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The rapid progress of photorealistic synthesis techniques has reached at a critical point where the boundary between real and manipulated images starts to blur. Thus, benchmarking and advancing digital forgery analysis have become a…

Computer Vision and Pattern Recognition · Computer Science 2021-07-15 Yinan He , Bei Gan , Siyu Chen , Yichun Zhou , Guojun Yin , Luchuan Song , Lu Sheng , Jing Shao , Ziwei Liu

Although supervised deep representation learning has attracted enormous attentions across areas of pattern recognition and computer vision, little progress has been made towards unsupervised deep representation learning for image…

Computer Vision and Pattern Recognition · Computer Science 2020-09-16 Jinghua Wang , Jianmin Jiang

We address the problem of face anti-spoofing which aims to make the face verification systems robust in the real world settings. The context of detecting live vs. spoofed face images may differ significantly in the target domain, when…

Computer Vision and Pattern Recognition · Computer Science 2021-05-19 Ankush Panwar , Pratyush Singh , Suman Saha , Danda Pani Paudel , Luc Van Gool

Recent deepfake detection studies often treat unseen sample detection as a ``zero-shot" task, training on images generated by known models but generalizing to unknown ones. A key real-world challenge arises when a model performs poorly on…

Computer Vision and Pattern Recognition · Computer Science 2025-08-14 Shibo Yao , Renshuai Tao , Xiaolong Zheng , Chao Liang , Chunjie Zhang

Using printed photograph and replaying videos of biometric modalities, such as iris, fingerprint and face, are common attacks to fool the recognition systems for granting access as the genuine user. With the growing online person-to-person…

Computer Vision and Pattern Recognition · Computer Science 2020-04-01 Joel Stehouwer , Amin Jourabloo , Yaojie Liu , Xiaoming Liu

Visual compatibility is critical for fashion analysis, yet is missing in existing fashion image synthesis systems. In this paper, we propose to explicitly model visual compatibility through fashion image inpainting. To this end, we present…

Computer Vision and Pattern Recognition · Computer Science 2019-04-25 Xintong Han , Zuxuan Wu , Weilin Huang , Matthew R. Scott , Larry S. Davis

This paper proposes a face anti-spoofing user-centered model (FAS-UCM). The major difficulty, in this case, is obtaining fraudulent images from all users to train the models. To overcome this problem, the proposed method is divided in three…

Computer Vision and Pattern Recognition · Computer Science 2019-07-18 Israel A. Laurensi R. , Luciana T. Menon , Manoel Camillo O. Penna N. , Alessandro L. Koerich , Alceu S. Britto

Learning good feature embeddings for images often requires substantial training data. As a consequence, in settings where training data is limited (e.g., few-shot and zero-shot learning), we are typically forced to use a generic feature…

Computer Vision and Pattern Recognition · Computer Science 2019-04-15 Xin Wang , Fisher Yu , Ruth Wang , Trevor Darrell , Joseph E. Gonzalez

Face anti-spoofing (FAS) aims to construct a robust system that can withstand diverse attacks. While recent efforts have concentrated mainly on cross-domain generalization, two significant challenges persist: limited semantic understanding…

Computer Vision and Pattern Recognition · Computer Science 2025-07-31 Kun-Hsiang Lin , Yu-Wen Tseng , Kang-Yang Huang , Jhih-Ciang Wu , Wen-Huang Cheng

The remarkable success in face forgery techniques has received considerable attention in computer vision due to security concerns. We observe that up-sampling is a necessary step of most face forgery techniques, and cumulative up-sampling…

Computer Vision and Pattern Recognition · Computer Science 2021-03-11 Honggu Liu , Xiaodan Li , Wenbo Zhou , Yuefeng Chen , Yuan He , Hui Xue , Weiming Zhang , Nenghai Yu

The increasing difficulty in accurately detecting forged images generated by AIGC(Artificial Intelligence Generative Content) poses many risks, necessitating the development of effective methods to identify and further locate forged areas.…

Computer Vision and Pattern Recognition · Computer Science 2024-06-05 Yang Liu , Xiaofei Li , Jun Zhang , Shengze Hu , Jun Lei

Detecting deepfake images is crucial in combating misinformation. We present a lightweight, generalizable binary classification model based on EfficientNet-B6, fine-tuned with transformation techniques to address severe class imbalances. By…

Multi-view facial expression recognition (FER) is a challenging task because the appearance of an expression varies in poses. To alleviate the influences of poses, recent methods either perform pose normalization or learn separate FER…

Computer Vision and Pattern Recognition · Computer Science 2019-05-27 Yuanyuan Liu , Jiyao Peng , Jiabei Zeng , Shiguang Shan

Style transfer has been an important topic both in computer vision and graphics. Since the seminal work of Gatys et al. first demonstrates the power of stylization through optimization in the deep feature space, quite a few approaches have…

Computer Vision and Pattern Recognition · Computer Science 2019-12-24 Zhijie Wu , Chunjin Song , Yang Zhou , Minglun Gong , Hui Huang

Applications of deep learning to synthetic media generation allow the creation of convincing forgeries, called DeepFakes, with limited technical expertise. DeepFake detection is an increasingly active research area. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2021-08-31 Kevin Lutz , Robert Bassett

The face anti-spoofing (FAS) method performs well under intra-domain setups. However, its cross-domain performance is unsatisfactory. As a result, the domain generalization (DG) method has gained more attention in FAS. Existing methods…

Computer Vision and Pattern Recognition · Computer Science 2023-06-06 Tianyi Zheng

Mask-guided matting networks have achieved significant improvements and have shown great potential in practical applications in recent years. However, simply learning matting representation from synthetic and lack-of-real-world-diversity…

Computer Vision and Pattern Recognition · Computer Science 2024-03-29 Weihao Jiang , Zhaozhi Xie , Yuxiang Lu , Longjie Qi , Jingyong Cai , Hiroyuki Uchiyama , Bin Chen , Yue Ding , Hongtao Lu

The stunning progress in face manipulation methods has made it possible to synthesize realistic fake face images, which poses potential threats to our society. It is urgent to have face forensics techniques to distinguish those tampered…

Computer Vision and Pattern Recognition · Computer Science 2019-12-13 Jia Li , Tong Shen , Wei Zhang , Hui Ren , Dan Zeng , Tao Mei

Face recognition has achieved unprecedented results, surpassing human capabilities in certain scenarios. However, these automatic solutions are not ready for production because they can be easily fooled by simple identity impersonation…

Computer Vision and Pattern Recognition · Computer Science 2019-04-18 Daniel Pérez-Cabo , David Jiménez-Cabello , Artur Costa-Pazo , Roberto J. López-Sastre

Few-shot anomaly detection (FSAD) denotes the identification of anomalies within a target category with a limited number of normal samples. Existing FSAD methods largely rely on pre-trained feature representations to detect anomalies, but…

Computer Vision and Pattern Recognition · Computer Science 2025-12-18 Yuxin Jiang , Yunkang Cao , Weiming Shen