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In machine learning, active class selection (ACS) algorithms aim to actively select a class and ask the oracle to provide an instance for that class to optimize a classifier's performance while minimizing the number of requests. In this…

A popular method for anomaly detection is to use the generator of an adversarial network to formulate anomaly scores over reconstruction loss of input. Due to the rare occurrence of anomalies, optimizing such networks can be a cumbersome…

Computer Vision and Pattern Recognition · Computer Science 2020-06-22 Muhammad Zaigham Zaheer , Jin-ha Lee , Marcella Astrid , Seung-Ik Lee

Automatic modulation classification (AMC) has been studied for more than a quarter of a century; however, it has been difficult to design a classifier that operates successfully under changing multipath fading conditions and other…

Machine Learning · Computer Science 2020-09-01 Kürşat Tekbıyık , Ali Rıza Ekti , Ali Görçin , Güneş Karabulut Kurt , Cihat Keçeci

Convolutional Neural Networks (CNNs) are one of the most studied family of deep learning models for signal classification, including modulation, technology, detection, and identification. In this work, we focus on technology classification…

Machine Learning · Computer Science 2022-05-02 Amir-Hossein Yazdani-Abyaneh , Marwan Krunz

Gender is one of the most common attributes used to describe an individual. It is used in multiple domains such as human computer interaction, marketing, security, and demographic reports. Research has been performed to automate the task of…

Computer Vision and Pattern Recognition · Computer Science 2018-05-22 Maneet Singh , Shruti Nagpal , Richa Singh , Mayank Vatsa

Deep learning models for image classification have become standard tools in recent years. A well known vulnerability of these models is their susceptibility to adversarial examples. These are generated by slightly altering an image of a…

Computer Vision and Pattern Recognition · Computer Science 2024-11-08 Haim Fisher , Moni Shahar , Yehezkel S. Resheff

A novel strategy to automated classification is introduced which exploits a fully trained dynamical system to steer items belonging to different categories toward distinct asymptotic attractors. These latter are incorporated into the model…

Disordered Systems and Neural Networks · Physics 2023-02-01 Lorenzo Chicchi , Duccio Fanelli , Lorenzo Giambagli , Lorenzo Buffoni , Timoteo Carletti

Active learning, a widely adopted technique for enhancing machine learning models in text and image classification tasks with limited annotation resources, has received relatively little attention in the domain of Named Entity Recognition…

Computation and Language · Computer Science 2023-11-03 Haocheng Luo , Wei Tan , Ngoc Dang Nguyen , Lan Du

Anomaly detection-based spoof attack detection is a recent development in face Presentation Attack Detection (fPAD), where a spoof detector is learned using only non-attacked images of users. These detectors are of practical importance as…

Computer Vision and Pattern Recognition · Computer Science 2020-07-14 Yashasvi Baweja , Poojan Oza , Pramuditha Perera , Vishal M. Patel

During recent years, active learning has evolved into a popular paradigm for utilizing user's feedback to improve accuracy of learning algorithms. Active learning works by selecting the most informative sample among unlabeled data and…

Machine Learning · Computer Science 2016-11-17 Alireza Ghasemi , Hamid R. Rabiee , Mohsen Fadaee , Mohammad T. Manzuri , Mohammad H. Rohban

Intrusion detection is one of the important mechanisms that provide computer networks security. Due to an increase in attacks and growing dependence upon other fields such as medicine, commerce, and engineering, offering services over a…

Machine Learning · Computer Science 2022-06-14 Siamak Parhizkari , Mohammad Bagher Menhaj , Atena Sajedin

We propose a deep convolutional neural network (CNN) for face detection leveraging on facial attributes based supervision. We observe a phenomenon that part detectors emerge within CNN trained to classify attributes from uncropped face…

Computer Vision and Pattern Recognition · Computer Science 2017-08-28 Shuo Yang , Ping Luo , Chen Change Loy , Xiaoou Tang

We propose a novel learning approach, in the form of a fully-convolutional neural network (CNN), which automatically and consistently removes specular highlights from a single image by generating its diffuse component. To train the…

Computer Vision and Pattern Recognition · Computer Science 2019-04-05 John Lin , Mohamed El Amine Seddik , Mohamed Tamaazousti , Youssef Tamaazousti , Adrien Bartoli

The backdoor attack poses a new security threat to deep neural networks. Existing backdoor often relies on visible universal trigger to make the backdoored model malfunction, which are not only usually visually suspicious to human but also…

Cryptography and Security · Computer Science 2024-12-24 Xiangqi Wang , Mingfu Xue , Kewei Chen , Jing Xu , Wenmao Liu , Leo Yu Zhang , Yushu Zhang

One-class classification (OCC), i.e., identifying whether an example belongs to the same distribution as the training data, is essential for deploying machine learning models in the real world. Adapting the pre-trained features on the…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Zilong Zhang , Zhibin Zhao , Deyu Meng , Xingwu Zhang , Xuefeng Chen

Writer identification due to its widespread application in various fields has gained popularity over the years. In scenarios where optimum handwriting samples are available, whether they be in the form of a single line, a sentence, or an…

Computer Vision and Pattern Recognition · Computer Science 2025-10-14 Vineet Kumar , Suresh Sundaram

In today's digital age, our dependence on IoT (Internet of Things) and IIoT (Industrial IoT) systems has grown immensely, which facilitates sensitive activities such as banking transactions and personal, enterprise data, and legal document…

Cryptography and Security · Computer Science 2024-03-21 Md. Ashraf Uddin , Sunil Aryal , Mohamed Reda Bouadjenek , Muna Al-Hawawreh , Md. Alamin Talukder

Existing person re-identification (re-id) methods either assume the availability of well-aligned person bounding box images as model input or rely on constrained attention selection mechanisms to calibrate misaligned images. They are…

Computer Vision and Pattern Recognition · Computer Science 2018-02-23 Wei Li , Xiatian Zhu , Shaogang Gong

In the present paper, we propose a source camera identification method for mobile devices based on deep learning. Recently, convolutional neural networks (CNNs) have shown a remarkable performance on several tasks such as image recognition,…

Computer Vision and Pattern Recognition · Computer Science 2018-01-25 David Freire-Obregón , Fabio Narducci , Silvio Barra , Modesto Castrillón-Santana

Active learning for classification seeks to reduce the cost of labeling samples by finding unlabeled examples about which the current model is least certain and sending them to an annotator/expert to label. Bayesian theory can provide a…

Cryptography and Security · Computer Science 2025-07-08 Ahmed Bensaoud , Jugal Kalita