Ravi Prakash Ramachandran

Publication Activity (10 Years)

Years Active: 1986-2023
Publications (10 Years): 22

Top Topics

Speech Processing

Top Venues

Circuits Syst. Signal Process.

Publications

Ian E. Nielsen, Erik Grundeland, Joseph Snedeker, Ravi Prakash Ramachandran, Ghulam Rasool
Targeted Background Removal Creates Interpretable Feature Visualizations. MWSCAS (2023)
Jacob R. Epifano, Stephen Glass, Ravi Prakash Ramachandran, Sharad Patel, Aaron J. Masino, Ghulam Rasool
Deployment of a Robust and Explainable Mortality Prediction Model: The COVID-19 Pandemic and Beyond. CoRR (2023)
Jacob R. Epifano, Alison Silvestri, Alexander Yu, Ravi Prakash Ramachandran, Aakash Tripathi, Ghulam Rasool
A Comparison of Feature Selection Techniques for First-day Mortality Prediction in the ICU. ISCAS (2023)
Ian E. Nielsen, Ravi Prakash Ramachandran, Nidhal Bouaynaya, Hassan M. Fathallah-Shaykh, Ghulam Rasool
EvalAttAI: A Holistic Approach to Evaluating Attribution Maps in Robust and Non-Robust Models. IEEE Access 11 (2023)
Ian E. Nielsen, Ravi Prakash Ramachandran, Nidhal Bouaynaya, Hassan M. Fathallah-Shaykh, Ghulam Rasool
EvalAttAI: A Holistic Approach to Evaluating Attribution Maps in Robust and Non-Robust Models. CoRR (2023)
Jacob R. Epifano, Ravi Prakash Ramachandran, Aaron J. Masino, Ghulam Rasool
Revisiting the Fragility of Influence Functions. CoRR (2023)
Jacob R. Epifano, Ravi Prakash Ramachandran, Aaron J. Masino, Ghulam Rasool
Revisiting the fragility of influence functions. Neural Networks 162 (2023)
Sabeen Ahmed, Ian E. Nielsen, Aakash Tripathi, Shamoon Siddiqui, Ravi Prakash Ramachandran, Ghulam Rasool
Transformers in Time-Series Analysis: A Tutorial. Circuits Syst. Signal Process. 42 (12) (2023)
Asim Waqas, Aakash Tripathi, Ravi Prakash Ramachandran, Paul Stewart, Ghulam Rasool
Multimodal Data Integration for Oncology in the Era of Deep Neural Networks: A Review. CoRR (2023)
Ian E. Nielsen, Erik Grundeland, Joseph Snedeker, Ghulam Rasool, Ravi Prakash Ramachandran
Targeted Background Removal Creates Interpretable Feature Visualizations. CoRR (2023)
Ian E. Nielsen, Dimah Dera, Ghulam Rasool, Ravi Prakash Ramachandran, Nidhal Carla Bouaynaya
Robust Explainability: A tutorial on gradient-based attribution methods for deep neural networks. IEEE Signal Process. Mag. 39 (4) (2022)
Sabeen Ahmed, Ian E. Nielsen, Aakash Tripathi, Shamoon Siddiqui, Ghulam Rasool, Ravi Prakash Ramachandran
Transformers in Time-series Analysis: A Tutorial. CoRR (2022)
Shamoon Siddiqui, Ghulam Rasool, Ravi Prakash Ramachandran
The Case Against Sentiment Analysis for Natural Text. IJCNN (2021)
Ian E. Nielsen, Dimah Dera, Ghulam Rasool, Nidhal Bouaynaya, Ravi Prakash Ramachandran
Robust Explainability: A Tutorial on Gradient-Based Attribution Methods for Deep Neural Networks. CoRR (2021)
Shamoon Siddiqui, Ghulam Rasool, Ravi Prakash Ramachandran, Nidhal C. Bouaynaya
Using Deep Speech Recognition to Evaluate Speech Enhancement Methods. IJCNN (2020)
Jacob R. Epifano, Ravi Prakash Ramachandran, Sharad Patel, Ghulam Rasool
Towards an Explainable Mortality Prediction Model. MLSP (2020)
Ravi Prakash Ramachandran, Kevin D. Dahm, Nidhal C. Bouaynaya
Introducing Undergraduates to Pattern Recognition and Machine Learning through Speech Processing. ICASSP (2019)
Tokunbo Ogunfunmi, Ravi Prakash Ramachandran, Roberto Togneri, Yuanjun Zhao, Xianjun Xia
A Primer on Deep Learning Architectures and Applications in Speech Processing. Circuits Syst. Signal Process. 38 (8) (2019)
Tokunbo Ogunfunmi, Ravi Prakash Ramachandran, Roberto Togneri, Brett Y. Smolenski, Visar Berisha
Guest Editorial: Algorithms and Architectures for Machine Learning Based Speech Processing. Circuits Syst. Signal Process. 38 (8) (2019)
Joshua S. Edwards, Ravi Prakash Ramachandran, Umashanger Thayasivam
Robust speaker verification with a two classifier format and feature enhancement. ISCAS (2017)
Russell Ondusko, Matthew Marbach, Ravi Prakash Ramachandran, Linda M. Head
