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Deep learning-based medical image segmentation typically relies on ground truth (GT) labels obtained through manual annotation, but these can be prone to random errors or systematic biases. This study examines the robustness of deep…

Computer Vision and Pattern Recognition · Computer Science 2026-04-15 Iman Islam , Bram Ruijsink , Andrew J. Reader , Andrew P. King

Visual anomaly detection targets to detect images that notably differ from normal pattern, and it has found extensive application in identifying defective parts within the manufacturing industry. These anomaly detection paradigms…

Computer Vision and Pattern Recognition · Computer Science 2024-11-15 Anindya Sundar Das , Guansong Pang , Monowar Bhuyan

This paper studies a reconstruction-based approach for weakly-supervised animal detection from aerial images in marine environments. Such an approach leverages an anomaly detection framework that computes metrics directly on the input…

Computer Vision and Pattern Recognition · Computer Science 2023-07-14 Minh-Tan Pham , Hugo Gangloff , Sébastien Lefèvre

The gravitational-wave detector is a complex and sensitive collection of advanced instruments that are impacted not only by mechanical/electronics systems but also by the surrounding environment. Hence, it is of great importance to classify…

Instrumentation and Methods for Astrophysics · Physics 2022-09-07 Piljong Jung , Sang Hoon Oh , Young-Min Kim , Edwin J. Son , Takaaki Yokozawa , Tatsuki Washimi , John J. Oh

Across non-destructive testing (NDT) and structural health monitoring (SHM), accurate knowledge of the systems' reliability for detecting defects, such as Probability of Detection (POD) analysis is essential to enabling widespread adoption.…

Instrumentation and Detectors · Physics 2024-03-27 Panpan Xu , Robin Jones , Georgios Sarris , Peter Huthwaite

We propose a simple but efficient method termed Guided Learning for weakly-labeled semi-supervised sound event detection (SED). There are two sub-targets implied in weakly-labeled SED: audio tagging and boundary detection. Instead of…

Machine Learning · Computer Science 2020-02-05 Liwei Lin , Xiangdong Wang , Hong Liu , Yueliang Qian

Wireless communications systems are impacted by multi-path fading and Doppler shift in dynamic environments, where the channel becomes doubly-dispersive and its estimation becomes an arduous task. Only a few pilots are used for channel…

Information Theory · Computer Science 2022-06-07 Abdul Karim Gizzini , Marwa Chafii

Semiconductor lasers have been rapidly evolving to meet the demands of next-generation optical networks. This imposes much more stringent requirements on the laser reliability, which are dominated by degradation mechanisms (e.g., sudden…

Machine Learning · Computer Science 2022-11-08 Khouloud Abdelli , Helmut Griesser , Christian Neumeyr , Robert Hohenleitner , Stephan Pachnicke

Deploying deep learning on Synthetic Aperture Radar (SAR) data is becoming more common for mapping purposes. One such case is sea ice, which is highly dynamic and rapidly changes as a result of the combined effect of wind, temperature, and…

Computer Vision and Pattern Recognition · Computer Science 2023-10-27 Morteza Karimzadeh , Rafael Pires de Lima

Adversarial examples are important to test and enhance the robustness of deep code models. As source code is discrete and has to strictly stick to complex grammar and semantics constraints, the adversarial example generation techniques in…

Cryptography and Security · Computer Science 2023-08-22 Zhao Tian , Junjie Chen , Zhi Jin

Exploiting the rapid advances in probabilistic inference, in particular variational Bayes and variational autoencoders (VAEs), for anomaly detection (AD) tasks remains an open research question. Previous works argued that training VAE…

Machine Learning · Computer Science 2020-10-13 Adrian Alan Pol , Victor Berger , Gianluca Cerminara , Cecile Germain , Maurizio Pierini

Variational autoencoders (VAEs) provide an effective and simple method for modeling complex distributions. However, training VAEs often requires considerable hyperparameter tuning to determine the optimal amount of information retained by…

Machine Learning · Computer Science 2021-07-13 Oleh Rybkin , Kostas Daniilidis , Sergey Levine

For safety of autonomous driving, vehicles need to be able to drive under various lighting, weather, and visibility conditions in different environments. These external and environmental factors, along with internal factors associated with…

Computer Vision and Pattern Recognition · Computer Science 2021-03-01 Yu Shen , Laura Zheng , Manli Shu , Weizi Li , Tom Goldstein , Ming C. Lin

Adversarial training is an approach for increasing model's resilience against adversarial perturbations. Such approaches have been demonstrated to result in models with feature representations that generalize better. However, limited works…

Machine Learning · Computer Science 2021-08-05 Tianjin Huang , Yulong Pei , Vlado Menkovski , Mykola Pechenizkiy

As an attempt towards assessing the robustness of embodied navigation agents, we propose RobustNav, a framework to quantify the performance of embodied navigation agents when exposed to a wide variety of visual - affecting RGB inputs - and…

Computer Vision and Pattern Recognition · Computer Science 2021-06-09 Prithvijit Chattopadhyay , Judy Hoffman , Roozbeh Mottaghi , Aniruddha Kembhavi

Power systems usually go through electromagnetic and electromechanical transient processes after different disturbances. Learning the characteristics and the differences between them are important but not easy for students majoring in power…

Systems and Control · Electrical Eng. & Systems 2022-02-01 Abdulelah Alharbi , Shutang You

This paper presents a cross-modal learning framework that exploits complementary information from depth and grayscale images for robust navigation. We introduce a Cross-Modal Wasserstein Autoencoder that learns shared latent representations…

Robotics · Computer Science 2026-03-24 Omkar Sawant , Luca Zanatta , Grzegorz Malczyk , Kostas Alexis

In this work, we propose to utilize a variational autoencoder (VAE) for channel estimation (CE) in underdetermined (UD) systems. The basis of the method forms a recently proposed concept in which a VAE is trained on channel state…

Signal Processing · Electrical Eng. & Systems 2024-03-29 Michael Baur , Nurettin Turan , Benedikt Fesl , Wolfgang Utschick

As of this moment, fifty gravitational waves (GW) detections have been announced, thanks to the observational efforts of the LIGO-Virgo Collaboration, working with the Advanced LIGO and the Advanced Virgo interferometers. The detection of…

Instrumentation and Methods for Astrophysics · Physics 2021-12-30 Filip Morawski , Michał Bejger , Elena Cuoco , Luigia Petre

Recently, deep generative models have become increasingly popular in unsupervised anomaly detection. However, deep generative models aim at recovering the data distribution rather than detecting anomalies. Besides, deep generative models…

Machine Learning · Computer Science 2019-11-15 Xuhong Wang , Ying Du , Shijie Lin , Ping Cui , Yuntian Shen , Yupu Yang