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In recent years, face recognition systems have achieved exceptional success due to promising advances in deep learning architectures. However, they still fail to achieve expected accuracy when matching profile images against a gallery of…

Computer Vision and Pattern Recognition · Computer Science 2022-09-16 Moktari Mostofa , Mohammad Saeed Ebrahimi Saadabadi , Sahar Rahimi Malakshan , Nasser M. Nasrabadi

Face anti-spoofing (FAS) based on domain generalization (DG) has been recently studied to improve the generalization on unseen scenarios. Previous methods typically rely on domain labels to align the distribution of each domain for learning…

Computer Vision and Pattern Recognition · Computer Science 2023-12-01 Qianyu Zhou , Ke-Yue Zhang , Taiping Yao , Xuequan Lu , Ran Yi , Shouhong Ding , Lizhuang Ma

Person identification in forensic investigations becomes very challenging when common identification means for DNA (i.e., hair strands, soft tissue) are not available. Current methods utilize deep learning methods for face recognition.…

Computer Vision and Pattern Recognition · Computer Science 2026-01-15 Ravi Shankar Prasad , Dinesh Singh

This work presents an end-to-end pipeline for generating, refining, and evaluating adversarial patches to compromise facial biometric systems, with applications in forensic analysis and security testing. We utilize FGSM to generate…

Computer Vision and Pattern Recognition · Computer Science 2026-01-16 Shahrzad Sayyafzadeh , Hongmei Chi , Shonda Bernadin

Person re-identification is a problem of identifying individuals across non-overlapping cameras. Although remarkable progress has been made in the re-identification problem, it is still a challenging problem due to appearance variations of…

Computer Vision and Pattern Recognition · Computer Science 2022-11-09 Seongyeop Yang , Byeongkeun Kang , Yeejin Lee

In response to the growing threat of deepfake technology, we introduce BENet, a Cross-Domain Robust Bias Expansion Network. BENet enhances the detection of fake faces by addressing limitations in current detectors related to variations…

Computer Vision and Pattern Recognition · Computer Science 2024-12-11 Weihua Liu , Jianhua Qiu , Said Boumaraf , Chaochao lin , Pan liyuan , Lin Li , Mohammed Bennamoun , Naoufel Werghi

Adversarial patches are optimized contiguous pixel blocks in an input image that cause a machine-learning model to misclassify it. However, their optimization is computationally demanding, and requires careful hyperparameter tuning,…

Cryptography and Security · Computer Science 2025-01-16 Maura Pintor , Daniele Angioni , Angelo Sotgiu , Luca Demetrio , Ambra Demontis , Battista Biggio , Fabio Roli

The rapid advancement of generative artificial intelligence has enabled the creation of highly realistic fake facial images, posing serious threats to personal privacy and the integrity of online information. Existing deepfake detection…

Computer Vision and Pattern Recognition · Computer Science 2025-12-29 Huanhuan Yuan , Yang Ping , Zhengqin Xu , Junyi Cao , Shuai Jia , Chao Ma

Face anti-spoofing (FAS) approaches based on unsupervised domain adaption (UDA) have drawn growing attention due to promising performances for target scenarios. Most existing UDA FAS methods typically fit the trained models to the target…

Computer Vision and Pattern Recognition · Computer Science 2022-11-24 Qianyu Zhou , Ke-Yue Zhang , Taiping Yao , Ran Yi , Kekai Sheng , Shouhong Ding , Lizhuang Ma

The performance of person re-identification (Re-ID) has been seriously effected by the large cross-view appearance variations caused by mutual occlusions and background clutters. Hence learning a feature representation that can adaptively…

Computer Vision and Pattern Recognition · Computer Science 2021-12-01 Sanping Zhou , Jinjun Wang , Deyu Meng , Yudong Liang , Yihong Gong , Nanning Zheng

Localization of anatomical landmarks is essential for clinical diagnosis, treatment planning, and research. In this paper, we propose a novel deep network, named feature aggregation and refinement network (FARNet), for the automatic…

Computer Vision and Pattern Recognition · Computer Science 2021-11-02 Yueyuan Ao , Hong Wu

Face anti-spoofing (FAS) has recently advanced in multimodal fusion, cross-domain generalization, and interpretability. With large language models and reinforcement learning (RL), strategy-based training offers new opportunities to jointly…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Yingjie Ma , Xun Lin , Yong Xu , Weicheng Xie , Zitong Yu

With diverse presentation forgery methods emerging continually, detecting the authenticity of images has drawn growing attention. Although existing methods have achieved impressive accuracy in training dataset detection, they still perform…

Computer Vision and Pattern Recognition · Computer Science 2024-03-20 Yingxin Lai , Guoqing Yang Yifan He , Zhiming Luo , Shaozi Li

Face anti-spoofing (FAS) plays a vital role in preventing face recognition systems from presentation attacks. Existing face anti-spoofing datasets lack diversity due to the insufficient identity and insignificant variance, which limits the…

Computer Vision and Pattern Recognition · Computer Science 2021-12-02 Hangtong Wu , Dan Zen , Yibo Hu , Hailin Shi , Tao Mei

Face Presentation Attack Detection (PAD) plays a pivotal role in securing face recognition systems against spoofing attacks. Although great progress has been made in designing face PAD methods, developing a model that can generalize well to…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Usman Muhammad , Jorma Laaksonen , Djamila Romaissa Beddiar , Mourad Oussalah

In the rapidly evolving landscape of digital security, biometric authentication systems, particularly facial recognition, have emerged as integral components of various security protocols. However, the reliability of these systems is…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Oleksandr Kuznetsov , Emanuele Frontoni , Luca Romeo , Riccardo Rosati , Andrea Maranesi , Alessandro Muscatello

An end-to-end trainable ConvNet architecture, that learns to harness the power of shape representation for matching disparate image pairs, is proposed. Disparate image pairs are deemed those that exhibit strong affine variations in scale,…

Computer Vision and Pattern Recognition · Computer Science 2018-11-27 Shefali Srivastava , Abhimanyu Chopra , Arun CS Kumar , Suchendra M. Bhandarkar , Deepak Sharma

Effective image classification hinges on discerning relevant features from both foreground and background elements, with the foreground typically holding the critical information. While humans adeptly classify images with limited exposure,…

Computer Vision and Pattern Recognition · Computer Science 2024-05-08 Weihao Jiang , Haoyang Cui , Kun He

Robust features are of vital importance to face spoofing detection, because various situations make feature space extremely complicated to partition. Thus in this paper, two novel and robust features for anti-spoofing are proposed. The…

Computer Vision and Pattern Recognition · Computer Science 2018-03-14 Xiao Song , Xu Zhao , Tianwei Lin

Facial identification systems are increasingly deployed in surveillance and yet their vulnerability to adversarial evasion and impersonation attacks pose a critical risk. This paper introduces a novel framework for generating adversarial…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Noe Claudel , Weisi Guo , Yang Xing