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Clustering models constitute a class of unsupervised machine learning methods which are used in a number of application pipelines, and play a vital role in modern data science. With recent advancements in deep learning -- deep clustering…

机器学习 · 计算机科学 2022-10-06 Anshuman Chhabra , Ashwin Sekhari , Prasant Mohapatra

Adversarial attacks involve adding, small, often imperceptible, perturbations to inputs with the goal of getting a machine learning model to misclassifying them. While many different adversarial attack strategies have been proposed on image…

计算机视觉与模式识别 · 计算机科学 2018-06-01 Avishek Joey Bose , Parham Aarabi

Recent studies have shown that deep convolutional neural networks (DCNN) are vulnerable to adversarial examples and sensitive to perceptual quality as well as the acquisition condition of images. These findings raise a big concern for the…

机器学习 · 计算机科学 2020-04-15 Yeli Feng , Yiyu Cai

Neural Image Classifiers are effective but inherently hard to interpret and susceptible to adversarial attacks. Solutions to both problems exist, among others, in the form of counterfactual examples generation to enhance explainability or…

计算机视觉与模式识别 · 计算机科学 2023-10-03 Rafael Bischof , Florian Scheidegger , Michael A. Kraus , A. Cristiano I. Malossi

Short text clustering has far-reaching effects on semantic analysis, showing its importance for multiple applications such as corpus summarization and information retrieval. However, it inevitably encounters the severe sparsity of short…

机器学习 · 计算机科学 2021-01-21 Wei Zhang , Chao Dong , Jianhua Yin , Jianyong Wang

Achieving robustness against adversarial input perturbation is an important and intriguing problem in machine learning. In the area of semantic image segmentation, a number of adversarial training approaches have been proposed as a defense…

计算机视觉与模式识别 · 计算机科学 2023-06-27 Levente Halmosi , Mark Jelasity

Deep-learning-based methods for different applications have been shown vulnerable to adversarial examples. These examples make deployment of such models in safety-critical tasks questionable. Use of deep neural networks as inverse problem…

机器学习 · 计算机科学 2020-02-28 Ankit Raj , Yoram Bresler , Bo Li

Deep neural networks are known to be vulnerable to adversarial examples, where a perturbation in the input space leads to an amplified shift in the latent network representation. In this paper, we combine canonical supervised learning with…

机器学习 · 计算机科学 2022-01-02 Changhao Shi , Chester Holtz , Gal Mishne

Diffusion models (DMs) have achieved remarkable success in text-to-image generation, but they also pose safety risks, such as the potential generation of harmful content and copyright violations. The techniques of machine unlearning, also…

计算机视觉与模式识别 · 计算机科学 2024-10-10 Yimeng Zhang , Xin Chen , Jinghan Jia , Yihua Zhang , Chongyu Fan , Jiancheng Liu , Mingyi Hong , Ke Ding , Sijia Liu

Deep learning models are being integrated into a wide range of high-impact, security-critical systems, from self-driving cars to medical diagnosis. However, recent research has demonstrated that many of these deep learning architectures are…

计算机视觉与模式识别 · 计算机科学 2020-11-17 Scott Freitas , Shang-Tse Chen , Zijie J. Wang , Duen Horng Chau

Sparse and noisy images (SNIs), like those in spatial gene expression data, pose significant challenges for effective representation learning and clustering, which are essential for thorough data analysis and interpretation. In response to…

计算机视觉与模式识别 · 计算机科学 2024-09-17 Wenlin Li , Yucheng Xu , Xiaoqing Zheng , Suoya Han , Jun Wang , Xiaobo Sun

Open-set recognition and adversarial defense study two key aspects of deep learning that are vital for real-world deployment. The objective of open-set recognition is to identify samples from open-set classes during testing, while…

计算机视觉与模式识别 · 计算机科学 2020-09-03 Rui Shao , Pramuditha Perera , Pong C. Yuen , Vishal M. Patel

We study the problem of defending deep neural network approaches for image classification from physically realizable attacks. First, we demonstrate that the two most scalable and effective methods for learning robust models, adversarial…

机器学习 · 计算机科学 2020-02-18 Tong Wu , Liang Tong , Yevgeniy Vorobeychik

Deep models are highly susceptible to adversarial attacks. Such attacks are carefully crafted imperceptible noises that can fool the network and can cause severe consequences when deployed. To encounter them, the model requires training…

机器学习 · 计算机科学 2022-04-11 Gaurav Kumar Nayak , Ruchit Rawal , Anirban Chakraborty

It is well known that adversarial attacks can fool deep neural networks with imperceptible perturbations. Although adversarial training significantly improves model robustness, failure cases of defense still broadly exist. In this work, we…

机器学习 · 计算机科学 2021-06-10 Boxi Wu , Heng Pan , Li Shen , Jindong Gu , Shuai Zhao , Zhifeng Li , Deng Cai , Xiaofei He , Wei Liu

In this work, we consider model robustness of deep neural networks against adversarial attacks from a global manifold perspective. Leveraging both the local and global latent information, we propose a novel adversarial training method…

机器学习 · 计算机科学 2022-10-04 Zhuang Qian , Shufei Zhang , Kaizhu Huang , Qiufeng Wang , Rui Zhang , Xinping Yi

Deep learning has shown impressive performance on challenging perceptual tasks and has been widely used in software to provide intelligent services. However, researchers found deep neural networks vulnerable to adversarial examples. Since…

计算机视觉与模式识别 · 计算机科学 2021-03-18 Haowen Liu , Ping Yi , Hsiao-Ying Lin , Jie Shi , Weidong Qiu

Neural networks are known to be vulnerable to adversarial attacks -- slight but carefully constructed perturbations of the inputs which can drastically impair the network's performance. Many defense methods have been proposed for improving…

Adversarial training, in which a network is trained on adversarial examples, is one of the few defenses against adversarial attacks that withstands strong attacks. Unfortunately, the high cost of generating strong adversarial examples makes…

Adversarial attacks on deep-learning models pose a serious threat to their reliability and security. Existing defense mechanisms are narrow addressing a specific type of attack or being vulnerable to sophisticated attacks. We propose a new…

机器学习 · 计算机科学 2023-06-22 Mouna Rabhi , Roberto Di Pietro