Blind Signal-to-Noise Ratio Estimation of Speech Based on Vector Quantizer Classifiers and Decision Level Fusion. J. Signal Process. Syst. 89 (2) (2017)
Megan N. Frankle, Ravi Prakash Ramachandran
Robust speaker identification under noisy conditions using feature compensation and signal to noise ratio estimation. MWSCAS (2016)
Fazal Noor, Majed Alhaisoni, Mashaan A. Alshammari, Ravi Prakash Ramachandran
Distinguishing medical drugs from a large set of side effects using a distributed genetic algorithm on a PC cluster. ISCAS (2015)
Umashanger Thayasivam, Chinthaka Kuruwita, Ravi Prakash Ramachandran
Robust L_2E Parameter Estimation of Gaussian Mixture Models: Comparison with Expectation Maximization. ICONIP (3) (2015)
James Ethridge, Ravi Prakash Ramachandran
Rank-based frame classification for usable speech detection in speaker identification systems. DSP (2015)
Demiyan V. Smirnov, Rajani Muraleedharan, Ravi Prakash Ramachandran
A Comparison of Facial Features and Fusion Methods for Emotion Recognition. ICONIP (4) (2015)
Steven A. Rieger, Rajani Muraleedharan, Ravi Prakash Ramachandran
Speech based emotion recognition using spectral feature extraction and an ensemble of kNN classifiers. ISCSLP (2014)
Sara H. Davis, Megan N. Frankle, Ravi Prakash Ramachandran, Kevin D. Dahm, Robi Polikar
A freshman level module in biometric systems. ISCAS (2013)
Demiyan V. Smirnov, Sean Banger, Sara H. Davis, Rajani Muraleedharan, Ravi Prakash Ramachandran
Automated human behavioral analysis framework using facial feature extraction and machine learning. ACSSC (2013)
Kalpesh Raval, Ravi Prakash Ramachandran, Sachin S. Shetty, Brett Y. Smolenski
Feature and Signal Enhancement for Robust Speaker Identification of G.729 Decoded Speech. ICONIP (5) (2012)
Umashanger Thayasivam, Sachin S. Shetty, Chinthaka Kuruwita, Ravi Prakash Ramachandran
Detection of anomalies in network traffic using L2E for accurate speaker recognition. MWSCAS (2012)
Ravi Prakash Ramachandran, Robi Polikar, Kevin D. Dahm, Sachin S. Shetty
Open-ended design and performance evaluation of a biometric speaker identification system. ISCAS (2012)
Sachin Shetty, Kodzo Agbedanu, Ravi Prakash Ramachandran
Opportunistic spectrum access in multi-user multi-channel cognitive radio networks. EUSIPCO (2011)
Ying Tang, Linda M. Head, Ravi Prakash Ramachandran, Lawrence M. Chatman
Vertical Integration of System-on-Chip Concepts in the Digital Design Curriculum. IEEE Trans. Educ. 54 (2) (2011)
Peter M. Jansson, Ravi Prakash Ramachandran, John L. Schmalzel, Shreekanth Mandayam
Creating an Agile ECE Learning Environment Through Engineering Clinics. IEEE Trans. Educ. 53 (3) (2010)
Gregory Ditzler, James Ethridge, Ravi Prakash Ramachandran, Robi Polikar
Fusion methods for boosting performance of speaker identification systems. APCCAS (2010)
Robert W. Mudrowsky, Ravi Prakash Ramachandran, Sachin S. Shetty
The affine transform and feature fusion for robust speaker identification in the presence of speech coding distortion. APCCAS (2010)
Ravi Prakash Ramachandran, Sachin S. Shetty
Blind channel estimation based robust physical layer key generation in MIMO networks. ISCAS (2010)
Ying Tang, Linda M. Head, Ravi Prakash Ramachandran, Lawrence M. Chatman
Vertical integration of system-on-chip concepts in the digital design curriculum. MSE (2009)
Matthew Marbach, Russell Ondusko, Ravi Prakash Ramachandran, Linda M. Head
Neural Network Classifiers and Principal Component Analysis for Blind Signal to Noise Ratio Estimation of Speech Signals. ISCAS (2009)
Venkat Ramachandran, Ravi Prakash Ramachandran, Christian S. Gargour
New Z-Domain Continued Fraction Expansions Based on an Infinite Number of Mirror-Image and Anti-Mirror-Image Polynomial Decompositions. J. Circuits Syst. Comput. 17 (3) (2008)
Venkat Ramachandran, Christian S. Gargour, Ravi Prakash Ramachandran
Two-Dimensional Digital Filters with Variable Magnitude Characteristics Obtained from a 1-D Monotonic Response. J. Comput. 2 (7) (2007)
