Sandro Cumani

65 papers A 15C 2Misc 15Journal 20Unranked 11
YearRankTypeTitle / Venue / Authors
2025 A conf
A Copula-Based Generative Score-Level Fusion Model for Speaker Verification.
INTERSPEECH
Sandro Cumani
2025 A conf
Analysis of ABC Frontend Audio Systems for the NIST-SRE24.
INTERSPEECH
Sara Barahona, Anna Silnova, Ladislav Mosner, Junyi Peng, Oldrich Plchot, Johan Rohdin, Lin Zhang, Jiangyu Han, Petr Pálka, Federico Landini, Lukás Burget, Themos Stafylakis, Sandro Cumani, Dominik Bobos, Miroslav Hlavácek, Martin Kodovsky, Tomás Pavlícek
2025 J jnl
Analysis of ABC Frontend Audio Systems for the NIST-SRE24.
CoRR
Sara Barahona, Anna Silnova, Ladislav Mosner, Junyi Peng, Oldrich Plchot, Johan Rohdin, Lin Zhang, Jiangyu Han, Petr Pálka, Federico Landini, Lukás Burget, Themos Stafylakis, Sandro Cumani, Dominik Bobos, Miroslav Hlavácek, Martin Kodovsky, Tomás Pavlícek
2025 A conf
Analysis of the ABC Classification Backends for NIST SRE24.
INTERSPEECH
Sandro Cumani, Anna Silnova, Sara Barahona, Ladislav Mosner, Oldrich Plchot, Johan Rohdin
2025 — conf
Privacy Preserving Data Selection for Bias Mitigation in Speech Models.
ACL (6)
Alkis Koudounas, Eliana Pastor, Vittorio Mazzia, Manuel Giollo, Thomas Gueudré, Elisa Reale, Luca Cagliero, Sandro Cumani, Luca de Alfaro, Elena Baralis, Daniele Amberti
2024 — conf
Leveraging Confidence Models for Identifying Challenging Data Subgroups in Speech Models.
ICASSP Workshops
Alkis Koudounas, Eliana Pastor, Vittorio Mazzia, Manuel Giollo, Thomas Gueudré, Elisa Reale, Giuseppe Attanasio, Luca Cagliero, Sandro Cumani, Luca de Alfaro, Elena Baralis, Daniele Amberti
2024 J jnl
Towards Comprehensive Subgroup Performance Analysis in Speech Models.
IEEE ACM Trans. Audio Speech Lang. Process.
Alkis Koudounas, Eliana Pastor, Giuseppe Attanasio, Vittorio Mazzia, Manuel Giollo, Thomas Gueudré, Elisa Reale, Luca Cagliero, Sandro Cumani, Luca de Alfaro, Elena Baralis, Daniele Amberti
2023 A conf
Description and analysis of the KPT system for NIST Language Recognition Evaluation 2022.
INTERSPEECH
Salvatore Sarni, Sandro Cumani, Sabato Marco Siniscalchi, Andrea Bottino
2023 A conf
From adaptive score normalization to adaptive data normalization for speaker verification systems.
INTERSPEECH
Sandro Cumani, Salvatore Sarni
2023 J jnl
The Distributions of Uncalibrated Speaker Verification Scores: A Generative Model for Domain Mismatch and Trial-Dependent Calibration.
IEEE ACM Trans. Audio Speech Lang. Process.
Sandro Cumani, Salvatore Sarni
2022 J jnl
I4U System Description for NIST SRE'20 CTS Challenge.
CoRR
Kong Aik Lee, Tomi Kinnunen, Daniele Colibro, Claudio Vair, Andreas Nautsch, Hanwu Sun, Liang He, Tianyu Liang, Qiongqiong Wang, Mickael Rouvier, Pierre-Michel Bousquet, Rohan Kumar Das, Ignacio Viñals Bailo, Meng Liu, Héctor Deldago, Xuechen Liu, Md. Sahidullah, Sandro Cumani, Boning Zhang, Koji Okabe, Hitoshi Yamamoto, Ruijie Tao, Haizhou Li, Alfonso Ortega Giménez, Longbiao Wang, Luis Buera
2022 — conf
Impostor Score Statistics as Quality Measures for the Calibration of Speaker Verification Systems.
