Search Results for author: Luca Guarnera

Found 15 papers, 3 papers with code

DeepFeatureX Net: Deep Features eXtractors based Network for discriminating synthetic from real images

no code implementations24 Apr 2024 Orazio Pontorno, Luca Guarnera, Sebastiano Battiato

The scientific community is working to develop approaches that can discriminate the origin of digital images (real or AI-generated).

On the Exploitation of DCT-Traces in the Generative-AI Domain

no code implementations3 Feb 2024 Orazio Pontorno, Luca Guarnera, Sebastiano Battiato

Deepfakes represent one of the toughest challenges in the world of Cybersecurity and Digital Forensics, especially considering the high-quality results obtained with recent generative AI-based solutions.

Face Swapping

MITS-GAN: Safeguarding Medical Imaging from Tampering with Generative Adversarial Networks

1 code implementation17 Jan 2024 Giovanni Pasqualino, Luca Guarnera, Alessandro Ortis, Sebastiano Battiato

The progress in generative models, particularly Generative Adversarial Networks (GANs), opened new possibilities for image generation but raised concerns about potential malicious uses, especially in sensitive areas like medical imaging.

Image Generation

A Novel Dataset for Non-Destructive Inspection of Handwritten Documents

no code implementations9 Jan 2024 Eleonora Breci, Luca Guarnera, Sebastiano Battiato

Preliminary results on the proposed datasets show that 90% classification accuracy can be achieved on the first subset (documents written on both paper and pen and later digitized and on tablets) and 96% on the second portion of the data.

AI Mirage: The Impostor Bias and the Deepfake Detection Challenge in the Era of Artificial Illusions

no code implementations24 Dec 2023 Mirko Casu, Luca Guarnera, Pasquale Caponnetto, Sebastiano Battiato

This paper provides a comprehensive analysis of cognitive biases in forensics and digital forensics, examining their implications for decision-making processes in these fields.

Decision Making DeepFake Detection +1

Innovative Methods for Non-Destructive Inspection of Handwritten Documents

no code implementations17 Oct 2023 Eleonora Breci, Luca Guarnera, Sebastiano Battiato

Handwritten document analysis is an area of forensic science, with the goal of establishing authorship of documents through examination of inherent characteristics.

Not with my name! Inferring artists' names of input strings employed by Diffusion Models

1 code implementation25 Jul 2023 Roberto Leotta, Oliver Giudice, Luca Guarnera, Sebastiano Battiato

In this paper, a preliminary study to infer the probability of use of an artist's name in the input string of a generated image is presented.

Level Up the Deepfake Detection: a Method to Effectively Discriminate Images Generated by GAN Architectures and Diffusion Models

no code implementations1 Mar 2023 Luca Guarnera, Oliver Giudice, Sebastiano Battiato

The image deepfake detection task has been greatly addressed by the scientific community to discriminate real images from those generated by Artificial Intelligence (AI) models: a binary classification task.

Binary Classification DeepFake Detection +2

On the Exploitation of Deepfake Model Recognition

no code implementations9 Apr 2022 Luca Guarnera, Oliver Giudice, Matthias Niessner, Sebastiano Battiato

Despite recent advances in Generative Adversarial Networks (GANs), with special focus to the Deepfake phenomenon there is no a clear understanding neither in terms of explainability nor of recognition of the involved models.

Face Swapping

Deepfake Style Transfer Mixture: a First Forensic Ballistics Study on Synthetic Images

no code implementations18 Mar 2022 Luca Guarnera, Oliver Giudice, Sebastiano Battiato

Most recent style-transfer techniques based on generative architectures are able to obtain synthetic multimedia contents, or commonly called deepfakes, with almost no artifacts.

Face Swapping Style Transfer

Fighting deepfakes by detecting GAN DCT anomalies

no code implementations24 Jan 2021 Oliver Giudice, Luca Guarnera, Sebastiano Battiato

To properly contrast the Deepfake phenomenon the need to design new Deepfake detection algorithms arises; the misuse of this formidable A. I.

DeepFake Detection Face Swapping +1

Preliminary Forensics Analysis of DeepFake Images

1 code implementation27 Apr 2020 Luca Guarnera, Oliver Giudice, Cristina Nastasi, Sebastiano Battiato

One of the most terrifying phenomenon nowadays is the DeepFake: the possibility to automatically replace a person's face in images and videos by exploiting algorithms based on deep learning.

Face Swapping

DeepFake Detection by Analyzing Convolutional Traces

no code implementations22 Apr 2020 Luca Guarnera, Oliver Giudice, Sebastiano Battiato

The Deepfake phenomenon has become very popular nowadays thanks to the possibility to create incredibly realistic images using deep learning tools, based mainly on ad-hoc Generative Adversarial Networks (GAN).

DeepFake Detection Face Swapping +1

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