Russell Ondusko, Matthew Marbach, Ravi Prakash Ramachandran, Linda M. Head, Mark C. Huggins
A vector quantizer classifier for blind signal to noise ratio estimation of speech signals. ISCAS (2006)
Christian S. Gargour, Venkat Ramachandran, Ravi Prakash Ramachandran
On the Properties And Design of Stable IIR Transfer Functions Generated Using Fibonnaci Numbers. APCCAS (2006)
Rubeena Shaik, Raúl Ordóñez, Ravi Prakash Ramachandran
Nonylphenol biodegradation kinetics estimation using neural networks. ISCAS (2006)
Russell Ondusko, Matthew Marbach, A. McClellan, Ravi Prakash Ramachandran, Linda M. Head, Mark C. Huggins, Brett Y. Smolenski
Blind Determination of the Signal to Noise Ratio of Speech Signals Based on Estimation Combination of Multiple Features. APCCAS (2006)
Glenn S. Arr, Carlos C. Sun, Ravi Prakash Ramachandran
Fusion of wavelet transform and color information features for automatic vehicle reidentification in intelligent transportation systems. ICASSP (5) (2004)
Carlos C. Sun, Glenn S. Arr, Ravi Prakash Ramachandran, Stephen G. Ritchie
Vehicle Reidentification using multidetector fusion. IEEE Trans. Intell. Transp. Syst. 5 (3) (2004)
Arthur L. Swanson, Ravi Prakash Ramachandran, Steven H. Chin
Fast adaptive component weighted cepstrum pole filtering for speaker identification. ISCAS (5) (2004)
Christian S. Gargour, Venkat Ramachandran, Ravi Prakash Ramachandran
An Alternative Approach For Obtaining 2D Discrete Filters By Cascading Sections Each Having Unity Degree In Each Variable. J. Circuits Syst. Comput. 13 (5) (2004)
David L. Reynolds, Linda M. Head, Ravi Prakash Ramachandran
VLSI architecture for the efficient computation of line spectral frequencies. ISCAS (3) (2003)
Anthony J. Marchese, Ravi Prakash Ramachandran, Robert P. Hesketh, John L. Schmalzel, Heidi L. Newell
The competitive assessment laboratory: introducing engineering design via consumer product benchmarking. IEEE Trans. Educ. 46 (1) (2003)
Vishal Shah, Aditya Chaubal, Ravi Prakash Ramachandran, Raúl Ordóñez, Kauser Jahan
System observability and nonlinear parameter identification of nonylphenol biodegradation kinetics. ISCAS (3) (2003)
Ravi Prakash Ramachandran, Glenn S. Arr, Carlos C. Sun, Stephen G. Ritchie
A pattern recognition and feature fusion formulation for vehicle reidentification in Intelligent Transportation Systems. ICASSP (2002)
Ravi Prakash Ramachandran, Kevin R. Farrell, Roopashri Ramachandran, Richard J. Mammone
Speaker recognition - general classifier approaches and data fusion methods. Pattern Recognit. 35 (12) (2002)
Linda M. Head, Gay Canough, Ravi Prakash Ramachandran
Real-world design as a one-semester undergraduate project: example of a robust and low-cost solar lantern. IEEE Trans. Educ. 45 (4) (2002)
Venkat Ramachandran, Ravi Prakash Ramachandran, Christian S. Gargour
Some properties of the z-domain continued fraction expansions of 1-D discrete reactance functions. ISCAS (2) (2001)
Christian S. Gargour, Venkat Ramachandran, Ravi Prakash Ramachandran
Generation of a class of two-dimensional (2-D) transfer functions yielding variable magnitude and contour characteristics. ISCAS (2) (2001)
Michael A. Lewis, Ravi Prakash Ramachandran
Cochannel speaker count labelling based on the use of cepstral and pitch prediction derived features. Pattern Recognit. 34 (2) (2001)
Ravi Prakash Ramachandran, Kevin R. Farrell
Fast pole filtering for speaker recognition. ISCAS (2000)
V. K. Gopalakrishnan, Ravi Prakash Ramachandran, J. Wilder, Richard J. Mammone
Restoration of three dimensional microscopic images using the row action projection method. ISCAS (4) (1999)
Shreekanth Mandayam, Ravi Prakash Ramachandran
An invariance transformation technique for interpreting images obtained from unknown operational conditions. ISCAS (4) (1999)
Mihailo S. Zilovic, Ravi Prakash Ramachandran, Richard J. Mammone
