Sunil Kumar Kopparapu

Orcid: 0000-0002-0502-527X

According to our database1, Sunil Kumar Kopparapu authored at least 128 papers between 1998 and 2024.

Collaborative distances:
  • Dijkstra number2 of five.
  • Erdős number3 of four.

Timeline

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Bibliography

2024
Spoken Grammar Assessment Using LLM.
CoRR, 2024

A Cost Minimization Approach to Fix the Vocabulary Size in a Tokenizer for an End-to-End ASR System.
Proceedings of the Pattern Recognition - 27th International Conference, 2024

Challenges and Opportunities Designing Voice User Interfaces for Emergent Users.
Proceedings of the Human-Computer Interaction, 2024

Joint Class Learning with Self Similarity Projection for EEG Emotion Recognition.
Proceedings of the 7th Joint International Conference on Data Science & Management of Data (11th ACM IKDD CODS and 29th COMAD), 2024

2023
AIR-RS-DB: All India Radio Read and Spontaneous Speech Data Base.
Dataset, September, 2023

Candidate Speech Extraction from Multi-speaker Single-Channel Audio Interviews.
Proceedings of the Speech and Computer - 25th International Conference, 2023

A Novel Scheme to Classify Read and Spontaneous Speech.
Proceedings of the Speech and Computer - 25th International Conference, 2023

Harnessing Speech Technology for Mental Health Assessment and Detection.
Proceedings of the 2023 Workshop on Speech, Music and Mind, 2023

A Novel Metric For Evaluating Audio Caption Similarity.
Proceedings of the IEEE International Conference on Acoustics, 2023

Modeling of Olfactory Brainwaves for Odour Independent Biometric Identification.
Proceedings of the 31st European Signal Processing Conference, 2023

Oral Fluency Classification for Speech Assessment.
Proceedings of the 31st European Signal Processing Conference, 2023

Tempo-Spectral EEG Biomarkers for Odour Identification.
Proceedings of the 45th Annual International Conference of the IEEE Engineering in Medicine & Biology Society, 2023

2022
Text-to-Audio Grounding Based Novel Metric for Evaluating Audio Caption Similarity.
CoRR, 2022

Computing Optimal Location of Microphone for Improved Speech Recognition.
CoRR, 2022

Spectro Temporal EEG Biomarkers For Binary Emotion Classification.
CoRR, 2022

Automatic Audio Captioning using Attention weighted Event based Embeddings.
CoRR, 2022

Synthetic speech detection using meta-learning with prototypical loss.
CoRR, 2022

Calibration free meta learning based approach for subject independent EEG emotion recognition.
Biomed. Signal Process. Control., 2022

Using Performance of ASR to Compute Optimal Location of Microphone.
Proceedings of the IEEE International Conference on Signal Processing and Communications, 2022

Improved Language Models for ASR using Written Language Text.
Proceedings of the 27th National Conference on Communications, 2022

Acoustic Model Adaptation In Reverberant Conditions Using Multi-task Learned Embeddings.
Proceedings of the 30th European Signal Processing Conference, 2022

2021
Improving Indian Spoken-Language Identification by Feature Selection in Duration Mismatch Framework.
SN Comput. Sci., 2021

Automatic speaker independent dysarthric speech intelligibility assessment system.
Comput. Speech Lang., 2021

Semi Supervised Learning For Few-shot Audio Classification By Episodic Triplet Mining.
CoRR, 2021

An AI-Based Detection System for Mudrabharati: A Novel Unified Fingerspelling System for Indic Scripts.
Proceedings of the Text, Speech, and Dialogue - 24th International Conference, 2021

Contrastive Learning of Cough Descriptors for Automatic COVID-19 Preliminary Diagnosis.
Proceedings of the 22nd Annual Conference of the International Speech Communication Association, Interspeech 2021, Brno, Czechia, August 30, 2021

Impact of Microphone position Measurement Error on Multi Channel Distant Speech Recognition & Intelligibility.
Proceedings of the 18th International Conference on Natural Language Processing (ICON 2021), National Institute of Technology Silchar, Silchar, India, December 16, 2021

Deep Lung Auscultation Using Acoustic Biomarkers for Abnormal Respiratory Sound Event Detection.
Proceedings of the IEEE International Conference on Acoustics, 2021

2020
iNoise Indian Noise Database.
Dataset, April, 2020

Robust Phonetic Segmentation Using Spectral Transition measure for Non-Standard Recording Environments.
CoRR, 2020