Odyssey
Sandro Cumani, Salvatore Sarni
2021 A conf
A Generative Model for Duration-Dependent Score Calibration.
Interspeech
Sandro Cumani, Salvatore Sarni
2021 — ed.
Increasing Naturalness and Flexibility in Spoken Dialogue Interaction - 10th International Workshop on Spoken Dialogue Systems, IWSDS 2019, Syracuse, Sicily, Italy, 24-26 April 2019.
IWSDS
Erik Marchi, Sabato Marco Siniscalchi, Sandro Cumani, Valerio Mario Salerno, Haizhou Li
2021 J jnl
On the Distribution of Speaker Verification Scores: Generative Models for Unsupervised Calibration.
IEEE ACM Trans. Audio Speech Lang. Process.
Sandro Cumani
2021 J jnl
Tackling Age-Invariant Face Recognition With Non-Linear PLDA and Pairwise SVM.
IEEE Access
Pablo Negri, Sandro Cumani, Andrea Bottino
2019 J jnl
Exact memory-constrained UPGMA for large scale speaker clustering.
Pattern Recognit.
Sandro Cumani, Pietro Laface
2019 A conf
Normal Variance-Mean Mixtures for Unsupervised Score Calibration.
INTERSPEECH
Sandro Cumani
2019 Misc conf
Tied Normal Variance-Mean Mixtures for Linear Score Calibration.
ICASSP
Sandro Cumani, Pietro Laface
2018 — conf
Analysis of BUT-PT Submission for NIST LRE 2017.
Odyssey
Oldrich Plchot, Pavel Matejka, Ondrej Novotný, Sandro Cumani, Alicia Lozano-Diez, Josef Slavícek, Mireia Díez, Frantisek Grézl, Ondrej Glembek, Mounika Kamsali, Anna Silnova, Lukás Burget, Lucas Ondel, Santosh Kesiraju, Johan Rohdin
2018 J jnl
Scoring Heterogeneous Speaker Vectors Using Nonlinear Transformations and Tied PLDA Models.
IEEE ACM Trans. Audio Speech Lang. Process.
Sandro Cumani, Pietro Laface
2018 J jnl
Speaker Recognition Using e-Vectors.
IEEE ACM Trans. Audio Speech Lang. Process.
Sandro Cumani, Pietro Laface
2017 — conf
Assessing Transfer Learning on Convolutional Neural Networks for Patch-Based Fingerprint Liveness Detection.
IJCCI (Selected Papers)
Amirhosein Toosi, Sandro Cumani, Andrea Bottino
2017 C conf
CNN Patch-Based Voting for Fingerprint Liveness Detection.
IJCCI
Amirhosein Toosi, Sandro Cumani, Andrea Bottino
2017 J jnl
Feature Fusion for Fingerprint Liveness Detection: a Comparative Study.
IEEE Access
Amirhosein Toosi, Andrea Bottino, Sandro Cumani, Pablo Negri, Pietro Luca Sottile
2017 J jnl
Joint Estimation of PLDA and Nonlinear Transformations of Speaker Vectors.
IEEE ACM Trans. Audio Speech Lang. Process.
Sandro Cumani, Pietro Laface
2017 J jnl
Nonlinear I-Vector Transformations for PLDA-Based Speaker Recognition.
IEEE ACM Trans. Audio Speech Lang. Process.
Sandro Cumani, Pietro Laface
2017 A conf
Nuance - Politecnico di Torino's 2016 NIST Speaker Recognition Evaluation System.
