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The way to accurately and effectively identify people has always been an interesting topic in research and industry. With the rapid development of artificial intelligence in recent years, facial recognition gains lots of attention due to…

Computer Vision and Pattern Recognition · Computer Science 2018-11-20 Yang Li , Sangwhan Cha

Facial analysis systems have been deployed by large companies and critiqued by scholars and activists for the past decade. Many existing algorithmic audits examine the performance of these systems on later stage elements of facial analysis…

Computers and Society · Computer Science 2022-11-30 Samuel Dooley , George Z. Wei , Tom Goldstein , John P. Dickerson

Multimodal models are becoming increasingly effective, in part due to unified components, such as the Transformer architecture. However, multimodal models still often consist of many task- and modality-specific pieces and training…

Computer Vision and Pattern Recognition · Computer Science 2023-04-04 Michael Tschannen , Basil Mustafa , Neil Houlsby

Through our respiratory system, many viruses and diseases frequently spread and pass from one person to another. Covid-19 served as an example of how crucial it is to track down and cut back on contacts to stop its spread. There is a clear…

Computer Vision and Pattern Recognition · Computer Science 2023-08-25 Mohamed R. Ibrahim , Terry Lyons

An assistive solution to assess incoming threats (e.g., robbery, burglary, gun violence) for homes will enhance the safety of the people with or without disabilities. This paper presents "SafeNet"- an integrated assistive system to generate…

Computer Vision and Pattern Recognition · Computer Science 2020-02-12 Shahinur Alam , Md Sultan Mahmud , Mohammed Yeasin

Face recognition in real life situations like low illumination condition is still an open challenge in biometric security. It is well established that the state-of-the-art methods in face recognition provide low accuracy in the case of poor…

Computer Vision and Pattern Recognition · Computer Science 2019-02-26 Sumit Agarwal , Harshit S. Sikchi , Suparna Rooj , Shubhobrata Bhattacharya , Aurobinda Routray

Typographic attacks exploit multi-modal systems by injecting text into images, leading to targeted misclassifications, malicious content generation and even Vision-Language Model jailbreaks. In this work, we analyze how CLIP vision encoders…

Computer Vision and Pattern Recognition · Computer Science 2026-02-27 Lorenz Hufe , Constantin Venhoff , Erblina Purelku , Maximilian Dreyer , Sebastian Lapuschkin , Wojciech Samek

Facial analysis is an active research area in computer vision, with many practical applications. Most of the existing studies focus on addressing one specific task and maximizing its performance. For a complete facial analysis system, one…

Computer Vision and Pattern Recognition · Computer Science 2021-09-23 Bishwo Adhikari , Xingyang Ni , Esa Rahtu , Heikki Huttunen

Unsupervised image complexity representation often suffers from bias in positive sample selection and sensitivity to image content. We propose CLICv2, a contrastive learning framework that enforces content invariance for complexity…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Shipeng Liu , Liang Zhao , Dengfeng Chen

Face forgery generation technologies generate vivid faces, which have raised public concerns about security and privacy. Many intelligent systems, such as electronic payment and identity verification, rely on face forgery detection.…

Computer Vision and Pattern Recognition · Computer Science 2025-11-13 Zhaoyu Chen , Bo Li , Kaixun Jiang , Shuang Wu , Shouhong Ding , Wenqiang Zhang

Fingerprint presentation attack detection is becoming an increasingly challenging problem due to the continuous advancement of attack preparation techniques, which generate realistic-looking fake fingerprint presentations. In this work,…

Computer Vision and Pattern Recognition · Computer Science 2020-06-22 Leonidas Spinoulas , Hengameh Mirzaalian , Mohamed Hussein , Wael AbdAlmageed

Facial recognition systems are vulnerable to physical (e.g., printed photos) and digital (e.g., DeepFake) face attacks. Existing methods struggle to simultaneously detect physical and digital attacks due to: 1) significant intra-class…

Computer Vision and Pattern Recognition · Computer Science 2025-04-02 Yongze Li , Ning Li , Ajian Liu , Hui Ma , Liying Yang , Xihong Chen , Zhiyao Liang , Yanyan Liang , Jun Wan , Zhen Lei

Existing text recognition methods usually need large-scale training data. Most of them rely on synthetic training data due to the lack of annotated real images. However, there is a domain gap between the synthetic data and real data, which…

Computer Vision and Pattern Recognition · Computer Science 2023-03-03 Mingkun Yang , Minghui Liao , Pu Lu , Jing Wang , Shenggao Zhu , Hualin Luo , Qi Tian , Xiang Bai

Facial forgery methods such as deepfakes can be misused for identity manipulation and spreading misinformation. They have evolved alongside advancements in generative AI, leading to new and more sophisticated forgery techniques that diverge…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Nadarasar Bahavan , Sachith Seneviratne , Sanjay Saha , Ken Chen , Sanka Rasnayaka , Saman Halgamuge

At present spoofing attacks via which biometric system is potentially vulnerable against a fake biometric characteristic, introduces a great challenge to recognition performance. Despite the availability of a broad range of presentation…

Computer Vision and Pattern Recognition · Computer Science 2018-12-19 Avantika Singh , Gaurav Jaswal , Aditya Nigam

Accurate and fast recognition of forgeries is an issue of great importance in the fields of artificial intelligence, image processing and object detection. Recognition of forgeries of facial imagery is the process of classifying and…

Computer Vision and Pattern Recognition · Computer Science 2024-11-19 Günel Jabbarlı , Murat Kurt

Face deepfake detection has seen impressive results recently. Nearly all existing deep learning techniques for face deepfake detection are fully supervised and require labels during training. In this paper, we design a novel deepfake…

Computer Vision and Pattern Recognition · Computer Science 2021-04-26 Sheldon Fung , Xuequan Lu , Chao Zhang , Chang-Tsun Li

Fingerprint capture systems can be fooled by widely accessible methods to spoof the system using fake fingers, known as presentation attacks. As biometric recognition systems become more extensively relied upon at international borders and…

Image and Video Processing · Electrical Eng. & Systems 2021-04-09 Richard Plesh , Keivan Bahmani , Ganghee Jang , David Yambay , Ken Brownlee , Timothy Swyka , Peter Johnson , Arun Ross , Stephanie Schuckers

In video based face recognition, face images are typically captured over multiple frames in uncontrolled conditions, where head pose, illumination, shadowing, motion blur and focus change over the sequence. Additionally, inaccuracies in…

Computer Vision and Pattern Recognition · Computer Science 2014-03-17 Yongkang Wong , Shaokang Chen , Sandra Mau , Conrad Sanderson , Brian C. Lovell

Smart mobile devices have become indispensable in modern daily life, where sensitive information is frequently processed, stored, and transmitted-posing critical demands for robust security controls. Given that touchscreens are the primary…

Cryptography and Security · Computer Science 2025-04-25 Mengyu Qiao , Yunpeng Zhai , Yang Wang