Speaker identification based on the use of robust cepstral features obtained from pole-zero transfer functions. IEEE Trans. Speech Audio Process. 6 (3) (1998)
Kevin R. Farrell, Ravi Prakash Ramachandran, Richard J. Mammone
An analysis of data fusion methods for speaker verification. ICASSP (1998)
Mihailo S. Zilovic, Ravi Prakash Ramachandran, Richard J. Mammone
A fast algorithm for finding the adaptive component weighted cepstrum for speaker recognition. IEEE Trans. Speech Audio Process. 5 (1) (1997)
Sunder S. Kidambi, Ravi Prakash Ramachandran
Complex coefficient nonrecursive digital filter design using a least-squares method. IEEE Trans. Signal Process. 44 (3) (1996)
Richard J. Mammone, Xiaoyu Zhang, Ravi Prakash Ramachandran
Robust speaker recognition: a feature-based approach. IEEE Signal Process. Mag. 13 (5) (1996)
Ravi Prakash Ramachandran, Man Mohan Sondhi, Nambi Seshadri, Bishnu S. Atal
A two codebook format for robust quantization of line spectral frequencies. IEEE Trans. Speech Audio Process. 3 (3) (1995)
Sunder S. Kidambi, Ravi Prakash Ramachandran
Design of two-dimensional linear-phase nonrecursive filters using a least-squares criterion. Signal Process. 44 (3) (1995)
Ravi Prakash Ramachandran, Mihailo S. Zilovic, Richard J. Mammone
A comparative study of robust linear predictive analysis methods with applications to speaker identification. IEEE Trans. Speech Audio Process. 3 (2) (1995)
S. Sunder, Ravi Prakash Ramachandran
Least-squares design of higher order nonrecursive differentiators. IEEE Trans. Signal Process. 42 (4) (1994)
S. Sunder, Ravi Prakash Ramachandran
An Efficient Least-Squares Approach for the Design of Two-Dimensional Linear-Phase Nonrecursive Filters. ISCAS (1994)
Ravi Prakash Ramachandran, S. Sunder
A unified and efficient least-squares design of linear-phase nonrecursive filters. Signal Process. 36 (1) (1994)
W. Bastiaan Kleijn, Ravi Prakash Ramachandran, Peter Kroon
Interpolation of the pitch-predictor parameters in analysis-by-synthesis speech coders. IEEE Trans. Speech Audio Process. 2 (1) (1994)
S. Sunder, Ravi Prakash Ramachandran
A least-squares design of nonrecursive filters satisfying prescribed magnitude and phase specifications. ISCAS (1993)
Fang-Ming Wang, Peter Kabal, Ravi Prakash Ramachandran, Douglas D. O'Shaughnessy
Frequency domain adaptive postfiltering for enhancement of noisy speech. Speech Commun. 12 (1) (1993)
W. Bastiaan Kleijn, Ravi Prakash Ramachandran, Peter Kroon
Generalized analysis-by-synthesis coding and its application to pitch prediction. ICASSP (1992)
Ravi Prakash Ramachandran, Peter Kabal
Bandwidth efficient transmultiplexers. I. Synthesis. IEEE Trans. Signal Process. 40 (1) (1992)
Ravi Prakash Ramachandran, Peter Kabal
Bandwidth efficient transmultiplexers. II. Subband complements and performance aspects. IEEE Trans. Signal Process. 40 (5) (1992)
Ravi Prakash Ramachandran, Peter Kabal
Transmultiplexers: Perfect reconstruction and compensation of channel distortion. Signal Process. 21 (3) (1990)
Ravi Prakash Ramachandran, Peter Kabal
Synthesis of bandwidth efficient OQAM and VSB transmultiplexers. ICASSP (1990)
Ravi Prakash Ramachandran, Peter Kabal
Minimax design of factorable Nyquist filters. ICASSP (1989)
Ravi Prakash Ramachandran, Peter Kabal
Pitch prediction filters in speech coding. IEEE Trans. Acoust. Speech Signal Process. 37 (4) (1989)
Peter Kabal, Ravi Prakash Ramachandran
Joint optimization of linear predictors in speech. IEEE Trans. Acoust. Speech Signal Process. 37 (5) (1989)
Peter Kabal, Ravi Prakash Ramachandran
Joint solutions for formant and pitch predictors in speech processing. ICASSP (1988)
Ravi Prakash Ramachandran, Peter Kabal
Stability and performance analysis of pitch filters in speech coders. IEEE Trans. Acoust. Speech Signal Process. 35 (7) (1987)
Peter Kabal, Ravi Prakash Ramachandran
The computation of line spectral frequencies using Chebyshev polynomials. IEEE Trans. Acoust. Speech Signal Process. 34 (6) (1986)