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相关论文: Meta-Teacher For Face Anti-Spoofing

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Data labeling in supervised learning is considered an expensive and infeasible tool in some conditions. The self-supervised learning method is proposed to tackle the learning effectiveness with fewer labeled data, however, there is a lack…

机器学习 · 计算机科学 2021-08-18 Hilal AlQuabeh , Ameera Bawazeer , Abdulateef Alhashmi

In recent years, self-supervised learning has attracted widespread academic debate and addressed many of the key issues of computer vision. The present research focus is on how to construct a good agent task that allows for improved network…

计算机视觉与模式识别 · 计算机科学 2023-03-14 Zhijie Xiao , Zhicheng Dong , Hao Xiang

With the recent development of Semi-Supervised Object Detection (SS-OD) techniques, object detectors can be improved by using a limited amount of labeled data and abundant unlabeled data. However, there are still two challenges that are not…

计算机视觉与模式识别 · 计算机科学 2022-06-22 Yen-Cheng Liu , Chih-Yao Ma , Zsolt Kira

AI-generated face detectors trained via supervised learning typically rely on synthesized images from specific generators, limiting their generalization to emerging generative techniques. To overcome this limitation, we introduce a…

计算机视觉与模式识别 · 计算机科学 2025-07-31 Mian Zou , Nan Zhong , Baosheng Yu , Yibing Zhan , Kede Ma

Face presentation attacks (PA), also known as spoofing attacks, pose a substantial threat to biometric systems that rely on facial recognition systems, such as access control systems, mobile payments, and identity verification systems. To…

计算机视觉与模式识别 · 计算机科学 2023-07-12 Usman Muhammad , Md Ziaul Hoque , Mourad Oussalah , Jorma Laaksonen

The fast evolution and widespread of deepfake techniques in real-world scenarios require stronger generalization abilities of face forgery detectors. Some works capture the features that are unrelated to method-specific artifacts, such as…

计算机视觉与模式识别 · 计算机科学 2022-03-03 Hanqing Zhao , Wenbo Zhou , Dongdong Chen , Weiming Zhang , Nenghai Yu

Modern face recognition systems remain vulnerable to spoofing attempts, including both physical presentation attacks and digital forgeries. Traditionally, these two attack vectors have been handled by separate models, each targeting its own…

计算机视觉与模式识别 · 计算机科学 2025-08-22 Andrei Balykin , Anvar Ganiev , Denis Kondranin , Kirill Polevoda , Nikolai Liudkevich , Artem Petrov

Fully supervised object detection requires training images in which all instances are annotated. This is actually impractical due to the high labor and time costs and the unavoidable missing annotations. As a result, the incomplete…

计算机视觉与模式识别 · 计算机科学 2023-03-15 Haohan Wang , Liang Liu , Boshen Zhang , Jiangning Zhang , Wuhao Zhang , Zhenye Gan , Yabiao Wang , Chengjie Wang , Haoqian Wang

Overfitting is a significant challenge in Few-Shot Learning (FSL), where models trained on small, variable datasets tend to memorize rather than generalize to unseen tasks. Regularization is crucial in FSL to prevent overfitting and enhance…

机器学习 · 计算机科学 2025-02-28 Mohammad Rostami , Atik Faysal , Huaxia Wang , Avimanyu Sahoo

Face deepfake detection has seen impressive results recently. Nearly all existing deep learning techniques for face deepfake detection are fully supervised and require labels during training. In this paper, we design a novel deepfake…

计算机视觉与模式识别 · 计算机科学 2021-04-26 Sheldon Fung , Xuequan Lu , Chao Zhang , Chang-Tsun Li

Face Anti-spoofing (FAS) is essential to secure face recognition systems from various physical attacks. However, most of the studies lacked consideration of long-distance scenarios. Specifically, compared with FAS in traditional scenes such…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Hao Fang , Ajian Liu , Jun Wan , Sergio Escalera , Hugo Jair Escalante , Zhen Lei

Pseudo-label learning methods have been widely applied in weakly-supervised temporal action localization. Existing works directly utilize weakly-supervised base model to generate instance-level pseudo-labels for training the…

计算机视觉与模式识别 · 计算机科学 2025-05-01 Quan Zhang , Yuxin Qi , Xi Tang , Rui Yuan , Xi Lin , Ke Zhang , Chun Yuan

Neural network-based anomaly detection methods have shown to achieve high performance. However, they require a large amount of training data for each task. We propose a neural network-based meta-learning method for supervised anomaly…

机器学习 · 统计学 2021-03-02 Tomoharu Iwata , Atsutoshi Kumagai

The negative impact of label noise is well studied in classical supervised learning yet remains an open research question in meta-learning. Meta-learners aim to adapt to unseen learning tasks by learning a good initial model in…

机器学习 · 计算机科学 2023-09-13 Jeroen M. Galjaard , Robert Birke , Juan Perez , Lydia Y. Chen

Face anti-spoofing is the crucial step to prevent face recognition systems from a security breach. Previous deep learning approaches formulate face anti-spoofing as a binary classification problem. Many of them struggle to grasp adequate…

计算机视觉与模式识别 · 计算机科学 2018-03-30 Yaojie Liu , Amin Jourabloo , Xiaoming Liu

Most existing few-shot learning (FSL) methods require a large amount of labeled data in meta-training, which is a major limit. To reduce the requirement of labels, a semi-supervised meta-training (SSMT) setting has been proposed for FSL,…

计算机视觉与模式识别 · 计算机科学 2025-05-20 Xingping Dong , Tianran Ouyang , Shengcai Liao , Bo Du , Ling Shao

Deep learning has enabled realistic face manipulation (i.e., deepfake), which poses significant concerns over the integrity of the media in circulation. Most existing deep learning techniques for deepfake detection can achieve promising…

计算机视觉与模式识别 · 计算机科学 2022-12-26 Bosheng Yan , Chang-Tsun Li , Xuequan Lu

The unsupervised pretraining of object detectors has recently become a key component of object detector training, as it leads to improved performance and faster convergence during the supervised fine-tuning stage. Existing unsupervised…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Ioannis Maniadis Metaxas , Adrian Bulat , Ioannis Patras , Brais Martinez , Georgios Tzimiropoulos

The primary objective of this work is to present an alternative approach aimed at reducing the dependency on labeled data. Our proposed method involves utilizing autoencoder pre-training within a face image recognition task with two step…

计算机视觉与模式识别 · 计算机科学 2024-02-09 Enoch Solomon , Abraham Woubie , Eyael Solomon Emiru

State-of-the-art computer vision models are mostly trained with supervised learning using human-labeled images, which limits their scalability due to the expensive annotation cost. While self-supervised representation learning has achieved…

计算机视觉与模式识别 · 计算机科学 2023-03-13 Junnan Li , Silvio Savarese , Steven C. H. Hoi
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