Sandro Cumani

Publication Activity (10 Years)

Years Active: 2009-2024
Publications (10 Years): 25

Top Topics

Speaker Recognition

Liveness Detection

Generative Model

Top Venues

IEEE ACM Trans. Audio Speech Lang. Process.

Publications

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
Towards Comprehensive Subgroup Performance Analysis in Speech Models. IEEE ACM Trans. Audio Speech Lang. Process. 32 (2024)
Sandro Cumani, Salvatore Sarni
The Distributions of Uncalibrated Speaker Verification Scores: A Generative Model for Domain Mismatch and Trial-Dependent Calibration. IEEE ACM Trans. Audio Speech Lang. Process. 31 (2023)
Sandro Cumani, Salvatore Sarni
From adaptive score normalization to adaptive data normalization for speaker verification systems. INTERSPEECH (2023)
Salvatore Sarni, Sandro Cumani, Sabato Marco Siniscalchi, Andrea Bottino
Description and analysis of the KPT system for NIST Language Recognition Evaluation 2022. INTERSPEECH (2023)
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
I4U System Description for NIST SRE'20 CTS Challenge. CoRR (2022)
Sandro Cumani, Salvatore Sarni
Impostor Score Statistics as Quality Measures for the Calibration of Speaker Verification Systems. Odyssey (2022)
Pablo Negri, Sandro Cumani, Andrea Bottino
Tackling Age-Invariant Face Recognition With Non-Linear PLDA and Pairwise SVM. IEEE Access 9 (2021)
Sandro Cumani, Salvatore Sarni
A Generative Model for Duration-Dependent Score Calibration. Interspeech (2021)
Sandro Cumani
On the Distribution of Speaker Verification Scores: Generative Models for Unsupervised Calibration. IEEE ACM Trans. Audio Speech Lang. Process. 29 (2021)
Sandro Cumani, Pietro Laface
Tied Normal Variance-Mean Mixtures for Linear Score Calibration. ICASSP (2019)
Sandro Cumani, Pietro Laface
Exact memory-constrained UPGMA for large scale speaker clustering. Pattern Recognit. 95 (2019)
Sandro Cumani
Normal Variance-Mean Mixtures for Unsupervised Score Calibration. INTERSPEECH (2019)
Sandro Cumani, Pietro Laface
Speaker Recognition Using e-Vectors. IEEE ACM Trans. Audio Speech Lang. Process. 26 (4) (2018)
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
Analysis of BUT-PT Submission for NIST LRE 2017. Odyssey (2018)
Sandro Cumani, Pietro Laface
Scoring Heterogeneous Speaker Vectors Using Nonlinear Transformations and Tied PLDA Models. IEEE ACM Trans. Audio Speech Lang. Process. 26 (5) (2018)
Sandro Cumani, Pietro Laface
Nonlinear I-Vector Transformations for PLDA-Based Speaker Recognition. IEEE ACM Trans. Audio Speech Lang. Process. 25 (4) (2017)
Amirhosein Toosi, Andrea Bottino, Sandro Cumani, Pablo Negri, Pietro Luca Sottile
Feature Fusion for Fingerprint Liveness Detection: a Comparative Study. IEEE Access 5 (2017)
Sandro Cumani, Pietro Laface
e-vectors: JFA and i-vectors revisited. ICASSP (2017)
Daniele Colibro, Claudio Vair, Emanuele Dalmasso, Kevin Farrell, Gennady Karvitsky, Sandro Cumani, Pietro Laface
Nuance - Politecnico di Torino's 2016 NIST Speaker Recognition Evaluation System. INTERSPEECH (2017)
Amirhosein Toosi, Sandro Cumani, Andrea Bottino
Assessing Transfer Learning on Convolutional Neural Networks for Patch-Based Fingerprint Liveness Detection. IJCCI (Selected Papers) (2017)
Sandro Cumani, Pietro Laface
Joint Estimation of PLDA and Nonlinear Transformations of Speaker Vectors. IEEE ACM Trans. Audio Speech Lang. Process. 25 (10) (2017)
Amirhosein Toosi, Sandro Cumani, Andrea Bottino
CNN Patch-Based Voting for Fingerprint Liveness Detection. IJCCI (2017)
Sandro Cumani, Pietro Laface
I-vector transformation and scaling for PLDA based speaker recognition. Odyssey (2016)
Alexey Sholokhov, Tomi Kinnunen, Sandro Cumani
Discriminative multi-domain PLDA for speaker verification. ICASSP (2016)
Oldrich Plchot, Pavel Matejka, Ondrej Glembek, Radek Fér, Ondrej Novotný, Jan Pesán, Lukás Burget, Niko Brummer, Sandro Cumani
BAT System Description for NIST LRE 2015. Odyssey (2016)
Amirhosein Toosi, Sandro Cumani, Andrea Bottino
On Multiview Analysis for Fingerprint Liveness Detection. CIARP (2015)
Sandro Cumani, Pietro Laface
Memory-aware i-vector extraction by means of sub-space factorization. ICASSP (2015)
Sandro Cumani, Oldrich Plchot, Radek Fér
Exploiting i-vector posterior covariances for short-duration language recognition. INTERSPEECH (2015)
Sandro Cumani
Fast Scoring of Full Posterior PLDA Models. IEEE ACM Trans. Audio Speech Lang. Process. 23 (11) (2015)
Sandro Cumani, Pietro Laface, Farzana Kulsoom
