Detection of speech tampering using sparse representations and spectral manipulations based information hiding

S Wang, W Yuan, J Wang, M Unoki - Speech Communication, 2019 - Elsevier
Speech tampering has brought serious problems to speech security. Information hiding
method can be used for tampering detection if it can satisfy several competitive …

Speech watermarking method based on formant tuning

S Wang, M Unoki - IEICE TRANSACTIONS on Information and …, 2015 - search.ieice.org
This paper proposes a speech watermarking method based on the concept of formant
tuning. The characteristic that formant tuning can improve the sound quality of synthesized …

Detection of tampering in speech signals with inaudible watermarking technique

M Unoki, R Miyauchi - 2012 Eighth International Conference …, 2012 - ieeexplore.ieee.org
There have recently been serious social issues involved in multimedia signal processing
such as malicious attacks and tampering with digital audio/speech signals. Fragile speech …

Imperceptible and Reversible Acoustic Watermarking Based on Modified Integer Discrete Cosine Transform Coefficient Expansion

X Huang, A Ito - Applied Sciences, 2024 - mdpi.com
This paper aims to explore an alternative reversible digital watermarking solution to
guarantee the integrity of and detect tampering with data of probative importance. Since the …

[PDF][PDF] Formant enhancement based speech watermarking for tampering detection

S Wang, M Unoki, NS Kim - Fifteenth Annual Conference of the …, 2014 - isca-archive.org
Unauthorized tampering in speech signals has brought serious problems when verifying the
originality and integrity of speech signals. Digital watermarking can effectively check if the …

Reversible audio information hiding based on integer DCT coefficients with adaptive hiding locations

X Huang, N Ono, I Echizen, A Nishimura - Digital-Forensics and …, 2014 - Springer
This paper presents a reversible audio information hiding method based on integer Discrete
Cosine Transform (intDCT), and investigates the effectiveness of adaptive hiding locations …

[PDF][PDF] Tampering Detection Scheme for Speech Signals using Formant Enhancement based Watermarking.

S Wang, R Miyauchi, M Unoki… - J. Inf. Hiding Multim. Signal …, 2015 - bit.kuas.edu.tw
Unauthorized tampering in speech signals has brought serious problems when verifying
their originality and integrity. Digital watermarking can effectively check if the original speech …

Speech watermarking based on robust principal component analysis and formant manipulations

S Wang, W Yuan, J Wang… - 2018 IEEE International …, 2018 - ieeexplore.ieee.org
This paper proposes a watermarking method for speech signals based on Robust Principal
Component Analysis (RPCA) and formant manipulations. As the spectrogram of speech has …

The medical image watermarking algorithm with encryption by DCT and logistic

C Dong, J Li, M Huang, Y Bai - 2012 Ninth Web Information …, 2012 - ieeexplore.ieee.org
When medical images transmitted and stored in hospitals, it require strict security,
confidentiality and integrity. However, the transmission of wireless and wired networks has …

Watermarking of speech signals based on formant enhancement

S Wang, M Unoki - 2014 22nd European Signal Processing …, 2014 - ieeexplore.ieee.org
This paper proposes a speech watermarking method based on formant enhancement. The
line spectral frequencies (LSFs) which can stably represent the formants were firstly derived …