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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

Open-set panoptic segmentation (OPS) problem is a new research direction aiming to perform segmentation for both \known classes and \unknown classes, i.e., the objects ("things") that are never annotated in the training set. The main…

Computer Vision and Pattern Recognition · Computer Science 2022-08-04 Hai-Ming Xu , Hao Chen , Lingqiao Liu , Yufei Yin

Detecting and responding to novel situations in open-world environments is a key capability of human cognition and is a persistent problem for AI systems. In an open-world, novelties can appear in many different forms and may be easy or…

Artificial Intelligence · Computer Science 2023-06-27 Vimukthini Pinto , Cheng Xue , Chathura Nagoda Gamage , Matthew Stephenson , Jochen Renz

Traditional instance-based model analysis focuses mainly on misclassified instances. However, this approach overlooks the varying difficulty associated with different instances. Ideally, a robust model should recognize and reflect the…

Human-Computer Interaction · Computer Science 2025-07-02 Linhao Meng , Stef van den Elzen , Anna Vilanova

With generative models proliferating at a rapid rate, there is a growing need for general purpose fake image detectors. In this work, we first show that the existing paradigm, which consists of training a deep network for real-vs-fake…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Utkarsh Ojha , Yuheng Li , Yong Jae Lee

With deep learning and computer vision technology development, autonomous driving provides new solutions to improve traffic safety and efficiency. The importance of building high-quality datasets is self-evident, especially with the rise of…

Computer Vision and Pattern Recognition · Computer Science 2024-02-07 Guohang Yan , Jiahao Pi , Jianfei Guo , Zhaotong Luo , Min Dou , Nianchen Deng , Qiusheng Huang , Daocheng Fu , Licheng Wen , Pinlong Cai , Xing Gao , Xinyu Cai , Bo Zhang , Xuemeng Yang , Yeqi Bai , Hongbin Zhou , Botian Shi

Robotic visual systems operating in the wild must act in unconstrained scenarios, under different environmental conditions while facing a variety of semantic concepts, including unknown ones. To this end, recent works tried to empower…

Computer Vision and Pattern Recognition · Computer Science 2021-07-12 Dario Fontanel , Fabio Cermelli , Massimiliano Mancini , Barbara Caputo

As Deep Learning (DL) is continuously adopted in many safety critical applications, its quality and reliability start to raise concerns. Similar to the traditional software development process, testing the DL software to uncover its defects…

Software Engineering · Computer Science 2021-05-07 David Berend

A variety of complex biological, natural and man-made systems exhibit non-Markovian dynamics that can be modeled through fractional order differential equations, yet, we lack sample comlexity aware system identification strategies. Towards…

Systems and Control · Electrical Eng. & Systems 2025-06-23 Xiaole Zhang , Vijay Gupta , Paul Bogdan

Traditional semi-supervised object detection methods assume a fixed set of object classes (in-distribution or ID classes) during training and deployment, which limits performance in real-world scenarios where unseen classes…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 Garvita Allabadi , Ana Lucic , Siddarth Aananth , Tiffany Yang , Yu-Xiong Wang , Vikram Adve

Retrieval-Augmented Generation (RAG) systems have gained widespread adoption by application builders because they leverage sources of truth to enable Large Language Models (LLMs) to generate more factually sound responses. However,…

Computation and Language · Computer Science 2025-05-09 Alex Shan , John Bauer , Christopher D. Manning

The environments, in which autonomous cars act, are high-risky, dynamic, and full of uncertainty, demanding a continuous update of their sensory information and knowledge bases. The frequency of facing an unknown object is too high making…

Computer Vision and Pattern Recognition · Computer Science 2021-09-15 Paulo R. Vieira , Pedro D. Félix , Luis Macedo

Deep neural networks (DNNs) are powerful nonlinear architectures that are known to be robust to random perturbations of the input. However, these models are vulnerable to adversarial perturbations--small input changes crafted explicitly to…

Machine Learning · Statistics 2017-11-17 Reuben Feinman , Ryan R. Curtin , Saurabh Shintre , Andrew B. Gardner

Modern computer vision applications rely on learning-based perception modules parameterized with neural networks for tasks like object detection. These modules frequently have low expected error overall but high error on atypical groups of…

Computer Vision and Pattern Recognition · Computer Science 2022-04-22 Cinjon Resnick , Or Litany , Amlan Kar , Karsten Kreis , James Lucas , Kyunghyun Cho , Sanja Fidler

Driven by advancements in deep learning, computer-aided diagnoses have made remarkable progress. However, outside controlled laboratory settings, algorithms may encounter several challenges. In the medical domain, these difficulties often…

Computer Vision and Pattern Recognition · Computer Science 2025-11-12 Arnav Aditya , Nitin Kumar , Saurabh Shigwan

In open-set recognition, existing methods generally learn statically fixed decision boundaries using known classes to reject unknown classes. Though they have achieved promising results, such decision boundaries are evidently insufficient…

Machine Learning · Computer Science 2024-05-06 Haifeng Yang , Chuanxing Geng , Pong C. Yuen , Songcan Chen

Humans have a natural instinct to identify unknown object instances in their environments. The intrinsic curiosity about these unknown instances aids in learning about them, when the corresponding knowledge is eventually available. This…

Computer Vision and Pattern Recognition · Computer Science 2021-05-11 K J Joseph , Salman Khan , Fahad Shahbaz Khan , Vineeth N Balasubramanian

Open-Set Domain Adaptation for Semantic Segmentation (OSDA-SS) presents a significant challenge, as it requires both domain adaptation for known classes and the distinction of unknowns. Existing methods attempt to address both tasks within…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Wenqi Ren , Weijie Wang , Meng Zheng , Ziyan Wu , Yang Tang , Zhun Zhong , Nicu Sebe

Deep Learning of neural networks has gained prominence in multiple life-critical applications like medical diagnoses and autonomous vehicle accident investigations. However, concerns about model transparency and biases persist. Explainable…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Pedro Valois , Koichiro Niinuma , Kazuhiro Fukui

Open-world object detection (OWOD) is a challenging computer vision problem, where the task is to detect a known set of object categories while simultaneously identifying unknown objects. Additionally, the model must incrementally learn new…

Computer Vision and Pattern Recognition · Computer Science 2022-04-05 Akshita Gupta , Sanath Narayan , K J Joseph , Salman Khan , Fahad Shahbaz Khan , Mubarak Shah