Speaker recognition by means of acoustic and phonetically informed GMMs. INTERSPEECH (2015)
Sandro Cumani, Pietro Laface
Training Pairwise Support Vector Machines with large scale datasets. ICASSP (2014)
Sandro Cumani, Oldrich Plchot, Pietro Laface
On the use of i-vector posterior distributions in Probabilistic Linear Discriminant Analysis. IEEE ACM Trans. Audio Speech Lang. Process. 22 (4) (2014)
Sandro Cumani, Pietro Laface
Factorized Sub-Space Estimation for Fast and Memory Effective I-vector Extraction. IEEE ACM Trans. Audio Speech Lang. Process. 22 (1) (2014)
Sandro Cumani, Pietro Laface
Generative pairwise models for speaker recognition. Odyssey (2014)
Sandro Cumani, Pietro Laface
Large-Scale Training of Pairwise Support Vector Machines for Speaker Recognition. IEEE ACM Trans. Audio Speech Lang. Process. 22 (11) (2014)
Mehdi Soufifar, Lukás Burget, Oldrich Plchot, Sandro Cumani, Jan Cernocký
Regularized subspace n-gram model for phonotactic ivector extraction. INTERSPEECH (2013)
Sandro Cumani, Pietro Laface
Fast and memory effective i-vector extraction using a factorized sub-space. INTERSPEECH (2013)
Sandro Cumani, Niko Brummer, Lukás Burget, Pietro Laface, Oldrich Plchot, Vasileios Vasilakakis
Pairwise Discriminative Speaker Verification in the 𝕀-Vector Space. IEEE Trans. Speech Audio Process. 21 (6) (2013)
Daniele Colibro, Claudio Vair, Kevin Farrell, Nir Krause, Gennady Karvitsky, Sandro Cumani, Pietro Laface
Nuance - Politecnico di torino's 2012 NIST speaker recognition evaluation system. INTERSPEECH (2013)
Sandro Cumani, Pietro Laface
Memory and Computation Trade-Offs for Efficient I-Vector Extraction. IEEE Trans. Speech Audio Process. 21 (5) (2013)
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
Developing a speaker identification system for the DARPA RATS project. ICASSP (2013)
Sandro Cumani, Oldrich Plchot, Pietro Laface
Probabilistic linear discriminant analysis of i-vector posterior distributions. ICASSP (2013)
Sandro Cumani, Pietro Laface
Analysis of Large-Scale SVM Training Algorithms for Language and Speaker Recognition. IEEE Trans. Speech Audio Process. 20 (5) (2012)
Sandro Cumani, Ondrej Glembek, Niko Brümmer, Edward de Villiers, Pietro Laface
Gender independent discriminative speaker recognition in i-vector space. ICASSP (2012)
Sandro Cumani, Pietro Laface, Vasileios Vasilakakis
Memory and computation effective approaches for i - vector extraction. Odyssey (2012)
Mehdi Soufifar, Sandro Cumani, Lukás Burget, Honza Cernocký
Discriminative classifiers for phonotactic language recognition with iVectors. ICASSP (2012)
Niko Brümmer, Sandro Cumani, Ondrej Glembek, Martin Karafiát, Pavel Matejka, Jan Pesán, Oldrich Plchot, Mehdi Soufifar, Edward de Villiers, Jan Cernocký
Description and analysis of the Brno276 system for LRE2011. Odyssey (2012)
Sandro Cumani, Oldrich Plchot, Martin Karafiát
Independent component analysis and MLLR transforms for speaker identification. ICASSP (2012)
Fabio Castaldo, Daniele Colibro, Claudio Vair, Sandro Cumani, Pietro Laface
Loquendo - Politecnico di Torino's 2010 NIST speaker recognition evaluation system. ICASSP (2011)
Sandro Cumani, Niko Brümmer, Lukás Burget, Pietro Laface
Fast discriminative speaker verification in the i-vector space. ICASSP (2011)
Lukás Burget, Oldrich Plchot, Sandro Cumani, Ondrej Glembek, Pavel Matejka, Niko Brümmer
Discriminatively trained Probabilistic Linear Discriminant Analysis for speaker verification. ICASSP (2011)
Sandro Cumani, Pier Domenico Batzu, Daniele Colibro, Claudio Vair, Pietro Laface, Vasileios Vasilakakis
Comparison of Speaker Recognition Approaches for Real Applications. INTERSPEECH (2011)
Stefano Scanzio, Sandro Cumani, Roberto Gemello, Franco Mana, Pietro Laface
Parallel implementation of Artificial Neural Network training for speech recognition. Pattern Recognit. Lett. 31 (11) (2010)
Fabio Castaldo, Daniele Colibro, Sandro Cumani, Emanuele Dalmasso, Pietro Laface, Claudio Vair
Loquendo-Politecnico di Torino system for the 2009 NIST Language Recognition Evaluation. ICASSP (2010)
Sandro Cumani, Fabio Castaldo, Pietro Laface, Daniele Colibro, Claudio Vair
Comparison of Large-scale SVM Training Algorithms for Language Recognition. Odyssey (2010)
Stefano Scanzio, Sandro Cumani, Roberto Gemello, Franco Mana, Pietro Laface
Parallel implementation of artificial neural network training. ICASSP (2010)
Fabio Castaldo, Sandro Cumani, Pietro Laface, Daniele Colibro
Language recognition using language factors. INTERSPEECH (2009)