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Presentation attack detection (PAD) subsystems are an important part of effective and user-friendly remote identity validation (RIV) systems. However, ensuring robust performance across diverse environmental and procedural conditions…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 John J. Howard , Richard O. Plesh , Yevgeniy B. Sirotin , Jerry L. Tipton , Arun R. Vemury

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

Few-shot object detection (FSOD) aims to detect objects using only a few examples. How to adapt state-of-the-art object detectors to the few-shot domain remains challenging. Object proposal is a key ingredient in modern object detectors.…

Computer Vision and Pattern Recognition · Computer Science 2022-06-03 Guangxing Han , Shiyuan Huang , Jiawei Ma , Yicheng He , Shih-Fu Chang

Face Recognition Systems (FRS) are increasingly vulnerable to face-morphing attacks, prompting the development of Morphing Attack Detection (MAD) algorithms. However, a key challenge in MAD lies in its limited generalizability to unseen…

Computer Vision and Pattern Recognition · Computer Science 2025-03-17 Haoyu Zhang , Raghavendra Ramachandra , Kiran Raja , Christoph Busch

Latent fingerprints are one of the most important and widely used evidence in law enforcement and forensic agencies worldwide. Yet, NIST evaluations show that the performance of state-of-the-art latent recognition systems is far from…

Computer Vision and Pattern Recognition · Computer Science 2017-04-07 Kai Cao , Anil K. Jain

Sophisticated automatic incident detection (AID) technology plays a key role in contemporary transportation systems. Though many papers were devoted to study incident classification algorithms, few study investigated how to enhance feature…

Machine Learning · Computer Science 2016-11-18 Jimmy SJ. Ren , Wei Wang , Jiawei Wang , Stephen Liao

Deep neural networks are vulnerable to adversarial examples, which dramatically alter model output using small input changes. We propose Neural Fingerprinting, a simple, yet effective method to detect adversarial examples by verifying…

Machine Learning · Computer Science 2019-06-18 Sumanth Dathathri , Stephan Zheng , Tianwei Yin , Richard M. Murray , Yisong Yue

The success of Zero-shot Action Recognition (ZSAR) methods is intrinsically related to the nature of semantic side information used to transfer knowledge, although this aspect has not been primarily investigated in the literature. This work…

Computer Vision and Pattern Recognition · Computer Science 2022-09-27 Valter Estevam , Rayson Laroca , Helio Pedrini , David Menotti

The non-intrusive nature and high accuracy of face recognition algorithms have led to their successful deployment across multiple applications ranging from border access to mobile unlocking and digital payments. However, their vulnerability…

Computer Vision and Pattern Recognition · Computer Science 2020-10-27 Nilay Sanghvi , Sushant Kumar Singh , Akshay Agarwal , Mayank Vatsa , Richa Singh

Existing approaches towards anomaly detection~(AD) often rely on a substantial amount of anomaly-free data to train representation and density models. However, large anomaly-free datasets may not always be available before the inference…

Computer Vision and Pattern Recognition · Computer Science 2024-03-01 Jingyi Liao , Xun Xu , Manh Cuong Nguyen , Adam Goodge , Chuan Sheng Foo

Few-Shot Sequence Labeling (FSSL) is a canonical paradigm for the tagging models, e.g., named entity recognition and slot filling, to generalize on an emerging, resource-scarce domain. Recently, the metric-based meta-learning framework has…

Computation and Language · Computer Science 2022-05-09 Peiyi Wang , Runxin Xu , Tianyu Liu , Qingyu Zhou , Yunbo Cao , Baobao Chang , Zhifang Sui

Zero-shot anomaly detection (ZSAD) enables identifying and localizing defects in unseen categories by relying solely on generalizable features rather than requiring any labeled examples of anomalies. However, existing ZSAD methods, whether…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Zihan Wang , Samira Ebrahimi Kahou , Narges Armanfard

We propose a novel Generalized Zero-Shot learning (GZSL) method that is agnostic to both unseen images and unseen semantic vectors during training. Prior works in this context propose to map high-dimensional visual features to the semantic…

Computer Vision and Pattern Recognition · Computer Science 2019-04-10 Pengkai Zhu , Hanxiao Wang , Venkatesh Saligrama

Zero-shot learning (ZSL) aims to recognize unseen objects (test classes) given some other seen objects (training classes), by sharing information of attributes between different objects. Attributes are artificially annotated for objects and…

Computer Vision and Pattern Recognition · Computer Science 2019-10-29 Xiaofeng Xu , Ivor W. Tsang , Chuancai Liu

Vision-language foundation models have shown promising zero-shot generalization for Cross-Domain Few-Shot Object Detection (CD-FSOD). However, they face two critical challenges in fine-tuning: insufficient support set utilization due to…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Jiacong Liu , Shu Luo , Yikai Qin , Yaze Zhao , Yongwei Jiang , Yixiong Zou

The use of biometrics to authenticate users and control access to secure areas has become extremely popular in recent years, and biometric access control systems are frequently used by both governments and private corporations. However,…

Cryptography and Security · Computer Science 2023-12-04 Justin Spencer , Deborah Lawrence , Prosenjit Chatterjee , Kaushik Roy , Albert Esterline , Jung-Hee Kim

Detecting AI-generated images has become an extraordinarily difficult challenge as new generative architectures emerge on a daily basis with more and more capabilities and unprecedented realism. New versions of many commercial tools, such…

Computer Vision and Pattern Recognition · Computer Science 2024-09-25 Davide Cozzolino , Giovanni Poggi , Matthias Nießner , Luisa Verdoliva

Fingerprint classification is an effective technique for reducing the candidate numbers of fingerprints in the stage of matching in automatic fingerprint identification system (AFIS). In recent years, deep learning is an emerging technology…

Computer Vision and Pattern Recognition · Computer Science 2014-09-19 Ruxin Wang , Congying Han , Yanping Wu , Tiande Guo

Few-shot object detection (FSOD) aims to detect never-seen objects using few examples. This field sees recent improvement owing to the meta-learning techniques by learning how to match between the query image and few-shot class examples,…

Computer Vision and Pattern Recognition · Computer Science 2022-05-10 Guangxing Han , Yicheng He , Shiyuan Huang , Jiawei Ma , Shih-Fu Chang

Zero-shot learning (ZSL) aims to train a model on seen classes and recognize unseen classes by knowledge transfer through shared auxiliary information. Recent studies reveal that documents from encyclopedias provide helpful auxiliary…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Xiangyan Qu , Jing Yu , Jiamin Zhuang , Gaopeng Gou , Gang Xiong , Qi Wu