Exploiting visual artifacts to expose deepfakes and face manipulations

F Matern, C Riess, M Stamminger - 2019 IEEE Winter …, 2019 - ieeexplore.ieee.org
High quality face editing in videos is a growing concern and spreads distrust in video
content. However, upon closer examination, many face editing algorithms exhibit artifacts …

[PDF][PDF] An overview on the generation and detection of synthetic and manipulated satellite images

L Abady, ED Cannas, P Bestagini… - … on Signal and …, 2022 - nowpublishers.com
Due to the reduction of technological costs and the increase of satellite launches, satellite
images are becoming more popular and easier to obtain. Besides serving benevolent …

Detecting fake images by identifying potential texture difference

J Yang, S Xiao, A Li, G Lan, H Wang - Future Generation Computer Systems, 2021 - Elsevier
Fake detection has become an urgent task. Generative adversarial networks (GANs)
extended to deep learning has shown its extraordinary ability in the fields of image, audio …

Training cnns in presence of jpeg compression: Multimedia forensics vs computer vision

S Mandelli, N Bonettini, P Bestagini… - 2020 IEEE International …, 2020 - ieeexplore.ieee.org
Convolutional Neural Networks (CNNs) have proved very accurate in multiple computer
vision image classification tasks that required visual inspection in the past (eg, object …

A clustering-based framework for improving the performance of JPEG quantization step estimation

J Yang, Y Zhang, G Zhu… - IEEE transactions on …, 2020 - ieeexplore.ieee.org
Quantization plays a pivotal role in JPEG compression with respect to the tradeoff between
image fidelity and storage size, and the blind estimation of quantization parameters has …

Deepfake detection using spatiotemporal transformer

B Kaddar, SA Fezza, Z Akhtar, W Hamidouche… - ACM Transactions on …, 2024 - dl.acm.org
Recent advances in generative models and the availability of large-scale benchmarks have
made deepfake video generation and manipulation easier. Nowadays, the number of new …

Channel‐Wise Spatiotemporal Aggregation Technology for Face Video Forensics

Y Lu, Y Liu, J Fei, Z Xia - Security and Communication …, 2021 - Wiley Online Library
Recent progress in deep learning, in particular the generative models, makes it easier to
synthesize sophisticated forged faces in videos, leading to severe threats on social media …

Estimating previous quantization factors on multiple JPEG compressed images

S Battiato, O Giudice, F Guarnera, G Puglisi - EURASIP Journal on …, 2021 - Springer
The JPEG compression algorithm has proven to be efficient in saving storage and
preserving image quality thus becoming extremely popular. On the other hand, the overall …

Investigating Translation Invariance and Shiftability in CNNs for Robust Multimedia Forensics: A JPEG Case Study

ED Cannas, S Mandelli, P Bestagini… - Proceedings of the 2024 …, 2024 - dl.acm.org
Convolutional Neural Networks (CNNs) have been the state of the art in many applications,
including computer vision and multimedia forensics. Translation invariance is often included …

Forensic analysis of JPEG-domain enhanced images via coefficient likelihood modeling

J Yang, G Zhu, Y Luo, S Kwong… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
JPEG-domain enhancement improves the visual quality of JPEG images by directly
manipulating the decoded DCT (discrete cosine transform) coefficients, which inevitably …