Analysis of the Hilbert spectrum for text-dependent speaker verification

R Sharma, RK Bhukya, SRM Prasanna - Speech Communication, 2018 - Elsevier
This work explores the utility of the Hilbert Spectrum (HS) of the speech signal, constructed
from its AM-FM components, or Intrinsic Mode Functions (IMFs), in characterizing speakers …

Significance of modified empirical mode decomposition for ECG denoising

P Singh, S Shahnawazuddin… - 2017 39th Annual …, 2017 - ieeexplore.ieee.org
The primary objective of the presented work is to exploit the power of modified empirical
mode decomposition (M-EMD) for the denoising of ECG signals. It is well known that the …

Analysis of the intrinsic mode functions for speaker information

R Sharma, SRM Prasanna, RK Bhukya, RK Das - Speech Communication, 2017 - Elsevier
This work explores the utility of the time-domain signal components, or the Intrinsic Mode
Functions (IMFs), of speech signals', as generated from the data-adaptive filterbank nature of …

Adaptively Optimized Masking EMD for Separating Intrinsic Oscillatory Modes of Nonstationary Signals

C Sun, H Li, C Xu, L Ma, H Li - IEEE Signal Processing Letters, 2023 - ieeexplore.ieee.org
Empirical mode decomposition (EMD) is a well-established technique to decompose
nonstationary signals into intrinsic oscillatory modes, which is essential to catch crucial …

On the performance of empirical mode decomposition-based replay spoofing detection in speaker verification systems

SH Mankad, S Garg - Progress in Artificial Intelligence, 2020 - Springer
Automatic speaker verification (ASV) systems have maximum threat from replay spoofing
attacks. High frequency regions of the underlying audio signal exhibit the phenomenon …

An improved genetic algorithm for optimizing ensemble empirical mode decomposition method

D Zhang, C Cai, S Chen, L Ling - Systems Science & Control …, 2019 - Taylor & Francis
This paper proposes an improved ensemble empirical mode decomposition method based
on genetic algorithm to solve the mode mixing problem in empirical mode decomposition …

Robust methods for text-dependent speaker verification

RK Bhukya, SRM Prasanna, BD Sarma - Circuits, Systems, and Signal …, 2019 - Springer
In this work, we explore various noise robust techniques at different stages of a Text-
Dependent Speaker Verification (TDSV) system. A speech-specific knowledge-based robust …

One to multiple mapping dual learning: Learning multiple signals from one mixture

T Liu, W Wang, X Zhang, Y Guo - Digital Signal Processing, 2022 - Elsevier
Single channel blind source separation (SCBSS) refers to separating multiple sources from
a mixture collected by a single sensor. Existing methods for SCBSS have limited …

Approaches for robust text-dependent speaker verification under degraded conditions

RK Bhukya - 2019 - shodhganga.inflibnet.ac.in
The objective of this thesis work is to develop a robust text-dependent speaker verification
(TDSV) system by using robust techniques for achieving better system performance under …

Detection of the glottal closure instants using empirical mode decomposition

R Sharma, SRM Prasanna, HL Rufiner… - Circuits, Systems, and …, 2018 - Springer
This work explores the effectiveness of the Intrinsic Mode Functions (IMFs) of the speech
signal, in estimating its Glottal Closure Instants (GCIs). The IMFs of the speech signal, which …