The computation of line spectral frequencies using Chebyshev polynomials. - Peter Kabal; Ravi Prakash Ramachandran (IEEE Trans. Acoust. Speech Signal Process., 1986)

Stability and performance analysis of pitch filters in speech coders. - Ravi Prakash Ramachandran; Peter Kabal (IEEE Trans. Acoust. Speech Signal Process., 1987)

Joint solutions for formant and pitch predictors in speech processing. - Peter Kabal; Ravi Prakash Ramachandran (ICASSP, 1988)

Minimax design of factorable Nyquist filters. - Ravi Prakash Ramachandran; Peter Kabal (ICASSP, 1989)

Joint optimization of linear predictors in speech. - Peter Kabal; Ravi Prakash Ramachandran (IEEE Trans. Acoust. Speech Signal Process., 1989)

Pitch prediction filters in speech coding. - Ravi Prakash Ramachandran; Peter Kabal (IEEE Trans. Acoust. Speech Signal Process., 1989)

Synthesis of bandwidth efficient OQAM and VSB transmultiplexers. - Ravi Prakash Ramachandran; Peter Kabal (ICASSP, 1990)

Transmultiplexers: Perfect reconstruction and compensation of channel distortion. - Ravi Prakash Ramachandran; Peter Kabal (Signal Process., 1990)

Generalized analysis-by-synthesis coding and its application to pitch prediction. - W. Bastiaan Kleijn; Ravi Prakash Ramachandran; Peter Kroon (ICASSP, 1992)

Bandwidth efficient transmultiplexers. I. Synthesis. - Ravi Prakash Ramachandran; Peter Kabal (IEEE Trans. Signal Process., 1992)

Bandwidth efficient transmultiplexers. II. Subband complements and performance aspects. - Ravi Prakash Ramachandran; Peter Kabal (IEEE Trans. Signal Process., 1992)

A least-squares design of nonrecursive filters satisfying prescribed magnitude and phase specifications. - S. Sunder; Ravi Prakash Ramachandran (ISCAS, 1993)

Frequency domain adaptive postfiltering for enhancement of noisy speech. - Fang-Ming Wang; Peter Kabal; Ravi Prakash Ramachandran; Douglas D. O'Shaughnessy (Speech Commun., 1993)

An Efficient Least-Squares Approach for the Design of Two-Dimensional Linear-Phase Nonrecursive Filters. - S. Sunder; Ravi Prakash Ramachandran (ISCAS, 1994)

A unified and efficient least-squares design of linear-phase nonrecursive filters. - Ravi Prakash Ramachandran; S. Sunder (Signal Process., 1994)

Interpolation of the pitch-predictor parameters in analysis-by-synthesis speech coders. - W. Bastiaan Kleijn; Ravi Prakash Ramachandran; Peter Kroon (IEEE Trans. Speech Audio Process., 1994)

Least-squares design of higher order nonrecursive differentiators. - S. Sunder; Ravi Prakash Ramachandran (IEEE Trans. Signal Process., 1994)

Design of two-dimensional linear-phase nonrecursive filters using a least-squares criterion. - Sunder S. Kidambi; Ravi Prakash Ramachandran (Signal Process., 1995)

A two codebook format for robust quantization of line spectral frequencies. - Ravi Prakash Ramachandran; Man Mohan Sondhi; Nambi Seshadri; Bishnu S. Atal (IEEE Trans. Speech Audio Process., 1995)

A comparative study of robust linear predictive analysis methods with applications to speaker identification. - Ravi Prakash Ramachandran; Mihailo S. Zilovic; Richard J. Mammone (IEEE Trans. Speech Audio Process., 1995)

Robust speaker recognition: a feature-based approach. - Richard J. Mammone; Xiaoyu Zhang 001; Ravi Prakash Ramachandran (IEEE Signal Process. Mag., 1996)

Complex coefficient nonrecursive digital filter design using a least-squares method. - Sunder S. Kidambi; Ravi Prakash Ramachandran (IEEE Trans. Signal Process., 1996)

A fast algorithm for finding the adaptive component weighted cepstrum for speaker recognition. - Mihailo S. Zilovic; Ravi Prakash Ramachandran; Richard J. Mammone (IEEE Trans. Speech Audio Process., 1997)

An analysis of data fusion methods for speaker verification. - Kevin R. Farrell; Ravi Prakash Ramachandran; Richard J. Mammone (ICASSP, 1998)

