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This paper presents an evaluation of a number of probabilistic algorithms for localization of autonomous underwater vehicles (AUVs) using bathymetry data. The algorithms, based on the principles of the Bayes filter, work by fusing…

Robotics · Computer Science 2019-10-14 Jungseok Hong , Michael Fulton , Junaed Sattar

As the rapid growth of high-speed and deep-tissue imaging in biomedical research, it is urgent to find a robust and effective denoising method to retain morphological features for further texture analysis and segmentation. Conventional…

Image and Video Processing · Electrical Eng. & Systems 2019-04-16 Sheng-Yong Niu , Lun-Zhang Guo , Yue Li , Tzung-Dau Wang , Yu Tsao , Tzu-Ming Liu

Underwater target detection using active sonar constitutes a critical research area in marine sciences and engineering. However, traditional signal processing methods face significant challenges in complex underwater environments due to…

Signal Processing · Electrical Eng. & Systems 2025-07-29 Jichao Zhang , Xiao-Lei Zhang , Kunde Yang

This paper proposes a decentralized dynamic state estimation (DSE) algorithm with bimodal Gaussian mixture measurement noise. The decentralized DSE is formulated using the Ensemble Kalman Filter (EnKF) and then compared with the unscented…

Signal Processing · Electrical Eng. & Systems 2020-02-19 Vahid Sarfi , Amir Ghasemkhani , Iman Niazazari , Hanif Livani , Lei Yang

Digital watermarking is the process of embedding secret information by altering images in an undetectable way to the human eye. To increase the robustness of the model, many deep learning-based watermarking methods use the…

Multimedia · Computer Science 2024-05-20 Sijing Xie , Chengxin Zhao , Nan Sun , Wei Li , Hefei Ling

Convolutional denoising autoencoders (DAEs) are powerful tools for image restoration. However, they inherit a key limitation of convolutional neural networks (CNNs): they tend to recover low-frequency features, such as smooth regions, more…

Image and Video Processing · Electrical Eng. & Systems 2025-06-25 Khuram Naveed , Bruna Neves de Freitas , Ruben Pauwels

LiDAR sensors are critical for autonomous driving and robotics applications due to their ability to provide accurate range measurements and their robustness to lighting conditions. However, airborne particles, such as fog, rain, snow, and…

Computer Vision and Pattern Recognition · Computer Science 2023-05-11 Chu Chen , Yanqi Ma , Bingcheng Dong , Junjie Cao

State estimation is a fundamental problem in control and signal processing, for which the Kalman Filter provides an optimal solution under linear dynamics, Gaussian noise, and known noise covariances. However, these assumptions often fail…

Machine Learning · Computer Science 2026-05-27 Vasileios Saketos , Ming Xiao

Recent work has advocated for the use of deep learning to perform power allocation in the downlink of massive MIMO (maMIMO) networks. Yet, such deep learning models are vulnerable to adversarial attacks. In the context of maMIMO power…

Signal Processing · Electrical Eng. & Systems 2023-03-21 Rajeev Sahay , Minjun Zhang , David J. Love , Christopher G. Brinton

Unsupervised anomaly detection and localization is a crucial task as it is impossible to collect and label all possible anomalies. Many studies have emphasized the importance of integrating local and global information to achieve accurate…

Computer Vision and Pattern Recognition · Computer Science 2025-04-03 E. Mathian , H. Liu , L. Fernandez-Cuesta , D. Samaras , M. Foll , L. Chen

Deep Learning based methods have emerged as the indisputable leaders for virtually all image restoration tasks. Especially in the domain of microscopy images, various content-aware image restoration (CARE) approaches are now used to improve…

Computer Vision and Pattern Recognition · Computer Science 2021-03-02 Mangal Prakash , Alexander Krull , Florian Jug

Micro-Doppler analysis has become increasingly popular in recent years owning to the ability of the technique to enhance classification strategies. Applications include recognising everyday human activities, distinguishing drone from birds,…

Signal Processing · Electrical Eng. & Systems 2021-02-16 Chong Tang , Wenda Li , Shelly Vishwakarma , Karl Woodbridge , Simon Julier , Kevin Chetty

Accelerating deep neural networks (DNNs) has been attracting increasing attention as it can benefit a wide range of applications, e.g., enabling mobile systems with limited computing resources to own powerful visual recognition ability. A…

Computer Vision and Pattern Recognition · Computer Science 2017-12-21 Tianshui Chen , Liang Lin , Wangmeng Zuo , Xiaonan Luo , Lei Zhang

Pathological brain lesions exhibit diverse appearance in brain images, in terms of intensity, texture, shape, size, and location. Comprehensive sets of data and annotations are difficult to acquire. Therefore, unsupervised anomaly detection…

Environmental audio tagging aims to predict only the presence or absence of certain acoustic events in the interested acoustic scene. In this paper we make contributions to audio tagging in two parts, respectively, acoustic modeling and…

In this paper, a deep learning approach is presented for direction of arrival estimation using automotive-grade ultrasonic sensors which are used for driving assistance systems such as automatic parking. A study and implementation of the…

Signal Processing · Electrical Eng. & Systems 2022-02-28 Mohamed Shawki Elamir , Heinrich Gotzig , Raoul Zoellner , Patrick Maeder

Automated anomaly detection is essential for managing information and communications technology (ICT) systems to maintain reliable services with minimum burden on operators. For detecting varying and continually emerging anomalies as…

Machine Learning · Statistics 2018-12-19 Yasuhiro Ikeda , Keisuke Ishibashi , Yuusuke Nakano , Keishiro Watanabe , Ryoichi Kawahara

Kalman filters are routinely used for many data fusion applications including navigation, tracking, and simultaneous localization and mapping problems. However, significant time and effort is frequently required to tune various Kalman…

Machine Learning · Statistics 2018-07-25 Zhaozhong Chen , Christoffer Heckman , Simon Julier , Nisar Ahmed

This paper introduces a novel approach for modeling the dynamics of soft robots, utilizing a differentiable filter architecture. The proposed approach enables end-to-end training to learn system dynamics, noise characteristics, and temporal…

Robotics · Computer Science 2023-08-22 Xiao Liu , Shuhei Ikemoto , Yuhei Yoshimitsu , Heni Ben Amor

Key challenges in developing underwater acoustic localization methods are related to the combined effects of high reverberation in intricate environments. To address such challenges, recent studies have shown that with a properly designed…

Signal Processing · Electrical Eng. & Systems 2023-05-30 Amir Weiss , Andrew C. Singer , Gregory W. Wornell