INTERSPEECH
Daniele Colibro, Claudio Vair, Emanuele Dalmasso, Kevin Farrell, Gennady Karvitsky, Sandro Cumani, Pietro Laface
2017 Misc conf
e-vectors: JFA and i-vectors revisited.
ICASSP
Sandro Cumani, Pietro Laface
2016 — conf
BAT System Description for NIST LRE 2015.
Odyssey
Oldrich Plchot, Pavel Matejka, Ondrej Glembek, Radek Fér, Ondrej Novotný, Jan Pesán, Lukás Burget, Niko Brummer, Sandro Cumani
2016 Misc conf
Discriminative multi-domain PLDA for speaker verification.
ICASSP
Alexey Sholokhov, Tomi Kinnunen, Sandro Cumani
2016 — conf
I-vector transformation and scaling for PLDA based speaker recognition.
Odyssey
Sandro Cumani, Pietro Laface
2015 A conf
Exploiting i-vector posterior covariances for short-duration language recognition.
INTERSPEECH
Sandro Cumani, Oldrich Plchot, Radek Fér
2015 J jnl
Fast Scoring of Full Posterior PLDA Models.
IEEE ACM Trans. Audio Speech Lang. Process.
Sandro Cumani
2015 Misc conf
Memory-aware i-vector extraction by means of sub-space factorization.
ICASSP
Sandro Cumani, Pietro Laface
2015 C conf
On Multiview Analysis for Fingerprint Liveness Detection.
CIARP
Amirhosein Toosi, Sandro Cumani, Andrea Bottino
2015 A conf
Speaker recognition by means of acoustic and phonetically informed GMMs.
INTERSPEECH
Sandro Cumani, Pietro Laface, Farzana Kulsoom
2014 J jnl
Factorized Sub-Space Estimation for Fast and Memory Effective I-vector Extraction.
IEEE ACM Trans. Audio Speech Lang. Process.
Sandro Cumani, Pietro Laface
2014 — conf
Generative pairwise models for speaker recognition.
Odyssey
Sandro Cumani, Pietro Laface
2014 J jnl
Large-Scale Training of Pairwise Support Vector Machines for Speaker Recognition.
IEEE ACM Trans. Audio Speech Lang. Process.
Sandro Cumani, Pietro Laface
2014 J jnl
On the use of i-vector posterior distributions in Probabilistic Linear Discriminant Analysis.
IEEE ACM Trans. Audio Speech Lang. Process.
Sandro Cumani, Oldrich Plchot, Pietro Laface
2014 Misc conf
Training Pairwise Support Vector Machines with large scale datasets.
ICASSP
Sandro Cumani, Pietro Laface
2013 Misc conf
Developing a speaker identification system for the DARPA RATS project.
ICASSP
Oldrich Plchot, Spyros Matsoukas, Pavel Matejka, Najim Dehak, Jeff Z. Ma, Sandro Cumani, Ondrej Glembek, Hynek Hermansky, Sri Harish Reddy Mallidi, Nima Mesgarani, Richard M. Schwartz, Mehdi Soufifar, Zheng-Hua Tan, Samuel Thomas, Bing Zhang, Xinhui Zhou
2013 A conf
Fast and memory effective i-vector extraction using a factorized sub-space.
INTERSPEECH
Sandro Cumani, Pietro Laface
2013 J jnl
Memory and Computation Trade-Offs for Efficient I-Vector Extraction.
IEEE Trans. Speech Audio Process.
Sandro Cumani, Pietro Laface
2013 A conf
Nuance - Politecnico di torino's 2012 NIST speaker recognition evaluation system.
INTERSPEECH
Daniele Colibro, Claudio Vair, Kevin Farrell, Nir Krause, Gennady Karvitsky, Sandro Cumani, Pietro Laface
2013 J jnl
Pairwise Discriminative Speaker Verification in the 𝕀-Vector Space.
IEEE Trans. Speech Audio Process.
