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Randomized smoothing is a technique for providing provable robustness guarantees against adversarial attacks while making minimal assumptions about a classifier. This method relies on taking a majority vote of any base classifier over…

Machine Learning · Computer Science 2023-05-09 Ambar Pal , Jeremias Sulam

Indoor localization is a challenging problem that - unlike outdoor localization - lacks a universal and robust solution. Machine Learning (ML), particularly Deep Learning (DL), methods have been investigated as a promising approach.…

Systems and Control · Electrical Eng. & Systems 2024-08-29 Omer Gokalp Serbetci , Daoud Burghal , Andreas F. Molisch

This paper comprehensively reviews recent advances in underwater acoustic signal denoising, an area critical for improving the reliability and clarity of underwater communication and monitoring systems. Despite significant progress in the…

Sound · Computer Science 2024-07-19 Ruobin Gao , Maohan Liang , Heng Dong , Xuewen Luo , P. N. Suganthan

Data augmentation is a popular technique which helps improve generalization capabilities of deep neural networks. It plays a pivotal role in remote-sensing scenarios in which the amount of high-quality ground truth data is limited, and…

Computer Vision and Pattern Recognition · Computer Science 2019-03-14 Jakub Nalepa , Michal Myller , Michal Kawulok

Recent work has shown that data augmentation has the potential to significantly improve the generalization of deep learning models. Recently, automated augmentation strategies have led to state-of-the-art results in image classification and…

Computer Vision and Pattern Recognition · Computer Science 2019-11-15 Ekin D. Cubuk , Barret Zoph , Jonathon Shlens , Quoc V. Le

Deep neural networks have emerged as very successful tools for image restoration and reconstruction tasks. These networks are often trained end-to-end to directly reconstruct an image from a noisy or corrupted measurement of that image. To…

Image and Video Processing · Electrical Eng. & Systems 2021-06-30 Zalan Fabian , Reinhard Heckel , Mahdi Soltanolkotabi

With the rapid development of deep learning, automatic modulation recognition (AMR), as an important task in cognitive radio, has gradually transformed from traditional feature extraction and classification to automatic classification by…

Signal Processing · Electrical Eng. & Systems 2024-10-30 Xinjie Xu , Zhuangzhi Chen , Dongwei Xu , Huaji Zhou , Shanqing Yu , Shilian Zheng , Qi Xuan , Xiaoniu Yang

Over the recent years, various deep learning-based methods were proposed for extracting a fixed-dimensional embedding vector from speech signals. Although the deep learning-based embedding extraction methods have shown good performance in…

Audio and Speech Processing · Electrical Eng. & Systems 2021-12-08 Woo Hyun Kang , Jahangir Alam , Abderrahim Fathan

Underwater target localization uses real-time sensory measurements to estimate the position of underwater objects of interest, providing critical feedback information for underwater robots. While acoustic sensing is the most acknowledged…

Robotics · Computer Science 2024-09-10 Mingyang Yang , Zeyu Sha , Feitian Zhang

We propose a novel method to generate underwater object imagery that is acoustically compliant with that generated by side-scan sonar using the Unreal Engine. We describe the process to develop, tune, and generate imagery to provide…

Computer Vision and Pattern Recognition · Computer Science 2022-10-20 Jaejeong Shin , Shi Chang , Matthew Bays , Joshua Weaver , Tom Wettergren , Silvia Ferrari

Automated detection and classification of marine mammals vocalizations is critical for conservation and management efforts but is hindered by limited annotated datasets and the acoustic complexity of real-world marine environments. Data…

Sound · Computer Science 2025-12-01 Bruno Padovese , Fabio Frazao , Michael Dowd , Ruth Joy

Deep Neural Networks are well known for efficiently fitting training data, yet experiencing poor generalization capabilities whenever some kind of bias dominates over the actual task labels, resulting in models learning "shortcuts". In…

Machine Learning · Computer Science 2024-08-12 Pietro Morerio , Ruggero Ragonesi , Vittorio Murino

This paper presents a novel deep learning approach for analyzing massive underwater acoustic data by leveraging a model trained on a broad spectrum of non-underwater (aerial) sounds. Recognizing the challenge in labeling vast amounts of…

Sound · Computer Science 2024-02-22 Jeongsoo Park , Dong-Gyun Han , Hyoung Sul La , Sangmin Lee , Yoonchang Han , Eun-Jin Yang

Data Augmentation (DA) is frequently used to provide additional training data without extra human annotation automatically. However, data augmentation may introduce noisy data that impairs training. To guarantee the quality of augmented…

Computation and Language · Computer Science 2024-02-01 Tianqing Fang , Wenxuan Zhou , Fangyu Liu , Hongming Zhang , Yangqiu Song , Muhao Chen

Underwater acoustic target recognition (UATR) and localization (UATL) play important roles in marine exploration. The highly noisy acoustic signal and time-frequency interference among various sources pose big challenges to this task. To…

Sound · Computer Science 2023-05-23 Shipei Liu , Xiaoya Fan , Guowei Wu

In this paper, we present SpecAugment++, a novel data augmentation method for deep neural networks based acoustic scene classification (ASC). Different from other popular data augmentation methods such as SpecAugment and mixup that only…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-16 Helin Wang , Yuexian Zou , Wenwu Wang

Data augmentation is used in machine learning to make the classifier invariant to label-preserving transformations. Usually this invariance is only encouraged implicitly by including a single augmented input during training. However,…

Machine Learning · Computer Science 2022-03-08 Aleksander Botev , Matthias Bauer , Soham De

Generic object detection algorithms have proven their excellent performance in recent years. However, object detection on underwater datasets is still less explored. In contrast to generic datasets, underwater images usually have color…

Computer Vision and Pattern Recognition · Computer Science 2020-03-25 Wei-Hong Lin , Jia-Xing Zhong , Shan Liu , Thomas Li , Ge Li

Modern neural networks are over-parameterized and thus rely on strong regularization such as data augmentation and weight decay to reduce overfitting and improve generalization. The dominant form of data augmentation applies invariant…

Computer Vision and Pattern Recognition · Computer Science 2024-01-25 Yang Liu , Shen Yan , Laura Leal-Taixé , James Hays , Deva Ramanan

Underwater target tracking technology plays a pivotal role in marine resource exploration, environmental monitoring, and national defense security. Given that acoustic waves represent an effective medium for long-distance transmission in…