Speaker identification based on the use of robust cepstral features obtained from pole-zero transfer functions. - Mihailo S. Zilovic; Ravi Prakash Ramachandran; Richard J. Mammone (IEEE Trans. Speech Audio Process., 1998)

Restoration of three dimensional microscopic images using the row action projection method. - V. K. Gopalakrishnan; Ravi Prakash Ramachandran; J. Wilder; Richard J. Mammone (ISCAS (4), 1999)

An invariance transformation technique for interpreting images obtained from unknown operational conditions. - Shreekanth Mandayam; Ravi Prakash Ramachandran (ISCAS (4), 1999)

Fast pole filtering for speaker recognition. - Ravi Prakash Ramachandran; Kevin R. Farrell (ISCAS, 2000)

Generation of a class of two-dimensional (2-D) transfer functions yielding variable magnitude and contour characteristics. - Christian S. Gargour; Venkat Ramachandran; Ravi Prakash Ramachandran (ISCAS (2), 2001)

Some properties of the z-domain continued fraction expansions of 1-D discrete reactance functions. - Venkat Ramachandran; Ravi Prakash Ramachandran; Christian S. Gargour (ISCAS (2), 2001)

Cochannel speaker count labelling based on the use of cepstral and pitch prediction derived features. - Michael A. Lewis; Ravi Prakash Ramachandran (Pattern Recognit., 2001)

A pattern recognition and feature fusion formulation for vehicle reidentification in Intelligent Transportation Systems. - Ravi Prakash Ramachandran; Glenn S. Arr; Carlos C. Sun; Stephen G. Ritchie (ICASSP, 2002)

Speaker recognition - general classifier approaches and data fusion methods. - Ravi Prakash Ramachandran; Kevin R. Farrell; Roopashri Ramachandran; Richard J. Mammone (Pattern Recognit., 2002)

Real-world design as a one-semester undergraduate project: example of a robust and low-cost solar lantern. - Linda M. Head; Gay Canough; Ravi Prakash Ramachandran (IEEE Trans. Educ., 2002)

VLSI architecture for the efficient computation of line spectral frequencies. - David L. Reynolds; Linda M. Head; Ravi Prakash Ramachandran (ISCAS (3), 2003)

System observability and nonlinear parameter identification of nonylphenol biodegradation kinetics. - Vishal Shah; Aditya Chaubal; Ravi Prakash Ramachandran; Raúl Ordóñez; Kauser Jahan (ISCAS (3), 2003)

The competitive assessment laboratory: introducing engineering design via consumer product benchmarking. - Anthony J. Marchese; Ravi Prakash Ramachandran; Robert P. Hesketh; John L. Schmalzel; Heidi L. Newell (IEEE Trans. Educ., 2003)

Fusion of wavelet transform and color information features for automatic vehicle reidentification in intelligent transportation systems. - Glenn S. Arr; Carlos C. Sun; Ravi Prakash Ramachandran (ICASSP (5), 2004)

Fast adaptive component weighted cepstrum pole filtering for speaker identification. - Arthur L. Swanson; Ravi Prakash Ramachandran; Steven H. Chin (ISCAS (5), 2004)

An Alternative Approach For Obtaining 2D Discrete Filters By Cascading Sections Each Having Unity Degree In Each Variable. - Christian S. Gargour; Venkat Ramachandran; Ravi Prakash Ramachandran (J. Circuits Syst. Comput., 2004)

Vehicle Reidentification using multidetector fusion. - Carlos C. Sun; Glenn S. Arr; Ravi Prakash Ramachandran; Stephen G. Ritchie (IEEE Trans. Intell. Transp. Syst., 2004)

On the Properties And Design of Stable IIR Transfer Functions Generated Using Fibonnaci Numbers. - Christian S. Gargour; Venkat Ramachandran; Ravi Prakash Ramachandran (APCCAS, 2006)

Blind Determination of the Signal to Noise Ratio of Speech Signals Based on Estimation Combination of Multiple Features. - Russell Ondusko; Matthew Marbach; Andrew McClellan; Ravi Prakash Ramachandran; Linda M. Head; Mark C. Huggins; Brett Y. Smolenski (APCCAS, 2006)

A vector quantizer classifier for blind signal to noise ratio estimation of speech signals. - Russell Ondusko; Matthew Marbach; Ravi Prakash Ramachandran; Linda M. Head; Mark C. Huggins (ISCAS, 2006)

Nonylphenol biodegradation kinetics estimation using neural networks. - Rubeena Shaik; Raúl Ordóñez; Ravi Prakash Ramachandran (ISCAS, 2006)