Sandro Cumani, Niko Brummer, Lukás Burget, Pietro Laface, Oldrich Plchot, Vasileios Vasilakakis
2013 Misc conf
Probabilistic linear discriminant analysis of i-vector posterior distributions.
ICASSP
Sandro Cumani, Oldrich Plchot, Pietro Laface
2013 A conf
Regularized subspace n-gram model for phonotactic ivector extraction.
INTERSPEECH
Mehdi Soufifar, Lukás Burget, Oldrich Plchot, Sandro Cumani, Jan Cernocký
2012 J jnl
Analysis of Large-Scale SVM Training Algorithms for Language and Speaker Recognition.
IEEE Trans. Speech Audio Process.
Sandro Cumani, Pietro Laface
2012 — conf
Description and analysis of the Brno276 system for LRE2011.
Odyssey
Niko Brümmer, Sandro Cumani, Ondrej Glembek, Martin Karafiát, Pavel Matejka, Jan Pesán, Oldrich Plchot, Mehdi Soufifar, Edward de Villiers, Jan Cernocký
2012 Misc conf
Discriminative classifiers for phonotactic language recognition with iVectors.
ICASSP
Mehdi Soufifar, Sandro Cumani, Lukás Burget, Honza Cernocký
2012 Misc conf
Gender independent discriminative speaker recognition in i-vector space.
ICASSP
Sandro Cumani, Ondrej Glembek, Niko Brümmer, Edward de Villiers, Pietro Laface
2012 Misc conf
Independent component analysis and MLLR transforms for speaker identification.
ICASSP
Sandro Cumani, Oldrich Plchot, Martin Karafiát
2012 — conf
Memory and computation effective approaches for i - vector extraction.
Odyssey
Sandro Cumani, Pietro Laface, Vasileios Vasilakakis
2012 — —
Speaker and Language Recognition Techniques.
Sandro Cumani
2011 A conf
Comparison of Speaker Recognition Approaches for Real Applications.
INTERSPEECH
Sandro Cumani, Pier Domenico Batzu, Daniele Colibro, Claudio Vair, Pietro Laface, Vasileios Vasilakakis
2011 Misc conf
Discriminatively trained Probabilistic Linear Discriminant Analysis for speaker verification.
ICASSP
Lukás Burget, Oldrich Plchot, Sandro Cumani, Ondrej Glembek, Pavel Matejka, Niko Brümmer
2011 Misc conf
Fast discriminative speaker verification in the i-vector space.
ICASSP
Sandro Cumani, Niko Brümmer, Lukás Burget, Pietro Laface
2011 Misc conf
Loquendo - Politecnico di Torino's 2010 NIST speaker recognition evaluation system.
ICASSP
Fabio Castaldo, Daniele Colibro, Claudio Vair, Sandro Cumani, Pietro Laface
2010 — conf
Comparison of Large-scale SVM Training Algorithms for Language Recognition.
Odyssey
Sandro Cumani, Fabio Castaldo, Pietro Laface, Daniele Colibro, Claudio Vair
2010 Misc conf
Loquendo-Politecnico di Torino system for the 2009 NIST Language Recognition Evaluation.
ICASSP
Fabio Castaldo, Daniele Colibro, Sandro Cumani, Emanuele Dalmasso, Pietro Laface, Claudio Vair
2010 J jnl
Parallel implementation of Artificial Neural Network training for speech recognition.
Pattern Recognit. Lett.
Stefano Scanzio, Sandro Cumani, Roberto Gemello, Franco Mana, Pietro Laface
2010 Misc conf
Parallel implementation of artificial neural network training.
ICASSP
Stefano Scanzio, Sandro Cumani, Roberto Gemello, Franco Mana, Pietro Laface
2009 A conf
Language recognition using language factors.
INTERSPEECH
Fabio Castaldo, Sandro Cumani, Pietro Laface, Daniele Colibro