Identification of Dementia Using Audio Biomarkers.
CoRR, 2020

Ranking Contact Center Conversations using Dynamic Programming based Pattern Matching.
Proceedings of the 2020 Workshop on Speech, Music and Mind, 2020

Effect of Microphone Position Measurement Error on RIR and its Impact on Speech Intelligibility and Quality.
Proceedings of the 21st Annual Conference of the International Speech Communication Association, 2020

A Novel Adaptive Minority Oversampling Technique for Improved Classification in Data Imbalanced Scenarios.
Proceedings of the 25th International Conference on Pattern Recognition, 2020

A Novel Approach for Intelligibility Assessment in Dysarthric Subjects.
Proceedings of the 2020 IEEE International Conference on Acoustics, 2020

Improved Speaker Independent Dysarthria Intelligibility Classification Using Deepspeech Posteriors.
Proceedings of the 2020 IEEE International Conference on Acoustics, 2020

Multi-Conditioning and Data Augmentation Using Generative Noise Model for Speech Emotion Recognition in Noisy Conditions.
Proceedings of the 2020 IEEE International Conference on Acoustics, 2020

Deep Encoded Linguistic and Acoustic Cues for Attention Based End to End Speech Emotion Recognition.
Proceedings of the 2020 IEEE International Conference on Acoustics, 2020

Dementia Classification using Acoustic Descriptors Derived from Subsampled Signals.
Proceedings of the 28th European Signal Processing Conference, 2020

CNN based Parkinson's Disease Assessment using Empirical Mode Decomposition.
Proceedings of the CIKM 2020 Workshops co-located with 29th ACM International Conference on Information and Knowledge Management (CIKM 2020), 2020

2019
A Fuzzy Approach to Mute Sensitive Information in Noisy Audio Conversations.
Computación y Sistemas, 2019

A Cycle-GAN Approach to Model Natural Perturbations in Speech for ASR Applications.
CoRR, 2019

A Deep Learning approach for Hindi Named Entity Recognition.
CoRR, 2019

Label-Driven Time-Frequency Masking for Robust Speech Command Recognition.
Proceedings of the Text, Speech, and Dialogue - 22nd International Conference, 2019

Front-End Feature Compensation and Denoising for Noise Robust Speech Emotion Recognition.
Proceedings of the 20th Annual Conference of the International Speech Communication Association, 2019

End-to-End Spoken Language Understanding: Bootstrapping in Low Resource Scenarios.
Proceedings of the 20th Annual Conference of the International Speech Communication Association, 2019

Improving ASR Robustness to Perturbed Speech Using Cycle-consistent Generative Adversarial Networks.
Proceedings of the IEEE International Conference on Acoustics, 2019

Front-End Feature Compensation for Noise Robust Speech Emotion Recognition.
Proceedings of the 27th European Signal Processing Conference, 2019

Identification of Alzheimer's Disease using Non-linguistic Audio Descriptors.
Proceedings of the 27th European Signal Processing Conference, 2019

2018
User attitude towards novel biometric system and usability analysis.
Int. J. Biom., 2018

Sentiment Classification on Erroneous ASR Transcripts: A Multi View Learning Approach.
Proceedings of the 2018 IEEE Spoken Language Technology Workshop, 2018

Robust Front-End Processing For Emotion Recognition In Noisy Speech.
Proceedings of the 11th International Symposium on Chinese Spoken Language Processing, 2018

Data Augmentation Using Healthy Speech for Dysarthric Speech Recognition.
Proceedings of the 19th Annual Conference of the International Speech Communication Association, 2018

Analysis of the Effect of Speech-Laugh on Speaker Recognition System.
Proceedings of the 19th Annual Conference of the International Speech Communication Association, 2018

Dysarthric Speech Recognition Using Time-delay Neural Network Based Denoising Autoencoder.
Proceedings of the 19th Annual Conference of the International Speech Communication Association, 2018

A Novel Data Representation for Effective Learning in Class Imbalanced Scenarios.
Proceedings of the Twenty-Seventh International Joint Conference on Artificial Intelligence, 2018

An Unsupervised frame Selection Technique for Robust Emotion Recognition in Noisy Speech.
Proceedings of the 26th European Signal Processing Conference, 2018

FEMH Voice Data Challenge: Voice disorder Detection and Classification using Acoustic Descriptors.
Proceedings of the IEEE International Conference on Big Data (IEEE BigData 2018), 2018

Knowledge-Driven Feed-Forward Neural Network for Audio Affective Content Analysis.
Proceedings of the Workshops of the The Thirty-Second AAAI Conference on Artificial Intelligence, 2018