Two-Dimensional Digital Filters with Variable Magnitude Characteristics Obtained from a 1-D Monotonic Response. - Venkat Ramachandran; Christian S. Gargour; Ravi Prakash Ramachandran (J. Comput., 2007)

New Z-Domain Continued Fraction Expansions Based on an Infinite Number of Mirror-Image and Anti-Mirror-Image Polynomial Decompositions. - Venkat Ramachandran; Ravi Prakash Ramachandran; Christian S. Gargour (J. Circuits Syst. Comput., 2008)

Neural Network Classifiers and Principal Component Analysis for Blind Signal to Noise Ratio Estimation of Speech Signals. - Matthew Marbach; Russell Ondusko; Ravi Prakash Ramachandran; Linda M. Head (ISCAS, 2009)

Fusion methods for boosting performance of speaker identification systems. - Gregory Ditzler; James Ethridge; Ravi Prakash Ramachandran; Robi Polikar (APCCAS, 2010)

The affine transform and feature fusion for robust speaker identification in the presence of speech coding distortion. - Robert W. Mudrowsky; Ravi Prakash Ramachandran; Sachin S. Shetty (APCCAS, 2010)

Blind channel estimation based robust physical layer key generation in MIMO networks. - Ravi Prakash Ramachandran; Sachin S. Shetty (ISCAS, 2010)

Creating an Agile ECE Learning Environment Through Engineering Clinics. - Peter Mark Jansson; Ravi Prakash Ramachandran; John L. Schmalzel; Shreekanth Mandayam (IEEE Trans. Educ., 2010)

Opportunistic spectrum access in multi-user multi-channel cognitive radio networks. - Sachin Shetty; Kodzo Agbedanu; Ravi Prakash Ramachandran (EUSIPCO, 2011)

Vertical Integration of System-on-Chip Concepts in the Digital Design Curriculum. - Ying Tang; Linda M. Head; Ravi Prakash Ramachandran; Lawrence M. Chatman (IEEE Trans. Educ., 2011)

Feature and Signal Enhancement for Robust Speaker Identification of G.729 Decoded Speech. - Kalpesh Raval; Ravi Prakash Ramachandran; Sachin S. Shetty; Brett Y. Smolenski (ICONIP (5), 2012)

Open-ended design and performance evaluation of a biometric speaker identification system. - Ravi Prakash Ramachandran; Robi Polikar; Kevin D. Dahm; Sachin S. Shetty (ISCAS, 2012)

Detection of anomalies in network traffic using L2E for accurate speaker recognition. - Umashanger Thayasivam; Sachin S. Shetty; Chinthaka Kuruwita; Ravi Prakash Ramachandran (MWSCAS, 2012)

Automated human behavioral analysis framework using facial feature extraction and machine learning. - Demiyan V. Smirnov; Sean Banger; Sara H. Davis; Rajani Muraleedharan; Ravi Prakash Ramachandran (ACSSC, 2013)

A freshman level module in biometric systems. - Sara H. Davis; Megan N. Frankle; Ravi Prakash Ramachandran; Kevin D. Dahm; Robi Polikar (ISCAS, 2013)

Speech based emotion recognition using spectral feature extraction and an ensemble of kNN classifiers. - Steven A. Rieger; Rajani Muraleedharan; Ravi Prakash Ramachandran (ISCSLP, 2014)

Rank-based frame classification for usable speech detection in speaker identification systems. - James Ethridge; Ravi Prakash Ramachandran (DSP, 2015)

A Comparison of Facial Features and Fusion Methods for Emotion Recognition. - Demiyan V. Smirnov; Rajani Muraleedharan; Ravi Prakash Ramachandran (ICONIP (4), 2015)

Robust L_2E Parameter Estimation of Gaussian Mixture Models: Comparison with Expectation Maximization. - Umashanger Thayasivam; Chinthaka Kuruwita; Ravi Prakash Ramachandran (ICONIP (3), 2015)

Distinguishing medical drugs from a large set of side effects using a distributed genetic algorithm on a PC cluster. - Fazal Noor; Majed Alhaisoni; Mashaan A. Alshammari; Ravi Prakash Ramachandran (ISCAS, 2015)

Robust speaker identification under noisy conditions using feature compensation and signal to noise ratio estimation. - Megan N. Frankle; Ravi Prakash Ramachandran (MWSCAS, 2016)

Robust speaker verification with a two classifier format and feature enhancement. - Joshua S. Edwards; Ravi Prakash Ramachandran; Umashanger Thayasivam (ISCAS, 2017)

