Detection of face morphing attacks based on PRNU analysis

U Scherhag, L Debiasi, C Rathgeb… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Recent research found that attacks based on morphed face images, ie, morphing attacks,
pose a severe security risk to face recognition systems. A reliable morphing attack detection …

Preprocessing reference sensor pattern noise via spectrum equalization

X Lin, CT Li - IEEE Transactions on Information Forensics and …, 2015 - ieeexplore.ieee.org
Although sensor pattern noise (SPN) has been proved to be an effective means to uniquely
identify digital cameras, some non-unique artifacts, shared among cameras undergo the …

Sensor pattern noise estimation based on improved locally adaptive DCT filtering and weighted averaging for source camera identification and verification

A Lawgaly, F Khelifi - IEEE Transactions on Information …, 2016 - ieeexplore.ieee.org
Photo response non-uniformity (PRNU) noise is a sensor pattern noise characterizing the
imaging device. It has been broadly used in the literature for source camera identification …

PRNU‐based detection of facial retouching

C Rathgeb, A Botaljov, F Stockhardt, S Isadskiy… - IET …, 2020 - Wiley Online Library
Nowadays, many facial images are acquired using smart phones. To ensure the best
outcome, users frequently retouch these images before sharing them, eg via social media …

SPN-CNN: boosting sensor-based source camera attribution with deep learning

M Kirchner, C Johnson - 2019 IEEE international workshop on …, 2019 - ieeexplore.ieee.org
We explore means to advance source camera identification based on sensor noise in a data-
driven framework. Our focus is on improving the sensor pattern noise (SPN) extraction from …

Noisescope: Detecting deepfake images in a blind setting

J Pu, N Mangaokar, B Wang, CK Reddy… - Proceedings of the 36th …, 2020 - dl.acm.org
Recent advances in Generative Adversarial Networks (GANs) have significantly improved
the quality of synthetic images or deepfakes. Photorealistic images generated by GANs start …

On the SPN estimation in image forensics: a systematic empirical evaluation

M Al-Ani, F Khelifi - IEEE Transactions on Information Forensics …, 2016 - ieeexplore.ieee.org
Extracting a fingerprint of a digital camera has fertile applications in image forensics, such as
source camera identification and image authentication. In the last decade, photo response …

A fast source camera identification and verification method based on PRNU analysis for use in video forensic investigations

WC Yang, J Jiang, CH Chen - Multimedia Tools and Applications, 2021 - Springer
Due to the rapid development of digital and cloud technologies, everyone can easily shoot
and spread digital videos via email or social media. However, it is difficult for law …

A context-adaptive SPN predictor for trustworthy source camera identification

X Kang, J Chen, K Lin, P Anjie - EURASIP Journal on Image and video …, 2014 - Springer
Sensor pattern noise (SPN) has been recognized as a reliable device fingerprint for camera
source identification (CSI) and image origin verification. However, the SPN extracted from a …

Enhancing sensor pattern noise via filtering distortion removal

X Lin, CT Li - IEEE Signal Processing Letters, 2016 - ieeexplore.ieee.org
In this work, we propose a method to obtain higher quality sensor pattern noise (SPN) for
identifying source cameras. We believe that some components of SPN have been severely …