Friendly Interfaces Between Humans and Machines
Springer, ISBN: 978-981-13-1749-1, 2018

2017
A spoof resistant multibiometric system based on the physiological and behavioral characteristics of fingerprint.
Pattern Recognit., 2017

A Novel Approach for Effective Learning in Low Resourced Scenarios.
CoRR, 2017

Adapting general-purpose speech recognition engine output for domain-specific natural language question answering.
CoRR, 2017

Improved I-vector-based Speaker Recognition for Utterances with Speaker Generated Non-speech sounds.
CoRR, 2017

k-FFNN: A priori knowledge infused Feed-forward Neural Networks.
CoRR, 2017

Study of Imposter Attacks on Novel Fingerprint Dynamics Based Verification System.
IEEE Access, 2017

Phonetic Segmentation Using Knowledge from Visual and Perceptual Domain.
Proceedings of the Text, Speech, and Dialogue - 20th International Conference, 2017

Methods and challenges for creating an emotional audio-visual database.
Proceedings of the 20th Conference of the Oriental Chapter of the International Coordinating Committee on Speech Databases and Speech I/O Systems and Assessment, 2017

Deep Autoencoder Based Speech Features for Improved Dysarthric Speech Recognition.
Proceedings of the 18th Annual Conference of the International Speech Communication Association, 2017

MoPAReST - Mobile Phone Assisted Remote Speech Therapy Platform.
Proceedings of the 18th Annual Conference of the International Speech Communication Association, 2017

Improved speaker recognition system for stressed speech using deep neural networks.
Proceedings of the 2017 International Joint Conference on Neural Networks, 2017

Correcting General Purpose ASR Errors using Posteriors.
Proceedings of the 14th International Conference on Natural Language Processing, 2017

Automatic assessment of dysarthria severity level using audio descriptors.
Proceedings of the 2017 IEEE International Conference on Acoustics, 2017

Analyzing Emotion in Spontaneous Speech
Springer, ISBN: 978-981-10-7673-2, 2017

2016
A Mobile Phone based Speech Therapist.
CoRR, 2016

Improving Recognition of Dysarthric Speech Using Severity Based Tempo Adaptation.
Proceedings of the Speech and Computer - 18th International Conference, 2016

Validating "Is ECC-ANN combination equivalent to DNN?" for speech emotion recognition.
Proceedings of the 2016 IEEE International Conference on Systems, Man, and Cybernetics, 2016

Mining Call Center Conversations exhibiting Similar Affective States.
Proceedings of the 30th Pacific Asia Conference on Language, Information and Computation, 2016

Knowledge-based Framework for Intelligent Emotion Recognition in Spontaneous Speech.
Proceedings of the Knowledge-Based and Intelligent Information & Engineering Systems: Proceedings of the 20th International Conference KES-2016, 2016

Recognition of Dysarthric Speech Using Voice Parameters for Speaker Adaptation and Multi-Taper Spectral Estimation.
Proceedings of the 17th Annual Conference of the International Speech Communication Association, 2016

Repairing General-Purpose ASR Output to Improve Accuracy of Spoken Sentences in Specific Domains Using Artificial Development Approach.
Proceedings of the Twenty-Fifth International Joint Conference on Artificial Intelligence, 2016

Spontaneous speech emotion recognition using prior knowledge.
Proceedings of the 23rd International Conference on Pattern Recognition, 2016

Improved speech emotion recognition using error correcting codes.
Proceedings of the 2016 IEEE International Conference on Multimedia & Expo Workshops, 2016

Automatic ranking of essays using structural and semantic features.
Proceedings of the 2016 International Conference on Advances in Computing, 2016

Feature selection for novel fingerprint dynamics biometric technique based on PCA.
Proceedings of the 2016 International Conference on Advances in Computing, 2016

Robust phonetic segmentation using multi-taper spectral estimation for noisy and clipped speech.
Proceedings of the 24th European Signal Processing Conference, 2016

2015
Mobile Phone Based Vehicle License Plate Recognition for Road Policing.
CoRR, 2015

Online Handwritten Devanagari Stroke Recognition Using Extended Directional Features.
CoRR, 2015

On-line Handwritten Devanagari Character Recognition using Fuzzy Directional Features.
CoRR, 2015

Knowledge driven Offline to Online Script Conversion.
CoRR, 2015

A Metric to Classify Style of Spoken Speech.
CoRR, 2015

A Rule-Based Short Query Intent Identification System.
CoRR, 2015

A Multi-criteria Text Selection Approach for Building a Speech Corpus.
Proceedings of the Text, Speech, and Dialogue - 18th International Conference, 2015