Blind Signal-to-Noise Ratio Estimation of Speech Based on Vector Quantizer Classifiers and Decision Level Fusion. - Russell Ondusko; Matthew Marbach; Ravi Prakash Ramachandran; Linda M. Head (J. Signal Process. Syst., 2017)

Introducing Undergraduates to Pattern Recognition and Machine Learning through Speech Processing. - Ravi Prakash Ramachandran; Kevin D. Dahm; Nidhal C. Bouaynaya (ICASSP, 2019)

Guest Editorial: Algorithms and Architectures for Machine Learning Based Speech Processing. - Tokunbo Ogunfunmi; Ravi Prakash Ramachandran; Roberto Togneri; Brett Y. Smolenski; Visar Berisha (Circuits Syst. Signal Process., 2019)

A Primer on Deep Learning Architectures and Applications in Speech Processing. - Tokunbo Ogunfunmi; Ravi Prakash Ramachandran; Roberto Togneri; Yuanjun Zhao; Xianjun Xia (Circuits Syst. Signal Process., 2019)

Using Deep Speech Recognition to Evaluate Speech Enhancement Methods. - Shamoon Siddiqui; Ghulam Rasool 001; Ravi Prakash Ramachandran; Nidhal C. Bouaynaya (IJCNN, 2020)

Towards an Explainable Mortality Prediction Model. - Jacob R. Epifano; Ravi Prakash Ramachandran; Sharad Patel; Ghulam Rasool 001 (MLSP, 2020)

The Case Against Sentiment Analysis for Natural Text. - Shamoon Siddiqui; Ghulam Rasool 001; Ravi Prakash Ramachandran (IJCNN, 2021)

Robust Explainability: A tutorial on gradient-based attribution methods for deep neural networks. - Ian E. Nielsen; Dimah Dera; Ghulam Rasool 001; Ravi Prakash Ramachandran; Nidhal Carla Bouaynaya (IEEE Signal Process. Mag., 2022)

A Comparison of Feature Selection Techniques for First-day Mortality Prediction in the ICU. - Jacob R. Epifano; Alison Silvestri; Alexander Yu; Ravi Prakash Ramachandran; Aakash Tripathi; Ghulam Rasool 001 (ISCAS, 2023)

Targeted Background Removal Creates Interpretable Feature Visualizations. - Ian E. Nielsen; Erik Grundeland; Joseph Snedeker; Ravi Prakash Ramachandran; Ghulam Rasool 001 (MWSCAS, 2023)

EvalAttAI: A Holistic Approach to Evaluating Attribution Maps in Robust and Non-Robust Models. - Ian E. Nielsen; Ravi Prakash Ramachandran; Nidhal Bouaynaya; Hassan M. Fathallah-Shaykh; Ghulam Rasool 001 (IEEE Access, 2023)

Multimodal Data Integration for Oncology in the Era of Deep Neural Networks: A Review. - Asim Waqas; Aakash Tripathi; Ravi Prakash Ramachandran; Paul Stewart; Ghulam Rasool 001 (CoRR, 2023)

Deployment of a Robust and Explainable Mortality Prediction Model: The COVID-19 Pandemic and Beyond. - Jacob R. Epifano; Stephen Glass; Ravi Prakash Ramachandran; Sharad Patel; Aaron J. Masino; Ghulam Rasool 001 (CoRR, 2023)

Revisiting the fragility of influence functions. - Jacob R. Epifano; Ravi Prakash Ramachandran; Aaron J. Masino; Ghulam Rasool 001 (Neural Networks, 2023)

Transformers in Time-Series Analysis: A Tutorial. - Sabeen Ahmed; Ian E. Nielsen; Aakash Tripathi; Shamoon Siddiqui; Ravi Prakash Ramachandran; Ghulam Rasool 001 (Circuits Syst. Signal Process., 2023)

Efficient Scaling of Bayesian Neural Networks. - Jacob R. Epifano; Timothy Duong; Ravi Prakash Ramachandran; Ghulam Rasool 001 (IEEE Access, 2024)

Multimodal data integration for oncology in the era of deep neural networks: a review. - Asim Waqas; Aakash Tripathi; Ravi Prakash Ramachandran; Paul A. Stewart; Ghulam Rasool 001 (Frontiers Artif. Intell., 2024)

Explainable AI in Genomics: Transcription Factor Binding Site Prediction with Mixture of Experts. - Aakash Tripathi; Ian E. Nielsen; Muhammad Umer; Ravi Prakash Ramachandran; Ghulam Rasool 001 (CoRR, 2025)