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Deep convolutional neural networks have shown remarkable results on multiple detection tasks. Despite the significant progress, the performance of such detectors are often assessed in public benchmarks under non-realistic conditions.…

计算机视觉与模式识别 · 计算机科学 2022-03-23 Yuhang Lu , Ruizhi Luo , Touradj Ebrahimi

Deep convolutional neural networks have achieved exceptional results on multiple detection and recognition tasks. However, the performance of such detectors are often evaluated in public benchmarks under constrained and non-realistic…

计算机视觉与模式识别 · 计算机科学 2022-03-23 Yuhang Lu , Touradj Ebrahimi

Deep Neural Networks are well known for efficiently fitting training data, yet experiencing poor generalization capabilities whenever some kind of bias dominates over the actual task labels, resulting in models learning "shortcuts". In…

机器学习 · 计算机科学 2024-08-12 Pietro Morerio , Ruggero Ragonesi , Vittorio Murino

A major challenge in DeepFake forgery detection is that state-of-the-art algorithms are mostly trained to detect a specific fake method. As a result, these approaches show poor generalization across different types of facial manipulations,…

计算机视觉与模式识别 · 计算机科学 2021-08-24 Davide Cozzolino , Andreas Rössler , Justus Thies , Matthias Nießner , Luisa Verdoliva

Continual learning aims to acquire new tasks while preserving performance on previously learned ones, but most methods struggle with catastrophic forgetting. Existing approaches typically treat all layers uniformly, often trading stability…

机器学习 · 计算机科学 2025-12-29 Hengyi Wu , Zhenyi Wang , Heng Huang

Recent research has highlighted a key issue in speech deepfake detection: models trained on one set of deepfakes perform poorly on others. The question arises: is this due to the continuously improving quality of Text-to-Speech (TTS)…

声音 · 计算机科学 2024-06-13 Nicolas M. Müller , Nicholas Evans , Hemlata Tak , Philip Sperl , Konstantin Böttinger

Deepfake detection remains a challenging task due to the difficulty of generalizing to new types of forgeries. This problem primarily stems from the overfitting of existing detection methods to forgery-irrelevant features and…

计算机视觉与模式识别 · 计算机科学 2023-10-31 Zhiyuan Yan , Yong Zhang , Yanbo Fan , Baoyuan Wu

Deep learning has enabled highly realistic synthetic speech, raising concerns about fraud, impersonation, and disinformation. Despite rapid progress in neural detectors, transparent baselines are needed to reveal which acoustic cues…

音频与语音处理 · 电气工程与系统科学 2026-04-16 Faheem Ahmad , Ajan Ahmed , Masudul Imtiaz

On the one hand, there has been considerable progress on neural network verification in recent years, which makes certifying neural networks a possibility. On the other hand, neural networks in practice are often re-trained over time to…

机器学习 · 计算机科学 2024-07-10 Long H. Pham , Jun Sun

Recently, fine-tuning pre-trained language models (e.g., multilingual BERT) to downstream cross-lingual tasks has shown promising results. However, the fine-tuning process inevitably changes the parameters of the pre-trained model and…

计算与语言 · 计算机科学 2020-10-06 Zihan Liu , Genta Indra Winata , Andrea Madotto , Pascale Fung

Federated learning is a communication-efficient training process that alternates between local training at the edge devices and averaging the updated local model at the central server. Nevertheless, it is impractical to achieve a perfect…

机器学习 · 计算机科学 2019-11-04 Fan Ang , Li Chen , Nan Zhao , Yunfei Chen , Weidong Wang , F. Richard Yu

Pretrained language models have significantly advanced performance across various natural language processing tasks. However, adversarial attacks continue to pose a critical challenge to systems built using these models, as they can be…

计算与语言 · 计算机科学 2025-05-20 Zhenhao Li , Huichi Zhou , Marek Rei , Lucia Specia

Due to the rising threat of deepfakes to security and privacy, it is most important to develop robust and reliable detectors. In this paper, we examine the need for high-quality samples in the training datasets of such detectors.…

计算机视觉与模式识别 · 计算机科学 2023-05-17 Arian Beckmann , Anna Hilsmann , Peter Eisert

This research addresses the challenge of developing a universal deepfake detector that can effectively identify unseen deepfake images despite limited training data. Existing frequency-based paradigms have relied on frequency-level…

计算机视觉与模式识别 · 计算机科学 2024-03-13 Chuangchuang Tan , Yao Zhao , Shikui Wei , Guanghua Gu , Ping Liu , Yunchao Wei

Deepfakes have become a universal and rapidly intensifying concern of generative AI across various media types such as images, audio, and videos. Among these, audio deepfakes have been of particular concern due to the ease of high-quality…

密码学与安全 · 计算机科学 2025-03-25 Xiang Li , Pin-Yu Chen , Wenqi Wei

Modern mobile devices have access to a wealth of data suitable for learning models, which in turn can greatly improve the user experience on the device. For example, language models can improve speech recognition and text entry, and image…

机器学习 · 计算机科学 2023-01-30 H. Brendan McMahan , Eider Moore , Daniel Ramage , Seth Hampson , Blaise Agüera y Arcas

Deep generative modeling has the potential to cause significant harm to society. Recognizing this threat, a magnitude of research into detecting so-called "Deepfakes" has emerged. This research most often focuses on the image domain, while…

机器学习 · 计算机科学 2021-11-05 Joel Frank , Lea Schönherr

Restoration of images contaminated by different adverse weather conditions such as fog, snow, and rain is a challenging task due to the varying nature of the weather conditions. Most of the existing methods focus on any one particular…

计算机视觉与模式识别 · 计算机科学 2025-07-28 Kotha Kartheek , Lingamaneni Gnanesh Chowdary , Snehasis Mukherjee

As speech generation technology advances, the risk of misuse through deepfake audio has become a pressing concern, which underscores the critical need for robust detection systems. However, many existing speech deepfake datasets are limited…

声音 · 计算机科学 2025-07-30 Wen Huang , Yanmei Gu , Zhiming Wang , Huijia Zhu , Yanmin Qian

The fast and continuous growth in number and quality of deepfake videos calls for the development of reliable detection systems capable of automatically warning users on social media and on the Internet about the potential untruthfulness of…

计算机视觉与模式识别 · 计算机科学 2020-11-17 Luca Bondi , Edoardo Daniele Cannas , Paolo Bestagini , Stefano Tubaro