Conference
2024
A. Chaudhary and V. Abrol, "QGAN: Low Footprint Quaternion Neural Vocoder for Speech Synthesis," in 25th ISCA Annual Conference (INTERSPEECH), 2023, Kos, Greece.
A. Chaudhary, A. Singh, M. D. Plumbley and V. Abrol, "Efficient CNNs with Quaternion Transformations and Pruning for Audio Tagging," in 25th ISCA Annual Conference (INTERSPEECH), 2023, Kos, Greece.
R. Buragohain, K. Nathwani, S. R. Devasahayam, V. Abrol, "DBCIE: A Database for Brain-Computer Interface Using Electrophysiological Signal.," International Conference on Signal Processing and Communications (SPCOM), Bangalore, India, 2024.
2023
Suryaka Suresh, Vinayak Abrol, Anshul Thakur, "Pitfalls in Measuring Neural Transferability.," NeurIPS workshop on Symmetry and Geometry in Neural Representations, 2023, New Orleans, USA.
Siddhant R. Viksit and Vinayak Abrol, "Multi-Layer Acoustic & Linguistic Feature Fusion for ComParE-23 Emotion and Requests Challenge.," In Proceedings of the 31st ACM International Conference on Multimedia (ACM-MM), 2023, Ottawa, Canada. [ComParE-23 Grand Challenge]
A. Chaudhary and V. Abrol, "Towards on-device keyword spotting using low-footprint Quaternion neural models," in IEEE Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA), 2023, New Paltz, USA.
Y. Thakran and V. Abrol, "Investigating Acoustic Cues for Multilingual Abuse Detection," in 24th ISCA Annual Conference (INTERSPEECH), 2023, Dublin, Ireland.
E. Massart and V. Abrol, “Coordinate descent on the Stiefel manifold for deep neural network training”, 31st European Symposium on Artificial Neural Networks, Computational Intelligence and Machine Learning (ESANN), 2023, Bruges, Belgium.
R. Biswas, K. Nathwani, V. Abrol, "Near-End Intelligibility Improvement Through Voice Transformation In Transfer Learning Framework," 31st European Signal Processing Conference (EUSIPCO), 2023, Helsinki, Finland.
2022
A. Thakur, V. Abrol, P. Sharma, "Does Geometric Structure in Convolutional Filter Space Provide Filter Redundancy Information?," NeurIPS workshop on Symmetry and Geometry in Neural Representations, 2022, New Orleans, USA.
V. Singh, V. Abrol and K. Nathwani, "On Spectral and Temporal Feature Encoding Behaviour in Stacked Architectures," NeurIPS workshop on Efficient Natural Language and Speech Processing (ENLSP), 2022, New Orleans, USA.
E. Massart and V. Abrol, "Coordinate Descent on the Orthogonal Group for Recurrent Neural Network Training", AAAI Conference on Artificial Intelligence, 2022, Vancouver, Canada.
D. Gupta and V. Abrol, ''Time-Frequency and Geometric Analysis of Task Dependent Learning in Raw Waveform based Acoustic Models'', in 47th IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) 2022, Singapore.
P. Kumar, K. Nathwani, V. Abrol, S. Kumar, "Compressive Self-Noise Cancellation in Underwater Acoustics", Sensor Signal Processing for Defence (SSPD) 2022.
2021
R. Biswas, K. Nathwani and V. Abrol, "Transfer Learning for Speech Intelligibility Improvement in Noisy Environments ", in 22nd ISCA Annual Conference (INTERSPEECH), 2021, Bruno, Czech Republic.
S. Jindal, K. Nathwani and V. Abrol, "Classification of Infant Behavioural Traits using Acoustic Cry: An Empirical Study", in 12th International Symposium on Image and Signal Processing and Analysis (ISISPA), 2021, Zagreb, Croatia.
2020
V. Abrol and P. Sharma, "A Geometric Approach to Archetypal Analysis via Sparse Projections" in ICML, 2020, Vienna, Austria.
V. Abrol, and J. Tanner, "Information-Bottleneck under Mean Field Initialization" in ICML Workshop on Uncertainty & Robustness in Deep Learning , 2020, Vienna, Austria PDF
2019
G. Ughi, V. Abrol, J. Tanner "A Model-Based Derivative-Free Approach to Black-Box Adversarial Examples: BOBYQA" in NeurIPS workshop on Beyond First-Order Optimization Methods in Machine Learning, 2019, Vancouver, Canada.
V. Abrol, S. Pavankumar Dubagunta, M. Magimai.-Doss, "Understanding Raw Waveform based CNN through Low-rank Spectro-Temporal Decoupling" in Swiss Machine Learning Workshop, 2019, EPFL, Switzerland.
H. Muckenhirn, V. Abrol, M. Magimai.-Doss and S. Marcel, "Understanding and Visualizing Raw Waveform-based CNNs" in 20th ISCA Annual Conference (INTERSPEECH), 2019, Graz, Austria.
