI) in Cybersecurity Program Development. CSCI (2022)
Nauman Baig, Himar Fabelo, Samuel Ortega, Gustavo Marrero Callicó, Javad Alirezaie, Karthikeyan Umapathy
Empirical Mode Decomposition Based Hyperspectral Data Analysis for Brain Tumor Classification. EMBC (2021)
Lucas Welch, Xudong Liu, Indika Kahanda, Sandeep Reddivari, Karthikeyan Umapathy
Vegetation Coverage in Marsh Grass Photography Using Convolutional Neural Networks. FLAIRS Conference (2021)
Garima Sharma, Xiao-Ping Zhang, Karthikeyan Umapathy, Sridhar Krishnan
Audio texture and age-wise analysis of disordered speech in children having specific language impairment. Biomed. Signal Process. Control. 66 (2021)
Zhen Xu, Albert D. Ritzhaupt, Karthikeyan Umapathy, Yang Ning, Chin-Chung Tsai
Exploring college students' conceptions of learning computer science: a draw-a-picture technique study. Comput. Sci. Educ. 31 (1) (2021)
Joseph Allen, Xudong Liu, Karthikeyan Umapathy, Sandeep Reddivari
Clustering Partial Lexicographic Preference Trees (Student Abstract). AAAI (2021)
Nikhil Valsan Kulangareth, Karthikeyan Umapathy
Effect of Shock Vector Orientation in Modulating and Terminating Rotors - a Simulation Study. EMBC (2021)
Garima Sharma, Deepak Prasad, Karthikeyan Umapathy, Sridhar Krishnan
Screening and analysis of specific language impairment in young children by analyzing the textures of speech signal. EMBC (2020)
Joseph Allen, Xudong Liu, Karthikeyan Umapathy, Sandeep Reddivari
Clustering Partial Lexicographic Preference Trees. FLAIRS Conference (2020)
Hibah Khalil, Karthikeyan Umapathy, Lakshmi C. Goel, Sandeep Reddivari
Exploring Relationships Between e-Tailing Website Quality and Purchase Intention. HCI (23) (2019)
Zhen Xu, Albert D. Ritzhaupt, Fengchun Tian, Karthikeyan Umapathy
Block-based versus text-based programming environments on novice student learning outcomes: a meta-analysis study. Comput. Sci. Educ. 29 (2-3) (2019)
Matthew Hotradat, Krishnanand Balasundaram, Stéphane Massé, Krishnakumar Nair, Kumaraswamy Nanthakumar, Karthikeyan Umapathy
Empirical mode decomposition based ECG features in classifying and tracking ventricular arrhythmias. Comput. Biol. Medicine 112 (2019)
Matthew Hotradat, Krishnanand Balasundaram, Stéphane Massé, Krishnakumar Nair, Kumaraswamy Nanthakumar, Karthikeyan Umapathy
Instantaneous Time-Frequency Features in Characterizing Ventricular Arrhythmias Using Empirical Mode Decomposition. ACSSC (2018)
Krishnanand Balasundaram, Stéphane Massé, Talha Farid, Krishnakumar Nair, John Asta, Robert J. Cusimano, Edward J. Vigmond, Kumaraswamy Nanthakumar, Karthikeyan Umapathy
Morphologically constrained signal subspace characterization of electrograms during ventricular fibrillation. Biomed. Signal Process. Control. 38 (2017)
Karthikeyan Umapathy, Albert D. Ritzhaupt
A Meta-Analysis of Pair-Programming in Computer Programming Courses: Implications for Educational Practice. ACM Trans. Comput. Educ. 17 (4) (2017)
Timothy Liang, Mark I. Boulos, Brian J. Murray, Sridhar Krishnan, Hans Katzberg, Karthikeyan Umapathy
Detection of myasthenia gravis using electrooculography signals. EMBC (2016)
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
Feature-based MRI data fusion for cardiac arrhythmia studies. Comput. Biol. Medicine 72 (2016)
