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Multimedia AI vs Information Disorder: A Journey of Discovery
In this talk, Dang-Nguyen discusses case studies conducted in collaboration with fact-checkers and journalists in the Nordic countries, with a specific focus on the user needs of fact-checkers, their workflows, and tools employed for verifying visual ...
From Open-Source to Primetime: The Making of an AI News Anchor and its Role in the New Landscape of Disinformation
In the summer of 2023, the Writers Guild of America embarked on what would become one of its longest strikes in history. Concurrently, the early stirrings of the presidential campaign saw several ads circulating with convincingly altered video and audio ...
Introduction to Audio Deepfake Generation: Academic Insights for Non-Experts
With the advancement of artificial intelligence, the methods for generating audio deepfakes have improved, but the technology behind it has become more complex. Despite this, non-expert users are able to generate audio deepfakes due to the increased ...
Explore the World of Audio Deepfakes: A Guide to Detection Techniques for Non-Experts
Audio deepfakes are becoming increasingly prevalent, posing a threat to companies who may fall victim to CEO fraud, as well as individuals who may be targeted by voice scams. As a result, the need for audio deepfake detectors is growing. While academic ...
Audio Transformer for Synthetic Speech Detection via Benford's Law Distribution Analysis
This paper introduces a novel approach that enhances synthetic speech detection by applying Benford’s law analysis to the encoder embeddings. By leveraging Benford’s Law as supplementary information alongside the existing embeddings, the model gains a ...
Visual and audio scene classification for detecting discrepancies in video: a baseline method and experimental protocol
This paper presents a baseline approach and an experimental protocol for a specific content verification problem: detecting discrepancies between the audio and video modalities in multimedia content. We first design and optimize an audio-visual scene ...
Towards Quantitative Evaluation of Explainable AI Methods for Deepfake Detection
- Konstantinos Tsigos,
- Evlampios Apostolidis,
- Spyridon Baxevanakis,
- Symeon Papadopoulos,
- Vasileios Mezaris
In this paper we propose a new framework for evaluating the performance of explanation methods on the decisions of a deepfake detector. This framework assesses the ability of an explanation method to spot the regions of a fake image with the biggest ...
Improving Generalization in Deepfake Detection via Augmentation with Recurrent Adversarial Attacks
The crucial effort to counteract deepfakes and misinformation at large holds great importance in our society, especially at this moment in time. Deepfake detectors evolve at the same pace as deepfake generators, or even slower, and more than that, they ...
SIDBench: A Python framework for reliably assessing synthetic image detection methods
The generative AI technology offers an increasing variety of tools for generating entirely synthetic images that are increasingly indistinguishable from real ones. Unlike methods that alter portions of an image, the creation of completely synthetic ...
Whodunit: Detection and Attribution of Synthetic Images by Leveraging Model-specific Fingerprints
With increasingly easier access to large, pre-trained text-to-image models, a surge of synthetic images, often visually indistinguishable from natural images, can be observed. Since naturalistic, synthetic images can be misidentified as natural, a ...
Credible, Unreliable or Leaked?: Evidence verification for enhanced automated fact-checking
Automated fact-checking (AFC) is garnering increasing attention by researchers aiming to help fact-checkers combat the increasing spread of misinformation online. While many existing AFC methods incorporate external information from the Web to help ...
NewsPolyML: Multi-lingual European News Fake Assessment Dataset
With the rapid growth of social media and online platforms, the spread of disinformation has become rampant across the globe and among different languages. Detecting disinformation in non-English languages is crucial due to the global nature of ...
Evaluating Human-Centered AI Explanations: Introduction of an XAI Evaluation Framework for Fact-Checking
- Vera Schmitt,
- Balázs Patrik Csomor,
- Joachim Meyer,
- Luis-Felipe Villa-Areas,
- Charlott Jakob,
- Tim Polzehl,
- Sebastian Möller
The rapidly increasing amount of online information and the advent of Generative Artificial Intelligence (GenAI) make the manual verification of information impractical. Consequently, AI systems are deployed to detect disinformation and deepfakes. Prior ...
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Overview of ACM international workshop on connected multimedia
MM '10: Proceedings of the 18th ACM international conference on MultimediaFollowing the very first international workshop on connected multimedia held in Hangzhou, China, in October of 2009 jointly sponsored by US National Science Foundation and Zhejiang University of China, this is the very first ACM International Workshop ...