A. Thakur, P. Sharma, V. Abrol and P. Rajan, "CONV-CODES: audio hashing for bird species classification" in 44th IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) 2019, Brighton, UK.
2018
P. Sharma, V. Abrol, and A. Thakur, "ASe: Acoustic scene embedding using Deep archetypal analysis and GMM", in 19th ISCA Annual Conference (INTERSPEECH), 2018, Hyderabad, India
A. Thakur, V. Abrol, P. Sharma and P. Rajan, "Deep Convex Representations: Feature Representations for Bioacoustics Classification", in 19th ISCA Annual Conference (INTERSPEECH), 2018, Hyderabad, India
A. Thakur, V. Abrol, P. Sharma, and P. Rajan, "Compressed Convex Spectral Embedding For Bird Species Classification", in 43rd IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) 2018, Calgary, USA.
D. Dutta, V. Abrol, A. K. Sao, B. Biswal, "The model order Limit ! Deep sparse factorization for resting brain", in 14th IEEE International Symposium on Biomedical Imaging (ISBI), 2018, Washington, D.C., USA.
D. Dutta, V. Abrol, A. K. Sao, B. Biswal, "A novel spatial-temporal approach for fast analysis of multi-subject resting state fMRI data", in 14th IEEE International Symposium on Biomedical Imaging (ISBI), 2018, Washington, D.C., USA.
2017
D. Dutta, V. Abrol, A. K. Sao “ EVD Assisted ICA Study of Optimally Thresholded Resting State fMRI Data", in Brain Modes, 2017, Gurgaon, India.
A. Thakur, V. Abrol, P. Sharma, and P. Rajan, "Renyi entropy based mutual information for bird vocalization segmentation", in IEEE workshop on Machine learning in signal processing (MLSP) 2017, Tokyo, Japan.
V. Abrol, P. Sharma, A. Thakur, P. Rajan, A. D. Dileep and A. K. Sao, "Archetypal analysis based sparse convex sequence kernel for bird activity detection", in 25th European Signal Processing Conference (EUSIPCO), 2017, Kos Island, Greece.
P. Sharma, V. Abrol, A. D. Dileep and A. K. Sao, "Class specific GMM based sparse feature for speech unit classification", in 25th European Signal Processing Conference (EUSIPCO), 2017, Kos Island, Greece.
V. Abrol, P. Sharma and A. K. Sao, "Finding Archetypes by Exploiting Sparsity of Convex Representations", in 6th Signal Processing with Adaptive Sparse Structured Representations (SPARS) workshop, 2017, Lisbon, Portugal.
V. Abrol, P. Sharma and A. K. Sao, "Fast exemplar selection algorithm for matrix approximation and representation: A variant oASIS algorithm", in 42nd IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) , 2017, New Orleans, USA. PDF Code
2016
V. Abrol, P. Sharma, Shahrooz F. Roohi, A. K. Sao and Ashraf A. Kassim, "Fast and robust fMRI unmixing using hierarchical dictionary learning", in 23rd IEEE International Conference on Image Processing (ICIP), 2016, Phoenix, USA. PDF
V. Abrol, P. Sharma and A. K. Sao, "Randomness is sufficient! Approximate recovery from CS samples", in 3rd International Traveling Workshop on Interactions between Sparse Models and technology (iTWIST), 2016, Aalborg, Denmark.
V. Abrol, P. Sharma and A. K. Sao, "Making Sense of Randomness: Fast Signal Recovery from Compressive Samples", in 24th European Signal Processing Conference (EUSIPCO), 2016, Budapest, Hungary. PDF
P. Sharma and V. Abrol and A. Sachdev and A. D. Dileep and A. K. Sao, "Speech emotion recognition using kernel sparse representation based classifier", in 24th European Signal Processing Conference (EUSIPCO), 2016, Budapest, Hungary. PDF
P. Sharma, V. Abrol and A. K. Sao, "Learned dictionaries for sparse representation based unit selection speech synthesis", in 22nd IEEE National Conference on Communication (NCC), 2016, Guwahati, India.
2015
P. Sharma, V. Abrol, A. D. Dileep and A. K. Sao, "Sparse coding based features for speech units classification", in ISCA 16th Annual Conference (INTERSPEECH), 2015, Dresden, Germany. PDF
P. Sharma, V. Abrol and A. K. Sao, "Compressed sensing for unit selection based Speech Synthesis", in 23rd European Signal Processing Conference (EUSIPCO), 2015, Nice, France.
P. Sharma, V. Abrol and A. K. Sao, "Supervised speech enhancement using compressed sensing", in 21st IEEE National Conference on Communication (NCC), 2015, Mumbai, India.
2013
V. Abrol, P. Sharma and A. K. Sao, "Speech enhancement using compressed sensing", in ISCA 14th Annual Conference (INTERSPEECH), August, 2013, Lyon, France. PDF