Mareh Al-Sammarraie, Karthikeyan Umapathy
A Research Plan to Study Impact of a Collaborative Web Search Tool on Novice's Query Behavior. CTS (2016)
Karthikeyan Umapathy, Sandeep Purao, John W. Bagby
Investigating IT Standardization Process Through the Lens of Theory of Communicative Action. WEB (2015)
Iman Kalaji, Krishnanand Balasundaram, Karthikeyan Umapathy
Discriminative sparse coding of ECG during ventricular arrhythmias using LC-K-SVD approach. EMBC (2015)
M. Rasooli, Farbod Hosseyndoust Foomany, Krishnanand Balasundaram, Stéphane Massé, Nima Zamiri, Andrew Ramadeen, X. Hu, P. Dorian, Kumaraswamy Nanthakumar, Sridhar Krishnan, Soosan Beheshti, Karthikeyan Umapathy
Analysis of electrocardiogram pre-shock waveforms during ventricular fibrillation. Biomed. Signal Process. Control. 21 (2015)
Lakshmi Sugavaneswaran, Mohammadreza Balouchestani, Karthikeyan Umapathy, Sridhar Krishnan
Discriminative kernel learning in ambiguity domain. CSNDSP (2014)
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
A novel approach to quantification of real and artifactual components of current density imaging for phantom and live heart. EMBC (2014)
Raghad Abdulmajeed, Andrew Ramadeen, Stéphane Massé, Farbod Hosseyndoust Foomany, Krishnanand Balasundaram, Xudong Hu, Kumaraswamy Nanthakumar, Paul Dorian, Karthikeyan Umapathy
The effects of long chain polyunsaturated fatty acids on local activation properties in dogs vulnerable to atrial fibrillation. EMBC (2014)
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
Fusion of structural and functional cardiac magnetic resonance imaging data for studying Ventricular Fibrillation. EMBC (2014)
M. Rasooli, Farbod Hosseyndoust Foomany, Krishnanand Balasundaram, Stéphane Massé, Nima Zamiri, Andrew Ramadeen, X. Hu, P. Dorian, Kumaraswamy Nanthakumar, Soosan Beheshti, Karthikeyan Umapathy
Blind source separation in characterizing ECG pre-shock waveforms during ventricular fibrillation. EMBC (2013)
Krishnanand Balasundaram, Stéphane Massé, Krishnakumar Nair, Karthikeyan Umapathy
A classification scheme for ventricular arrhythmias using wavelets analysis. Medical Biol. Eng. Comput. 51 (1-2) (2013)
Ben Miller, Ayush Shrestha, Jason Derby, Jennifer Olive, Karthikeyan Umapathy, Fuxin Li, Yanjun Zhao
Digging into human rights violations: Data modelling and collective memory. IEEE BigData (2013)
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
Analysis of reliability metrics and quality enhancement measures in current density imaging. EMBC (2013)
Ben Miller, Fuxin Li, Ayush Shrestha, Karthikeyan Umapathy
Digging into Human Rights Violations: phrase mining and trigram visualization. DH (2013)
Krishnanand Balasundaram, Stéphane Massé, Krishnakumar Nair, Karthikeyan Umapathy
Automated signal pattern detection in ECG during human ventricular arrhythmias. EMBC (2013)
Farbod Hosseyndoust Foomany, Karthikeyan Umapathy
Classification of music instruments using wavelet-based time-scale features. ICME Workshops (2013)
Lakshmi Sugavaneswaran, Shengkun Xie, Karthikeyan Umapathy, Sridhar Krishnan
Time-Frequency Analysis via Ramanujan Sums. IEEE Signal Process. Lett. 19 (6) (2012)
Karthikeyan Umapathy, Sandeep Purao, John W. Bagby
Empirical analysis of anticipatory standardization processes: a case study. Inf. Syst. E Bus. Manag. 10 (3) (2012)