TCS-ILAB - MediaEval 2015: Affective Impact of Movies and Violent Scene Detection.
Proceedings of the Working Notes Proceedings of the MediaEval 2015 Workshop, 2015

Viseme comparison based on phonetic cues for varying speech accents.
Proceedings of the 16th Annual Conference of the International Speech Communication Association, 2015

2014
Automatic Segmentation of Broadcast News Audio using Self Similarity Matrix.
CoRR, 2014

On the use of Stress information in Speech for Speaker Recognition.
CoRR, 2014

Optimal Gaussian Filter for Effective Noise Filtering.
CoRR, 2014

Music and Vocal Separation Using Multi-Band Modulation Based Features.
CoRR, 2014

A Framework for On-Line Devanagari Handwritten Character Recognition.
CoRR, 2014

Basis Identification for Automatic Creation of Pronunciation Lexicon for Proper Names.
CoRR, 2014

Modified Mel Filter Bank to Compute MFCC of Subsampled Speech.
CoRR, 2014

Two Approaches for Mobile Phone Image Insignia Identification.
Proceedings of the Advances in Signal Processing and Intelligent Recognition Systems, 2014

Digitization of Hindi photo articulation test for speech sound disorders.
Proceedings of the 8th International Conference on Pervasive Computing Technologies for Healthcare, 2014

2013
SpeakRite: Monitoring Speaking Rate in Real Time on a Mobile Phone.
Int. J. Mob. Hum. Comput. Interact., 2013

Recognition of subsampled speech using a modified Mel filter bank.
Comput. Electr. Eng., 2013

An Optimization Approach to Identify the Best Sell Market.
Proceedings of the 15th International Conference on Computer Modelling and Simulation, 2013

A suite of mobile applications to assist speaking at right speed.
Proceedings of the ISCA International Workshop on Speech and Language Technology in Education, 2013

Visual Subtitles for Internet Videos.
Proceedings of the Fourth Workshop on Speech and Language Processing for Assistive Technologies, 2013

Technique for automatic sentence level alignment of long speech and transcripts.
Proceedings of the 14th Annual Conference of the International Speech Communication Association, 2013

Unsupervised clustering technique to harness ideas from an Ideas Portal.
Proceedings of the International Conference on Advances in Computing, 2013

2011
Readable Image for the Visually Impaired.
Proceedings of the Universal Access in Human-Computer Interaction. Applications and Services, 2011

Evaluating the Performance of a Speech Recognition Based System.
Proceedings of the Advances in Computing and Communications, 2011

Enhanced Quality of Experience through IVR Mashup to Access Same Service Multiple Operator Services.
Proceedings of the Advances in Computing and Communications, 2011

2010
Multimodal Indexing of Multilingual News Video.
Int. J. Digit. Multim. Broadcast., 2010

Choice of Mel filter bank in computing MFCC of a resampled speech.
Proceedings of the 10th International Conference on Information Sciences, 2010

Evaluating Robustness of a Rule-Based System.
Proceedings of the 2010 International Conference on Artificial Intelligence, 2010

Indexing of multilingual news telecast using audio-visual keywords.
Proceedings of the 2nd European Workshop on Visual Information Processing, 2010

2009
A robust speech biometric system for vehicle access.
Proceedings of the IEEE International Conference on Vehicular Electronics and Safety, 2009

2008
Voice Based Self Help System: User Experience Vs Accuracy.
Proceedings of the Innovations and Advances in Computer Sciences and Engineering, 2008

2007
SMS based natural language interface to yellow pages directory.
Proceedings of the 4th International Conference on Mobile Technology, 2007

Minimal Parsing Key Concept Based Question Answering System.
Proceedings of the Human-Computer Interaction. HCI Intelligent Multimodal Interaction Environments, 2007

2006
Lighting design for machine vision application.
Image Vis. Comput., 2006

2001
The Effect of Noise on Camera Calibration Parameters.
Graph. Model., 2001

2000
Behaviour of image degradation model in multiresolution.
Signal Process., 2000

1999
Imaging model at different resolutions.
Proceedings of the ISSPA '99. Proceedings of the Fifth International Symposium on Signal Processing and its Applications, 1999

The Effect of Measurement Noise on Intrinsic Camera Calibration Parameters.
Proceedings of the 1999 IEEE International Conference on Robotics and Automation, 1999

1998
The Effect of Measurement Noise on Camera Calibration Matrix.
Proceedings of the Image and Vision Computing New Zealand, International Conference, 1998


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