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

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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

To address semi-supervised learning from both labeled and unlabeled data, we present a novel meta-learning scheme. We particularly consider that labeled and unlabeled data share disjoint ground truth label sets, which can be seen tasks like…

计算机视觉与模式识别 · 计算机科学 2020-08-26 Yun-Chun Chen , Chao-Te Chou , Yu-Chiang Frank Wang

Face anti-spoofing (FAS) is an indispensable and widely used module in face recognition systems. Although high accuracy has been achieved, a FAS system will never be perfect due to the non-stationary applied environments and the potential…

计算机视觉与模式识别 · 计算机科学 2021-06-29 Bowen Yang , Jing Zhang , Zhenfei Yin , Jing Shao

In recent year, tremendous strides have been made in face detection thanks to deep learning. However, most published face detectors deteriorate dramatically as the faces become smaller. In this paper, we present the Small Faces Attention…

计算机视觉与模式识别 · 计算机科学 2019-12-02 Shi Luo , Xiongfei Li , Rui Zhu , Xiaoli Zhang

Supervised learning based object detection frameworks demand plenty of laborious manual annotations, which may not be practical in real applications. Semi-supervised object detection (SSOD) can effectively leverage unlabeled data to improve…

计算机视觉与模式识别 · 计算机科学 2021-03-23 Qiang Zhou , Chaohui Yu , Zhibin Wang , Qi Qian , Hao Li

To benefit the learning of a new task, meta-learning has been proposed to transfer a well-generalized meta-model learned from various meta-training tasks. Existing meta-learning algorithms randomly sample meta-training tasks with a uniform…

机器学习 · 计算机科学 2021-10-28 Huaxiu Yao , Yu Wang , Ying Wei , Peilin Zhao , Mehrdad Mahdavi , Defu Lian , Chelsea Finn

Semi-supervised object detection has made significant progress with the development of mean teacher driven self-training. Despite the promising results, the label mismatch problem is not yet fully explored in the previous works, leading to…

计算机视觉与模式识别 · 计算机科学 2022-06-15 Binbin Chen , Weijie Chen , Shicai Yang , Yunyi Xuan , Jie Song , Di Xie , Shiliang Pu , Mingli Song , Yueting Zhuang

Recently, vision transformer (ViT) based multimodal learning methods have been proposed to improve the robustness of face anti-spoofing (FAS) systems. However, there are still no works to explore the fundamental natures (\textit{e.g.},…

计算机视觉与模式识别 · 计算机科学 2023-02-14 Zitong Yu , Rizhao Cai , Yawen Cui , Xin Liu , Yongjian Hu , Alex Kot

As Facial Recognition System(FRS) is widely applied in areas such as access control and mobile payments due to its convenience and high accuracy. The security of facial recognition is also highly regarded. The Face anti-spoofing system(FAS)…

计算机视觉与模式识别 · 计算机科学 2023-08-10 Qiushi Guo

Although previous CNN based face anti-spoofing methods have achieved promising performance under intra-dataset testing, they suffer from poor generalization under cross-dataset testing. The main reason is that they learn the network with…

计算机视觉与模式识别 · 计算机科学 2022-02-22 Ying Bian , Peng Zhang , Jingjing Wang , Chunmao Wang , Shiliang Pu

Speaker identification systems are deployed in diverse environments, often different from the lab conditions on which they are trained and tested. In this paper, first, we show the problem of generalization using fixed thresholds (computed…

音频与语音处理 · 电气工程与系统科学 2023-10-03 Ashutosh Chaubey , Sparsh Sinha , Susmita Ghose

Masked autoencoders (MAEs) have established themselves as a powerful method for unsupervised pre-training for computer vision tasks. While vanilla MAEs put equal emphasis on reconstructing the individual parts of the image, we propose to…

计算机视觉与模式识别 · 计算机科学 2024-02-26 Leon Sick , Dominik Engel , Pedro Hermosilla , Timo Ropinski

Semi-supervised wrapper methods are concerned with building effective supervised classifiers from partially labeled data. Though previous works have succeeded in some fields, it is still difficult to apply semi-supervised wrapper methods to…

机器学习 · 计算机科学 2016-11-15 Fuqaing Liu , Chenwei Deng , Fukun Bi , Yiding Yang

Meta learning is a promising technique for solving few-shot fault prediction problems, which have attracted the attention of many researchers in recent years. Existing meta-learning methods for time series prediction, which predominantly…

机器学习 · 计算机科学 2023-11-07 Hai Su , Jiajun Hu , Songsen Yu

We present Polite Teacher, a simple yet effective method for the task of semi-supervised instance segmentation. The proposed architecture relies on the Teacher-Student mutual learning framework. To filter out noisy pseudo-labels, we use…

计算机视觉与模式识别 · 计算机科学 2022-11-09 Dominik Filipiak , Andrzej Zapała , Piotr Tempczyk , Anna Fensel , Marek Cygan

Cross domain object detection learns an object detector for an unlabeled target domain by transferring knowledge from an annotated source domain. Promising results have been achieved via Mean Teacher, however, pseudo labeling which is the…

计算机视觉与模式识别 · 计算机科学 2024-07-11 Jiangming Chen , Li Liu , Wanxia Deng , Zhen Liu , Yu Liu , Yingmei Wei , Yongxiang Liu

Masked image modeling (MIM) has become a popular strategy for self-supervised learning~(SSL) of visual representations with Vision Transformers. A representative MIM model, the masked auto-encoder (MAE), randomly masks a subset of image…

计算机视觉与模式识别 · 计算机科学 2022-10-06 Youngwan Lee , Jeffrey Willette , Jonghee Kim , Juho Lee , Sung Ju Hwang

Face anti-spoofing aims to prevent false authentications of face recognition systems by distinguishing whether an image is originated from a human face or a spoof medium. We propose a novel method called Doubly Adversarial Suppression…

计算机视觉与模式识别 · 计算机科学 2020-12-03 Taewook Kim , Yonghyun Kim

In many critical computer vision scenarios unlabeled data is plentiful, but labels are scarce and difficult to obtain. As a result, semi-supervised learning which leverages unlabeled data to boost the performance of supervised classifiers…

计算机视觉与模式识别 · 计算机科学 2025-05-29 Jay C. Rothenberger , Dimitrios I. Diochnos

Few-shot text classification aims to recognize unseen classes with limited labeled text samples. Existing approaches focus on boosting meta-learners by developing complex algorithms in the training stage. However, the labeled samples are…

机器学习 · 计算机科学 2026-03-04 Yunlong Gao , Xinyue Liu , Yingbo Wang , Linlin Zong , Bo Xu