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The information bottleneck (IB) method is a feasible defense solution against adversarial attacks in deep learning. However, this method suffers from the spurious correlation, which leads to the limitation of its further improvement of…

Machine Learning · Computer Science 2022-10-27 Huan Hua , Jun Yan , Xi Fang , Weiquan Huang , Huilin Yin , Wancheng Ge

We show that label noise exists in adversarial training. Such label noise is due to the mismatch between the true label distribution of adversarial examples and the label inherited from clean examples - the true label distribution is…

Machine Learning · Computer Science 2023-10-17 Chengyu Dong , Liyuan Liu , Jingbo Shang

Recommender systems (RSs) now play a very important role in the online lives of people as they serve as personalized filters for users to find relevant items from an array of options. Owing to their effectiveness, RSs have been widely…

Information Retrieval · Computer Science 2020-09-22 Min Gao , Junwei Zhang , Junliang Yu , Jundong Li , Junhao Wen , Qingyu Xiong

Adversarial examples pose many security threats to convolutional neural networks (CNNs). Most defense algorithms prevent these threats by finding differences between the original images and adversarial examples. However, the found…

Computer Vision and Pattern Recognition · Computer Science 2022-01-27 Li Chen , Qi Li , Weiye Chen , Zeyu Wang , Haifeng Li

Many recent few-shot learning methods concentrate on designing novel model architectures. In this paper, we instead show that with a simple backbone convolutional network we can even surpass state-of-the-art classification accuracy. The…

Computer Vision and Pattern Recognition · Computer Science 2019-03-26 Wei Shen , Ziqiang Shi , Jun Sun

Solving inverse problems involving measurement noise and modeling errors requires regularization in order to avoid data overfit. Geophysical inverse problems, in which the Earth's highly heterogeneous structure is unknown, present a…

Geophysics · Physics 2022-03-31 Ali Siahkoohi , Rafael Orozco , Gabrio Rizzuti , Felix J. Herrmann

Adversarial attacks can mislead automatic speech recognition (ASR) systems into predicting an arbitrary target text, thus posing a clear security threat. To prevent such attacks, we propose DistriBlock, an efficient detection strategy…

Sound · Computer Science 2024-11-07 Matías Pizarro , Dorothea Kolossa , Asja Fischer

Semantic segmentation is a task that traditionally requires a large dataset of pixel-level ground truth labels, which is time-consuming and expensive to obtain. Recent advancements in the weakly-supervised setting show that reasonable…

Computer Vision and Pattern Recognition · Computer Science 2020-11-10 Erik Stammes , Tom F. H. Runia , Michael Hofmann , Mohsen Ghafoorian

Sound event detection systems are widely used in various applications such as surveillance and environmental monitoring where data is automatically collected, processed, and sent to a cloud for sound recognition. However, this process may…

Sound · Computer Science 2024-01-04 Shayan Gharib , Minh Tran , Diep Luong , Konstantinos Drossos , Tuomas Virtanen

Under noisy environments, to achieve the robust performance of speaker recognition is still a challenging task. Motivated by the promising performance of multi-task training in a variety of image processing tasks, we explore the potential…

Sound · Computer Science 2019-05-14 Jianfeng Zhou , Tao Jiang , Lin Li , Qingyang Hong , Zhe Wang , Bingyin Xia

In this paper we present a novel algorithm for improved block-online supervised acoustic system identification in adverse noise scenarios by exploiting prior knowledge about the space of Room Impulse Responses (RIRs). The method is based on…

Audio and Speech Processing · Electrical Eng. & Systems 2020-07-06 Thomas Haubner , Andreas Brendel , Walter Kellermann

The ability of learning from noisy labels is very useful in many visual recognition tasks, as a vast amount of data with noisy labels are relatively easy to obtain. Traditionally, the label noises have been treated as statistical outliers,…

Computer Vision and Pattern Recognition · Computer Science 2017-04-11 Yuncheng Li , Jianchao Yang , Yale Song , Liangliang Cao , Jiebo Luo , Li-Jia Li

Empowered by semantic-rich content information, multimedia recommendation has emerged as a potent personalized technique. Current endeavors center around harnessing multimedia content to refine item representation or uncovering latent…

Information Retrieval · Computer Science 2025-01-22 Yonghui Yang , Le Wu , Zhuangzhuang He , Zhengwei Wu , Richang Hong , Meng Wang

The use of unsupervised data in addition to supervised data in training discriminative neural networks has improved the performance of this clas- sification scheme. However, the best results were achieved with a training process that is…

Neural and Evolutionary Computing · Computer Science 2018-04-30 Juan Maroñas Molano , Alberto Albiol Colomer , Roberto Paredes Palacios

With its significant performance improvements, the deep learning paradigm has become a standard tool for modern image denoisers. While promising performance has been shown on seen noise distributions, existing approaches often suffer from…

Computer Vision and Pattern Recognition · Computer Science 2023-09-12 Hao Chen , Chenyuan Qu , Yu Zhang , Chen Chen , Jianbo Jiao

With the progress in AI-based facial forgery (i.e., deepfake), people are increasingly concerned about its abuse. Albeit effort has been made for training classification (also known as deepfake detection) models to recognize such forgeries,…

Computer Vision and Pattern Recognition · Computer Science 2022-04-29 Zhi Wang , Yiwen Guo , Wangmeng Zuo

Deep neural networks are being applied in many tasks with encouraging results, and have often reached human-level performance. However, deep neural networks are vulnerable to well-designed input samples called adversarial examples. In…

Computer Vision and Pattern Recognition · Computer Science 2019-08-06 Dang Duy Thang , Toshihiro Matsui

This work systematically investigates the adversarial robustness of deep image denoisers (DIDs), i.e, how well DIDs can recover the ground truth from noisy observations degraded by adversarial perturbations. Firstly, to evaluate DIDs'…

Image and Video Processing · Electrical Eng. & Systems 2022-01-14 Hanshu Yan , Jingfeng Zhang , Jiashi Feng , Masashi Sugiyama , Vincent Y. F. Tan

Adversarial vulnerability remains a major obstacle to constructing reliable NLP systems. When imperceptible perturbations are added to raw input text, the performance of a deep learning model may drop dramatically under attacks. Recent work…

Computation and Language · Computer Science 2022-10-28 Jiahao Zhao , Wenji Mao

The goal of this work is to train robust speaker recognition models without speaker labels. Recent works on unsupervised speaker representations are based on contrastive learning in which they encourage within-utterance embeddings to be…

Sound · Computer Science 2020-11-02 Jaesung Huh , Hee Soo Heo , Jingu Kang , Shinji Watanabe , Joon Son Chung