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Data augmentation (DA) techniques aim to increase data variability, and thus train deep networks with better generalisation. The pioneering AutoAugment automated the search for optimal DA policies with reinforcement learning. However,…

Computer Vision and Pattern Recognition · Computer Science 2020-07-31 Yonggang Li , Guosheng Hu , Yongtao Wang , Timothy Hospedales , Neil M. Robertson , Yongxin Yang

In the field of deep learning applied to face recognition, securing large-scale, high-quality datasets is vital for attaining precise and reliable results. However, amassing significant volumes of high-quality real data faces hurdles such…

Computer Vision and Pattern Recognition · Computer Science 2023-05-18 Omer Granoviter , Alexey Gruzdev , Vladimir Loginov , Max Kogan , Orly Zvitia

Surveillance systems play a critical role in security and reconnaissance, but their performance is often compromised by low-quality images and videos, leading to reduced accuracy in face recognition. Additionally, existing AI-based facial…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Anees Nashath Shaik , Barbara Villarini , Vasileios Argyriou

Counterfactual data augmentation (CDA) is a method for controlling information or biases in training datasets by generating a complementary dataset with typically opposing biases. Prior work often either relies on hand-crafted rules or…

Machine Learning · Computer Science 2025-02-26 Mitchell Plyler , Min Chi

With recent advances in speech synthesis including text-to-speech (TTS) and voice conversion (VC) systems enabling the generation of ultra-realistic audio deepfakes, there is growing concern about their potential misuse. However, most…

Sound · Computer Science 2024-04-24 Zuheng Kang , Yayun He , Botao Zhao , Xiaoyang Qu , Junqing Peng , Jing Xiao , Jianzong Wang

The generalization of deepfake detectors to unseen manipulation techniques remains a challenge for practical deployment. Although many approaches adapt foundation models by introducing significant architectural complexity, this work…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Andrii Yermakov , Jan Cech , Jiri Matas , Mario Fritz

The challenge in sourcing attribution for forgery faces has gained widespread attention due to the rapid development of generative techniques. While many recent works have taken essential steps on GAN-generated faces, more threatening…

Computer Vision and Pattern Recognition · Computer Science 2023-09-22 Zhimin Sun , Shen Chen , Taiping Yao , Bangjie Yin , Ran Yi , Shouhong Ding , Lizhuang Ma

The generalization gap in reinforcement learning (RL) has been a significant obstacle that prevents the RL agent from learning general skills and adapting to varying environments. Increasing the generalization capacity of the RL systems can…

Machine Learning · Computer Science 2021-12-06 Hanping Zhang , Yuhong Guo

In this paper, we introduce the idea of using adversarially-generated samples of the input images that were classified as deepfakes by a detector, to form perturbation masks for inferring the importance of different input features and…

Computer Vision and Pattern Recognition · Computer Science 2025-02-07 Konstantinos Tsigos , Evlampios Apostolidis , Vasileios Mezaris

As GAN-based video and image manipulation technologies become more sophisticated and easily accessible, there is an urgent need for effective deepfake detection technologies. Moreover, various deepfake generation techniques have emerged…

Computer Vision and Pattern Recognition · Computer Science 2021-05-31 Minha Kim , Shahroz Tariq , Simon S. Woo

Deep learning has revolutionized the performance of classification, but meanwhile demands sufficient labeled data for training. Given insufficient data, while many techniques have been developed to help combat overfitting, the challenge…

Computer Vision and Pattern Recognition · Computer Science 2018-09-05 Xiaofeng Zhang , Zhangyang Wang , Dong Liu , Qing Ling

Deep Imitation Learning requires a large number of expert demonstrations, which are not always easy to obtain, especially for complex tasks. A way to overcome this shortage of labels is through data augmentation. However, this cannot be…

Machine Learning · Computer Science 2021-03-29 Dafni Antotsiou , Carlo Ciliberto , Tae-Kyun Kim

The rapid evolution of deep generative models poses a critical challenge to deepfake detection, as detectors trained on forgery-specific artifacts often suffer significant performance degradation when encountering unseen forgeries. While…

Computer Vision and Pattern Recognition · Computer Science 2025-04-25 Mengyu Qiao , Runze Tian , Yang Wang

Data augmentation is crucial for improving the robustness of face detection systems, especially under challenging conditions such as occlusion, illumination variation, and complex environments. Traditional copy paste augmentation often…

Computer Vision and Pattern Recognition · Computer Science 2025-12-15 Qiushi Guo

With the development of generative artificial intelligence, new forgery methods are rapidly emerging. Social platforms are flooded with vast amounts of unlabeled synthetic data and authentic data, making it increasingly challenging to…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Midou Guo , Qilin Yin , Wei Lu , Xiangyang Luo

Recent work has shown that data augmentation has the potential to significantly improve the generalization of deep learning models. Recently, automated augmentation strategies have led to state-of-the-art results in image classification and…

Computer Vision and Pattern Recognition · Computer Science 2019-11-15 Ekin D. Cubuk , Barret Zoph , Jonathon Shlens , Quoc V. Le

The standard approach to tackling computer vision problems is to train deep convolutional neural network (CNN) models using large-scale image datasets which are representative of the target task. However, in many scenarios, it is often…

Computer Vision and Pattern Recognition · Computer Science 2024-04-01 Alhassan Mumuni , Fuseini Mumuni , Nana Kobina Gerrar

Face forgery detection is essential in combating malicious digital face attacks. Previous methods mainly rely on prior expert knowledge to capture specific forgery clues, such as noise patterns, blending boundaries, and frequency artifacts.…

Computer Vision and Pattern Recognition · Computer Science 2023-04-26 Anwei Luo , Chenqi Kong , Jiwu Huang , Yongjian Hu , Xiangui Kang , Alex C. Kot

Collecting and annotating real-world data for the development of object detection models is a time-consuming and expensive process. In the military domain in particular, data collection can also be dangerous or infeasible. Training models…

Computer Vision and Pattern Recognition · Computer Science 2024-05-31 Frank A. Ruis , Alma M. Liezenga , Friso G. Heslinga , Luca Ballan , Thijs A. Eker , Richard J. M. den Hollander , Martin C. van Leeuwen , Judith Dijk , Wyke Huizinga

Recent advances in deep generative models have made it easier to manipulate face videos, raising significant concerns about their potential misuse for fraud and misinformation. Existing detectors often perform well in in-domain scenarios…

Computer Vision and Pattern Recognition · Computer Science 2026-01-26 Yinqi Cai , Jichang Li , Zhaolun Li , Weikai Chen , Rushi Lan , Xi Xie , Xiaonan Luo , Guanbin Li