Publications related to Speech processing

An illustrated comparison of processing methods for MR phase imaging and QSM: combining array coil signals and phase unwrapping

José Pedro Rebelo Ferreira Marques, Diana Khabipova

Phase imaging benefits from strong susceptibility effects at very high field and the high signal-to-noise ratio (SNR) afforded by multi-channel coils. Combining the information from coils is not trivial, however, as the phase that originates in local field ...

Wiley2017

A Graph Diffusion LMS Strategy for Adaptive Graph Signal Processing

Ali H. Sayed, Jie Chen, Roula Nassif

The massive deployment of distributed acquisition and signal processing systems, as well as the ubiquity of connected devices, is currently contributing to the development of graph signal processing. Nevertheless, this discipline still suffers from the lac ...

2017

Intonation Modelling for Speech Synthesis and Emphasis Preservation

Pierre-Edouard Jean Charles Honnet

Speech-to-speech translation is a framework which recognises speech in an input language, translates it to a target language and synthesises speech in this target language. In such a system, variations in the speech signal which are inherent to natural hum ...

EPFL2017

End-to-End Convolutional Neural Network-based Voice Presentation Attack Detection

Sébastien Marcel, Hannah Muckenhirn

Development of countermeasures to detect attacks performed on speaker verification systems through presentation of forged or altered speech samples is a challenging and open research problem. Typically, this problem is approached by extracting features thr ...

2017

Local-polynomial-approximation-based phase unwrapping using state space analysis

Pramod Rastogi, Rishikesh Dilip Kulkarni

A new method of phase unwrapping is proposed for the absolute phase estimation based on the first-order polynomial phase approximation within a symmetric window generated around each pixel. The accurate estimation of polynomial coefficients is performed by ...

2017

From Research to Reality: Evaluation of a Single-Computer Real-Time LVCSR System for Speech-Based Retrieval

Philip Neil Garner, Andrei Popescu-Belis, Nan Li, Maryam Habibi

This paper presents a series of tests that were performed on a state-of-the-art real-time automatic speech recognition system for English, in a single-computer implementation. As the intention is to use the system for speech-based query-free document retri ...

Idiap2017

Sparse Pronunciation Codes for Perceptual Phonetic Information Assessment

Hervé Bourlard, Milos Cernak, Afsaneh Asaei, Dhananjay Ram

Speech is a complex signal produced by a highly constrained articulation machinery. Neuro and psycholinguistic theories assert that speech can be decomposed into molecules of structured atoms. Although characterization of the atoms is controversial, the ex ...

2017

LinoSPAD: A Compact Linear SPAD Camera System with 64 FPGA-Based TDC Modules for Versatile 50 ps Resolution Time-Resolved Imaging

Edoardo Charbon, Claudio Bruschini, Samuel Burri

The LinoSPAD camera system is a modular, compact and versatile time-resolved camera system, combining a linear 256 high fill factor pixel CMOS SPAD (single-photon avalanche diode) sensor with an FPGA (field-programmable gate array) and USB 3.0 transceiver ...

2017

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Speech processing

An illustrated comparison of processing methods for MR phase imaging and QSM: combining array coil signals and phase unwrapping

A Graph Diffusion LMS Strategy for Adaptive Graph Signal Processing

Intonation Modelling for Speech Synthesis and Emphasis Preservation

End-to-End Convolutional Neural Network-based Voice Presentation Attack Detection

Local-polynomial-approximation-based phase unwrapping using state space analysis

From Research to Reality: Evaluation of a Single-Computer Real-Time LVCSR System for Speech-Based Retrieval

A graph signal filtering-based approach for detection of different edge types on airborne lidar data

Sparse Pronunciation Codes for Perceptual Phonetic Information Assessment

LinoSPAD: A Compact Linear SPAD Camera System with 64 FPGA-Based TDC Modules for Versatile 50 ps Resolution Time-Resolved Imaging

Template-matching for text-dependent speaker verification

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Chat with Graph Search

Local-polynomial-approximation-based phase unwrapping using state space analysis

End-to-End Convolutional Neural Network-based Voice Presentation Attack Detection

Intonation Modelling for Speech Synthesis and Emphasis Preservation

A graph signal filtering-based approach for detection of different edge types on airborne lidar data

Sparse Pronunciation Codes for Perceptual Phonetic Information Assessment

LinoSPAD: A Compact Linear SPAD Camera System with 64 FPGA-Based TDC Modules for Versatile 50 ps Resolution Time-Resolved Imaging

Template-matching for text-dependent speaker verification

An illustrated comparison of processing methods for MR phase imaging and QSM: combining array coil signals and phase unwrapping

A Graph Diffusion LMS Strategy for Adaptive Graph Signal Processing

From Research to Reality: Evaluation of a Single-Computer Real-Time LVCSR System for Speech-Based Retrieval