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Selective classification enables models to make predictions only when they are sufficiently confident, aiming to enhance safety and reliability, which is important in high-stakes scenarios. Previous methods mainly use deep neural networks…

Machine Learning · Computer Science 2024-06-10 Yu-Chang Wu , Shen-Huan Lyu , Haopu Shang , Xiangyu Wang , Chao Qian

In the absence of vaccines or medicines to stop COVID-19, one of the effective methods to slow the spread of the coronavirus and reduce the overloading of healthcare is to wear a face mask. Nevertheless, to mandate the use of face masks or…

Computer Vision and Pattern Recognition · Computer Science 2021-10-04 Chun-Wei Yang , Thanh-Hai Phung , Hong-Han Shuai , Wen-Huang Cheng

Pseudo-label-based semi-supervised learning (SSL) has achieved great success on raw data utilization. However, its training procedure suffers from confirmation bias due to the noise contained in self-generated artificial labels. Moreover,…

Computer Vision and Pattern Recognition · Computer Science 2022-09-12 Fan Yang , Kai Wu , Shuyi Zhang , Guannan Jiang , Yong Liu , Feng Zheng , Wei Zhang , Chengjie Wang , Long Zeng

Face presentation attack detection (FacePAD) is critical for securing facial authentication against print, replay, and mask-based spoofing. This paper proposes CASO-PAD, an RGB-only, single-frame model that enhances MobileNetV3 with…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Shujaat Khan

In deepfake detection, the varying degrees of compression employed by social media platforms pose significant challenges for model generalization and reliability. Although existing methods have progressed from single-modal to multimodal…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Ching-Yi Lai , Chih-Yu Jian , Pei-Cheng Chuang , Chia-Ming Lee , Chih-Chung Hsu , Chiou-Ting Hsu , Chia-Wen Lin

We present Cycle-Contrastive Learning (CCL), a novel self-supervised method for learning video representation. Following a nature that there is a belong and inclusion relation of video and its frames, CCL is designed to find correspondences…

Computer Vision and Pattern Recognition · Computer Science 2020-10-29 Quan Kong , Wenpeng Wei , Ziwei Deng , Tomoaki Yoshinaga , Tomokazu Murakami

Face anti-spoofing is essential to prevent face recognition systems from a security breach. Much of the progresses have been made by the availability of face anti-spoofing benchmark datasets in recent years. However, existing face…

Computer Vision and Pattern Recognition · Computer Science 2019-04-02 Shifeng Zhang , Xiaobo Wang , Ajian Liu , Chenxu Zhao , Jun Wan , Sergio Escalera , Hailin Shi , Zezheng Wang , Stan Z. Li

Face anti-spoofing is essential to prevent false facial verification by using a photo, video, mask, or a different substitute for an authorized person's face. Most of the state-of-the-art presentation attack detection (PAD) systems suffer…

Computer Vision and Pattern Recognition · Computer Science 2021-09-10 Alperen Kantarcı , Hasan Dertli , Hazım Kemal Ekenel

With the increased deployment of face recognition systems in our daily lives, face presentation attack detection (PAD) is attracting much attention and playing a key role in securing face recognition systems. Despite the great performance…

Computer Vision and Pattern Recognition · Computer Science 2021-11-03 Meiling Fang , Naser Damer , Florian Kirchbuchner , Arjan Kuijper

The rapid progress in 3D scene understanding has come with growing demand for data; however, collecting and annotating 3D scenes (e.g. point clouds) are notoriously hard. For example, the number of scenes (e.g. indoor rooms) that can be…

Computer Vision and Pattern Recognition · Computer Science 2021-06-29 Ji Hou , Benjamin Graham , Matthias Nießner , Saining Xie

In response to the ongoing COVID-19 pandemic, we present a robust deep learning pipeline that is capable of identifying correct and incorrect mask-wearing from real-time video streams. To accomplish this goal, we devised two separate…

Computer Vision and Pattern Recognition · Computer Science 2021-05-06 Yuchen Ding , Zichen Li , David Yastremsky

Unsupervised person re-identification (Re-ID) aims to learn a feature network with cross-camera retrieval capability in unlabelled datasets. Although the pseudo-label based methods have achieved great progress in Re-ID, their performance in…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Mingxiao Zheng , Yanpeng Qu , Changjing Shang , Longzhi Yang , Qiang Shen

3D mask presentation attack detection is crucial for protecting face recognition systems against the rising threat of 3D mask attacks. While most existing methods utilize multimodal features or remote photoplethysmography (rPPG) signals to…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Fangling Jiang , Qi Li , Bing Liu , Weining Wang , Caifeng Shan , Zhenan Sun , Ming-Hsuan Yang

The rapid advancement of facial forgery techniques poses severe threats to public trust and information security, making facial DeepFake detection a critical research priority. Continual learning provides an effective approach to adapt…

Computer Vision and Pattern Recognition · Computer Science 2026-04-10 Yushuo Zhang , Yu Cheng , Yongkang Hu , Jiuan Zhou , Jiawei Chen , Yuan Xie , Zhaoxia Yin

Existing camouflage object detection (COD) methods typically rely on fully-supervised learning guided by mask annotations. However, obtaining mask annotations is time-consuming and labor-intensive. Compared to fully-supervised methods,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Jingchen Ni , Quan Zhang , Dan Jiang , Keyu Lv , Ke Zhang , Chun Yuan

Automated deception detection (ADD) from real-life videos is a challenging task. It specifically needs to address two problems: (1) Both face and body contain useful cues regarding whether a subject is deceptive. How to effectively fuse the…

Computer Vision and Pattern Recognition · Computer Science 2018-12-12 Mingyu Ding , An Zhao , Zhiwu Lu , Tao Xiang , Ji-Rong Wen

Modern face recognition systems remain vulnerable to spoofing attempts, including both physical presentation attacks and digital forgeries. Traditionally, these two attack vectors have been handled by separate models, each targeting its own…

Computer Vision and Pattern Recognition · Computer Science 2025-08-22 Andrei Balykin , Anvar Ganiev , Denis Kondranin , Kirill Polevoda , Nikolai Liudkevich , Artem Petrov

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

Video Anomaly Detection (VAD) remains a fundamental yet formidable task in the video understanding community, with promising applications in areas such as information forensics and public safety protection. Due to the rarity and diversity…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Yang Liu , Hongjin Wang , Zepu Wang , Xiaoguang Zhu , Jing Liu , Peng Sun , Rui Tang , Jianwei Du , Victor C. M. Leung , Liang Song

An adversary can fool deep neural network object detectors by generating adversarial noises. Most of the existing works focus on learning local visible noises in an adversarial "patch" fashion. However, the 2D patch attached to a 3D object…

Computer Vision and Pattern Recognition · Computer Science 2022-05-17 Yexin Duan , Jialin Chen , Xingyu Zhou , Junhua Zou , Zhengyun He , Jin Zhang , Wu Zhang , Zhisong Pan