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Recently, adversarial-based domain adaptive object detection (DAOD) methods have been developed rapidly. However, there are two issues that need to be resolved urgently. Firstly, numerous methods reduce the distributional shifts only by…

Computer Vision and Pattern Recognition · Computer Science 2020-12-17 Chengyang Liang , Zixiang Zhao , Junmin Liu , Jiangshe Zhang

Deepfake detectors face growing challenges in generalization as new image synthesis techniques emerge. In particular, deepfakes generated by diffusion models are highly photorealistic and often evade detectors trained on GAN-based…

Computer Vision and Pattern Recognition · Computer Science 2026-04-17 Hongyuan Qi , Wenjin Hou , Hehe Fan , Jun Xiao

Constrained Local Models (CLMs) are a well-established family of methods for facial landmark detection. However, they have recently fallen out of favor to cascaded regression-based approaches. This is in part due to the inability of…

Computer Vision and Pattern Recognition · Computer Science 2017-07-28 Amir Zadeh , Tadas Baltrušaitis , Louis-Philippe Morency

Weakly Supervised Object Localization (WSOL) methodsusually rely on fully convolutional networks in order to ob-tain class activation maps(CAMs) of targeted labels. How-ever, these networks always highlight the most discriminativeparts to…

Computer Vision and Pattern Recognition · Computer Science 2019-09-12 Ziyi Kou , Wentian Zhao , Guofeng Cui , Shaojie Wang

The emergence of deepfake technology has introduced a range of societal problems, garnering considerable attention. Current deepfake detection methods perform well on specific datasets, but exhibit poor performance when applied to datasets…

Computer Vision and Pattern Recognition · Computer Science 2025-08-15 Lixin Jia , Zhiqing Guo , Gaobo Yang , Liejun Wang , Keqin Li

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…

Computer Vision and Pattern Recognition · Computer Science 2018-03-30 Yaojie Liu , Amin Jourabloo , Xiaoming Liu

Anomaly detection is important in many real-life applications. Recently, self-supervised learning has greatly helped deep anomaly detection by recognizing several geometric transformations. However these methods lack finer features, usually…

Computer Vision and Pattern Recognition · Computer Science 2022-12-12 Loic Jezequel , Ngoc-Son Vu , Jean Beaudet , Aymeric Histace

This paper presents a structured ordinal measure method for video-based face recognition that simultaneously learns ordinal filters and structured ordinal features. The problem is posed as a non-convex integer program problem that includes…

Computer Vision and Pattern Recognition · Computer Science 2015-07-10 Ran He , Tieniu Tan , Larry Davis , Zhenan Sun

Face anti-spoofing plays a critical role in safeguarding facial recognition systems against presentation attacks. While existing deep learning methods show promising results, they still suffer from the lack of fine-grained annotations,…

Computer Vision and Pattern Recognition · Computer Science 2023-10-13 Xu Chen , Yunde Jia , Yuwei Wu

Recent works in deep-learning have shown that second-order information is beneficial in many computer-vision tasks. Second-order information can be enforced both in the spatial context and the abstract feature dimensions. In this work, we…

Computer Vision and Pattern Recognition · Computer Science 2020-08-05 Tony Ng , Vassileios Balntas , Yurun Tian , Krystian Mikolajczyk

As deepfake content proliferates online, advancing face manipulation forensics has become crucial. To combat this emerging threat, previous methods mainly focus on studying how to distinguish authentic and manipulated face images. Although…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Changtao Miao , Qi Chu , Zhentao Tan , Zhenchao Jin , Tao Gong , Wanyi Zhuang , Yue Wu , Bin Liu , Honggang Hu , Nenghai Yu

Few-shot learning (FSL) aims to learn novel visual categories from very few samples, which is a challenging problem in real-world applications. Many methods of few-shot classification work well on general images to learn global…

Computer Vision and Pattern Recognition · Computer Science 2020-12-15 Xiaojian He , Jinfu Lin , Junming Shen

Existing deepfake detectors face several challenges in achieving robustness and generalization. One of the primary reasons is their limited ability to extract relevant information from forgery videos, especially in the presence of various…

Computer Vision and Pattern Recognition · Computer Science 2023-05-01 Zhiyuan Yan , Peng Sun , Yubo Lang , Shuo Du , Shanzhuo Zhang , Wei Wang , Lei Liu

In this paper, we propose a novel object detection algorithm named "Deep Regionlets" by integrating deep neural networks and a conventional detection schema for accurate generic object detection. Motivated by the effectiveness of regionlets…

Computer Vision and Pattern Recognition · Computer Science 2019-12-04 Hongyu Xu , Xutao Lv , Xiaoyu Wang , Zhou Ren , Navaneeth Bodla , Rama Chellappa

Image forgery localization aims to identify forged regions by capturing subtle traces from high-quality discriminative features. In this paper, we propose a Transformer-style network with two feature extraction branches for image forgery…

Computer Vision and Pattern Recognition · Computer Science 2023-06-14 Yaqi Liu , Binbin Lv , Xin Jin , Xiaoyu Chen , Xiaokun Zhang

Face anti-spoofing has drawn a lot of attention due to the high security requirements in biometric authentication systems. Bringing face biometric to commercial hardware became mostly dependent on developing reliable methods for detecting…

Computer Vision and Pattern Recognition · Computer Science 2022-06-15 Nikolay Sergievskiy , Roman Vlasov , Roman Trusov

In this work, we explore Self-supervised Learning (SSL) as an auxiliary task to blend the texture-based local descriptors into feature modelling for efficient face analysis. Combining a primary task and a self-supervised auxiliary task is…

Computer Vision and Pattern Recognition · Computer Science 2024-11-06 Shukesh Reddy , Nishit Poddar , Srijan Das , Abhijit Das

Detecting abnormal nodes from attributed networks is of great importance in many real applications, such as financial fraud detection and cyber security. This task is challenging due to both the complex interactions between the anomalous…

Machine Learning · Computer Science 2023-10-02 Jiaqiang Zhang , Senzhang Wang , Songcan Chen

In the realm of machine learning, the study of anomaly detection and localization within image data has gained substantial traction, particularly for practical applications such as industrial defect detection. While the majority of existing…

Computer Vision and Pattern Recognition · Computer Science 2023-05-02 Wenping Jin , Fei Guo , Li Zhu

As ultra-realistic face forgery techniques emerge, deepfake detection has attracted increasing attention due to security concerns. Many detectors cannot achieve accurate results when detecting unseen manipulations despite excellent…

Computer Vision and Pattern Recognition · Computer Science 2022-11-08 Zihan Liu , Hanyi Wang , Shilin Wang