Albert D. Ritzhaupt, Karthikeyan Umapathy, Lisa Jamba
A Study on Services Motivating Computing Professional Association Membership. Int. J. Hum. Cap. Inf. Technol. Prof. 3 (1) (2012)
Krishnanand Balasundaram, Stéphane Massé, Krishnakumar Nair, Talha Farid, Kumaraswamy Nanthakumar, Karthikeyan Umapathy
Wavelet-based features for characterizing ventricular arrhythmias in optimizing treatment options. EMBC (2011)
Enrique Caliz, Karthikeyan Umapathy, Arturo J. Sánchez-Ruíz, Sherif A. Elfayoumy
Analyzing Web Service Choreography Specifications Using Colored Petri Nets. DESRIST (2011)
J. Jeyaratnam, Karthikeyan Umapathy, Stéphane Massé, Krishnakumar Nair, Talha Farid, Sridhar Krishnan, Kumaraswamy Nanthakumar
Relating spatial heterogeneities to rotor formation in studying human ventricular fibrillation. EMBC (2011)
Karthikeyan Umapathy, Albert D. Ritzhaupt
Role of professional associations in preparing, recruiting, and retaining computing professionals. CPR (2011)
Lakshmi Sugavaneswaran, Karthikeyan Umapathy, Sridhar Krishnan
Discriminative time-frequency kernels for gait analysis for amyotrophic lateral sclerosis. EMBC (2011)
E. Afatmirni, Kumaraswamy Nanthakumar, Stéphane Massé, Krishnakumar Nair, Talha Farid, Sridhar Krishnan, P. Dorian, Karthikeyan Umapathy
Predicting refibrillation from pre-shock waveforms in optimizing cardiac resuscitation. EMBC (2011)
Karthikeyan Umapathy, Behnaz Ghoraani, Sridhar Krishnan
Audio Signal Processing Using Time-Frequency Approaches: Coding, Classification, Fingerprinting, and Watermarking. EURASIP J. Adv. Signal Process. 2010 (2010)
Karthikeyan Umapathy, Sandeep Purao
Systems Integration and Web Services. Computer 43 (11) (2010)
Karthikeyan Umapathy
From Service Conversation Models to WS-CDL. AMCIS (2009)
Karthikeyan Umapathy, Sandeep Purao, John W. Bagby
Analyzing Processes behind Web Service Standards Development. WEB (2009)
Arturo J. Sánchez-Ruíz, Karthikeyan Umapathy, Patrick J. Hayes
Toward Generic, Immersive, and Collaborative Solutions to the Data Interoperability Problem which Target End-Users. J. Comput. Sci. Eng. 3 (2) (2009)
Karthikeyan Umapathy, Stéphane Massé, Elias Sevaptsidis, John Asta, Sridhar Krishnan, Kumaraswamy Nanthakumar
Spatiotemporal Frequency Analysis of Ventricular Fibrillation in Explanted Human Hearts. IEEE Trans. Biomed. Eng. 56 (2) (2009)
Karthikeyan Umapathy, Sandeep Purao
Representing and Accessing Design Knowledge for Service Integration. IEEE SCC (1) (2008)
Arturo J. Sánchez-Ruíz, Karthikeyan Umapathy, Patrick J. Hayes
Toward generic, immersive, and collaborative solutions to the data interoperability problem which target end-users. ONISW (2008)
Arturo J. Sánchez-Ruíz, Karthikeyan Umapathy, Jonathan Beckham, Patrick Welsh
The Data Interoperability Problem as an Exemplary Case Study in the Development of Software Collaboration Environments. CollaborateCom (2008)
Sandeep Purao, John W. Bagby, Karthikeyan Umapathy
Standardizing Web Services: Overcoming 'Design by Committee'. SERVICES I (2008)
Karthikeyan Umapathy, Sandeep Purao, Russell R. Barton
Designing enterprise integration solutions: effectively. Eur. J. Inf. Syst. 17 (5) (2008)
Karthikeyan Umapathy, Sridhar Krishnan
Time-Width Versus Frequency Band Mapping of Energy Distributions. IEEE Trans. Signal Process. 55 (3) (2007)
