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The supervised-learning-based morphing attack detection (MAD) solutions achieve outstanding success in dealing with attacks from known morphing techniques and known data sources. However, given variations in the morphing attacks, the…

Computer Vision and Pattern Recognition · Computer Science 2022-08-12 Meiling Fang , Fadi Boutros , Naser Damer

Semi-dense feature matching methods have been significantly advanced by leveraging attention mechanisms to extract discriminative descriptors. However, most existing approaches treat all pixels equally during attention computations, which…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Dongyue Li

Face recognition has evolved as a prominent biometric authentication modality. However, vulnerability to presentation attacks curtails its reliable deployment. Automatic detection of presentation attacks is essential for secure use of face…

Computer Vision and Pattern Recognition · Computer Science 2019-07-10 Anjith George , Sebastien Marcel

This paper presents a novel perspective for enhancing anti-spoofing performance in zero-shot data domain generalization. Unlike traditional image classification tasks, face anti-spoofing datasets display unique generalization…

Computer Vision and Pattern Recognition · Computer Science 2024-06-19 Hyojin Kim , Jiyoon Lee , Yonghyun Jeong , Haneol Jang , YoungJoon Yoo

The field of face anti-spoofing (FAS) has witnessed great progress with the surge of deep learning. Due to its data-driven nature, existing FAS methods are sensitive to the noise in the dataset, which will hurdle the learning process.…

Computer Vision and Pattern Recognition · Computer Science 2022-04-28 Yuanhan Zhang , Yichao Wu , Zhenfei Yin , Jing Shao , Ziwei Liu

Face anti-spoofing is significant to the security of face recognition systems. Previous works on depth supervised learning have proved the effectiveness for face anti-spoofing. Nevertheless, they only considered the depth as an auxiliary…

Computer Vision and Pattern Recognition · Computer Science 2019-03-06 Zezheng Wang , Chenxu Zhao , Yunxiao Qin , Qiusheng Zhou , Guojun Qi , Jun Wan , Zhen Lei

Masked Image Modeling (MIM) has achieved promising progress with the advent of Masked Autoencoders (MAE) and BEiT. However, subsequent works have complicated the framework with new auxiliary tasks or extra pre-trained models, inevitably…

Computer Vision and Pattern Recognition · Computer Science 2023-03-27 Yuan Liu , Songyang Zhang , Jiacheng Chen , Kai Chen , Dahua Lin

Face Anti-Spoofing (FAS) aims to detect malicious attempts to invade a face recognition system by presenting spoofed faces. State-of-the-art FAS techniques predominantly rely on deep learning models but their cross-domain generalization…

Computer Vision and Pattern Recognition · Computer Science 2024-06-21 Rizhao Cai , Zitong Yu , Chenqi Kong , Haoliang Li , Changsheng Chen , Yongjian Hu , Alex Kot

Standard losses for training deep segmentation networks could be seen as individual classifications of pixels, instead of supervising the global shape of the predicted segmentations. While effective, they require exact knowledge of the…

Computer Vision and Pattern Recognition · Computer Science 2021-05-04 Hoel Kervadec , Houda Bahig , Laurent Letourneau-Guillon , Jose Dolz , Ismail Ben Ayed

Many prior face anti-spoofing works develop discriminative models for recognizing the subtle differences between live and spoof faces. Those approaches often regard the image as an indivisible unit, and process it holistically, without…

Computer Vision and Pattern Recognition · Computer Science 2018-07-27 Amin Jourabloo , Yaojie Liu , Xiaoming Liu

Foreground segmentation is an essential task in the field of image understanding. Under unsupervised conditions, different images and instances always have variable expressions, which make it difficult to achieve stable segmentation…

Computer Vision and Pattern Recognition · Computer Science 2020-05-22 Xi Li , Huimin Ma , Hongbing Ma , Yidong Wang

Facial biometrics are widely deployed in smartphone-based applications because of their usability and increased verification accuracy in unconstrained scenarios. The evolving applications of smartphone-based facial recognition have also…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Raghavendra Ramachandra , Jag Mohan Singh , Sushma Venkatesh

Pseudo-labeling is significant for semi-supervised instance segmentation, which generates instance masks and classes from unannotated images for subsequent training. However, in existing pipelines, pseudo-labels that contain valuable…

Computer Vision and Pattern Recognition · Computer Science 2023-08-11 Jie Hu , Chen Chen , Liujuan Cao , Shengchuan Zhang , Annan Shu , Guannan Jiang , Rongrong Ji

Feature pyramid architecture has been broadly adopted in object detection and segmentation to deal with multi-scale problem. However, in this paper we show that the capacity of the architecture has not been fully explored due to the…

Computer Vision and Pattern Recognition · Computer Science 2019-12-17 Fan Yang , Cheng Lu , Yandong Guo , Longin Jan Latecki , Haibin Ling

The robustness and generalization ability of Presentation Attack Detection (PAD) methods is critical to ensure the security of Face Recognition Systems (FRSs). However, in a real scenario, Presentation Attacks (PAs) are various and it is…

Computer Vision and Pattern Recognition · Computer Science 2022-08-02 Wentian Zhang , Haozhe Liu , Feng Liu , Raghavendra Ramachandra , Christoph Busch

Face recognition systems are robust against environmental changes and noise, and thus may be vulnerable to illegal authentication attempts using user face photos, such as spoofing attacks. To prevent such spoofing attacks, it is crucial to…

Computer Vision and Pattern Recognition · Computer Science 2025-09-15 Shota Iwamatsu , Koichi Ito , Takafumi Aoki

Person re-identification aims to match a person's identity across multiple camera streams. Deep neural networks have been successfully applied to the challenging person re-identification task. One remarkable bottleneck is that the existing…

Computer Vision and Pattern Recognition · Computer Science 2018-05-17 Guodong Ding , Shanshan Zhang , Salman Khan , Zhenmin Tang , Jian Zhang , Fatih Porikli

Face anti-spoofing is an important task to protect the security of face recognition. Most of previous work either struggle to capture discriminative and generalizable feature or rely on auxiliary information which is unavailable for most of…

Computer Vision and Pattern Recognition · Computer Science 2021-08-10 Zhuoyi Zhang , Cheng Jiang , Xiya Zhong , Chang Song , Yifeng Zhang

Face image quality is an important factor to enable high performance face recognition systems. Face quality assessment aims at estimating the suitability of a face image for recognition. Previous work proposed supervised solutions that…

Computer Vision and Pattern Recognition · Computer Science 2020-03-23 Philipp Terhörst , Jan Niklas Kolf , Naser Damer , Florian Kirchbuchner , Arjan Kuijper

State-of-the-art spoof detection methods tend to overfit to the spoof types seen during training and fail to generalize to unknown spoof types. Given that face anti-spoofing is inherently a local task, we propose a face anti-spoofing…

Computer Vision and Pattern Recognition · Computer Science 2020-06-17 Debayan Deb , Anil K. Jain