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This paper investigates the impact of different standard environmental sound representations (spectrograms) on the recognition performance and adversarial attack robustness of a victim residual convolutional neural network, namely…

Sound · Computer Science 2022-04-15 Mohammad Esmaeilpour , Patrick Cardinal , Alessandro Lameiras Koerich

Deep Neural Networks (DNNs) are vulnerable to adversarial attacks: carefully constructed perturbations to an image can seriously impair classification accuracy, while being imperceptible to humans. While there has been a significant amount…

Machine Learning · Computer Science 2020-12-23 Can Bakiskan , Metehan Cekic , Ahmet Dundar Sezer , Upamanyu Madhow

Deep learning (DL) models for natural language-to-code generation have become integral to modern software development pipelines. However, their heavy reliance on large amounts of data, often collected from unsanitized online sources,…

Cryptography and Security · Computer Science 2025-09-01 Cristina Improta

Despite the enormous performance of deepneural networks (DNNs), recent studies have shown theirvulnerability to adversarial examples (AEs), i.e., care-fully perturbed inputs designed to fool the targetedDNN. Currently, the literature is…

Computer Vision and Pattern Recognition · Computer Science 2021-07-14 Anouar Kherchouche , Sid Ahmed Fezza , Wassim Hamidouche

CNN-based deep learning models for disease detection have become popular recently. We compared the binary classification performance of eight prominent deep learning models: DenseNet 121, DenseNet 169, DenseNet 201, EffecientNet b0,…

Image and Video Processing · Electrical Eng. & Systems 2023-10-05 Shabbir Ahmed Shuvo , Md Aminul Islam , Md. Mozammel Hoque , Rejwan Bin Sulaiman

Reinforcement learning improves the reasoning ability of large language models but remains costly and sample-inefficient, as many rollouts provide weak learning signals. Difficulty-aware data selection methods attempt to address this by…

Machine Learning · Computer Science 2026-05-12 Yang Zhou , Can Jin , Zihan Dong , Zhepeng Wang , Yanting Yang , Shiyu Zhao , Lei Li , Runxue Bao , Yaochen Xie , Dimitris N. Metaxas

There is great potential for damage from adversarial learning (AL) attacks on machine-learning based systems. In this paper, we provide a contemporary survey of AL, focused particularly on defenses against attacks on statistical…

Machine Learning · Computer Science 2020-03-11 David J. Miller , Zhen Xiang , George Kesidis

Deep neural networks (DNNs) are known to be vulnerable to both backdoor attacks as well as adversarial attacks. In the literature, these two types of attacks are commonly treated as distinct problems and solved separately, since they belong…

Computer Vision and Pattern Recognition · Computer Science 2022-12-29 Bingxu Mu , Zhenxing Niu , Le Wang , Xue Wang , Rong Jin , Gang Hua

Deep neural networks are vulnerable to adversarial examples, i.e., carefully-perturbed inputs aimed to mislead classification. This work proposes a detection method based on combining non-linear dimensionality reduction and density…

Machine Learning · Computer Science 2019-05-02 Francesco Crecchi , Davide Bacciu , Battista Biggio

Despite considerable progress in neural relevance ranking techniques, search engines still struggle to process complex queries effectively - both in terms of precision and recall. Sparse and dense Pseudo-Relevance Feedback (PRF) approaches…

Information Retrieval · Computer Science 2023-12-06 Iain Mackie , Shubham Chatterjee , Sean MacAvaney , Jeffrey Dalton

Dense retrieval models have become a standard for state-of-the-art information retrieval. However, their high-dimensional, high-precision (float32) vector embeddings create significant storage and memory challenges for real-world…

Information Retrieval · Computer Science 2025-11-19 Satyanarayan Pati

While improvements in deep learning architectures have played a crucial role in improving the state of supervised and unsupervised learning in computer vision and natural language processing, neural network architecture choices for…

Machine Learning · Computer Science 2020-12-01 Samarth Sinha , Homanga Bharadhwaj , Aravind Srinivas , Animesh Garg

A human does not have to see all elephants to recognize an animal as an elephant. On contrast, current state-of-the-art deep learning approaches heavily depend on the variety of training samples and the capacity of the network. In practice,…

Machine Learning · Computer Science 2019-05-30 Shaokai Ye , Sia Huat Tan , Kaidi Xu , Yanzhi Wang , Chenglong Bao , Kaisheng Ma

Recent work has shown deep neural networks (DNNs) to be highly susceptible to well-designed, small perturbations at the input layer, or so-called adversarial examples. Taking images as an example, such distortions are often imperceptible,…

Machine Learning · Computer Science 2015-04-13 Shixiang Gu , Luca Rigazio

In this paper, we investigate the impact of different standard environmental sound representations (spectrograms) on the recognition performance and adversarial attack robustness of a victim residual convolutional neural network. Averaged…

Audio and Speech Processing · Electrical Eng. & Systems 2021-01-19 Mohammad Esmaeilpour , Patrick Cardinal , Alessandro Lameiras Koerich

Deep Neural Networks, despite their great success in diverse domains, are provably sensitive to small perturbations on correctly classified examples and lead to erroneous predictions. Recently, it was proposed that this behavior can be…

Machine Learning · Computer Science 2020-09-29 Nan Xu , Oluwaseyi Feyisetan , Abhinav Aggarwal , Zekun Xu , Nathanael Teissier

We propose DrBoost, a dense retrieval ensemble inspired by boosting. DrBoost is trained in stages: each component model is learned sequentially and specialized by focusing only on retrieval mistakes made by the current ensemble. The final…

Computation and Language · Computer Science 2021-12-16 Patrick Lewis , Barlas Oğuz , Wenhan Xiong , Fabio Petroni , Wen-tau Yih , Sebastian Riedel

Recent studies have highlighted that deep neural networks (DNNs) are vulnerable to adversarial examples. In this paper, we improve the robustness of DNNs by utilizing techniques of Distance Metric Learning. Specifically, we incorporate…

Machine Learning · Computer Science 2019-05-29 Pengcheng Li , Jinfeng Yi , Bowen Zhou , Lijun Zhang

Although existing neural retrieval models reveal promising results when training data is abundant and the performance keeps improving as training data increases, collecting high-quality annotated data is prohibitively costly. To this end,…

Computation and Language · Computer Science 2023-11-28 Fan Jiang , Tom Drummond , Trevor Cohn

Dense retrieval has become the new paradigm in passage retrieval. Despite its effectiveness on typo-free queries, it is not robust when dealing with queries that contain typos. Current works on improving the typo-robustness of dense…

Information Retrieval · Computer Science 2024-03-19 Georgios Sidiropoulos , Evangelos Kanoulas