Karthikeyan Umapathy, Sandeep Purao
A theoretical investigation of the emerging standards for web services. Inf. Syst. Frontiers 9 (1) (2007)
Karthikeyan Umapathy
A Study of Language-Action Perspective as a Theoretical Framework for Web Services. IEEE SCW (2007)
Karthikeyan Umapathy, Sandeep Purao
Exploring Alternatives for Representing and Accessing Design Knowledge About Enterprise Integration. ER (2007)
Karthikeyan Umapathy, Sridhar Krishnan, R. K. Rao
Audio Signal Feature Extraction and Classification Using Local Discriminant Bases. IEEE Trans. Speech Audio Process. 15 (4) (2007)
Karthikeyan Umapathy, Sridhar Krishnan
Perceptual Coding of Audio Signals Using Adaptive Time-Frequency Transform. EURASIP J. Audio Speech Music. Process. 2007 (2007)
Karthikeyan Umapathy
Towards Co-Design of Business Processes and Information Systems Using Web Services. HICSS (2007)
Karthikeyan Umapathy, Sandeep Purao
Towards A Theoretical Foundation for Web Services - The Language-Action Perspective (LAP) Approach. IEEE SCC (2007)
Karthikeyan Umapathy, Sridhar Krishnan
Modified local discriminant bases algorithm and its application in analysis of human knee joint vibration signals. IEEE Trans. Biomed. Eng. 53 (3) (2006)
Karthikeyan Umapathy, Sandeep Purao
Designing Enterprise Solutions with Web Services and Integration Patterns. IEEE SCC (2006)
Karthikeyan Umapathy, Sandeep Purao
Designing Under the Influence of Speech Acts: A Strategy for Composing Enterprise Integration Solutions. ER (2006)
Karthikeyan Umapathy, Sridhar Krishnan, Shihab Jimaa
Multigroup classification of audio signals using time-frequency parameters. IEEE Trans. Multim. 7 (2) (2005)
Karthikeyan Umapathy, Sridhar Krishnan
A signal classification approach using time-width vs frequency band sub-energy distributions. ICASSP (5) (2005)
Karthikeyan Umapathy, Sridhar Krishnan
Feature analysis of pathological speech signals using local discriminant bases technique. Medical Biol. Eng. Comput. 43 (4) (2005)
Karthikeyan Umapathy, Sridhar Krishnan, Vijay Parsa, Donald G. Jamieson
Discrimination of pathological voices using a time-frequency approach. IEEE Trans. Biomed. Eng. 52 (3) (2005)
Karthikeyan Umapathy, Sridhar Krishnan
Modified local discriminant bases and its applications in signal classification [biomedical signal examples]. ICASSP (2) (2004)
Xiaocong Fan, Karthikeyan Umapathy, John Yen, Sandeep Purao
Team-based Agents for Proactive Failure Handling in Dynamic Composition of Web Services. ICWS (2004)
Xiaocong Fan, Karthikeyan Umapathy, John Yen, Sandeep Purao
An Agent-Based Approach for Interleaved Composition and Execution of Web Services. ER (2004)
Timothy W. Simpson, Karthikeyan Umapathy, Jyotirmaya Nanda, Sachin Halbe, Barry Hodge
Development of a Framework for Web-Based Product Platform Customization. J. Comput. Inf. Sci. Eng. 3 (2) (2003)
Karthikeyan Umapathy, Sridhar Krishnan, Shihab Jimaa
Audio signal classification using time-frequency parameters. ICME (2) (2002)
Karthikeyan Umapathy, Sridhar Krishnan, Vijay Parsa, Donald G. Jamieson
Discrimination of pathological voices using an adaptive time-frequency approach. ICASSP (2002)
Sridhar Krishnan, Rangaraj M. Rangayyan, Karthikeyan Umapathy
A time-frequency approach for auditory display of time-varying signals. SIP (2001)