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We propose MAD-GAN, an intuitive generalization to the Generative Adversarial Networks (GANs) and its conditional variants to address the well known problem of mode collapse. First, MAD-GAN is a multi-agent GAN architecture incorporating…

Computer Vision and Pattern Recognition · Computer Science 2018-07-17 Arnab Ghosh , Viveka Kulharia , Vinay Namboodiri , Philip H. S. Torr , Puneet K. Dokania

Vision-Language-Action (VLA) models have achieved remarkable success in robotic manipulation. However, their robustness to linguistic nuances remains a critical, under-explored safety concern, posing a significant safety risk to real-world…

Robotics · Computer Science 2026-04-08 Baoshun Tong , Haoran He , Ling Pan , Yang Liu , Liang Lin

Recent advancements in retrieval-augmented generation (RAG) have demonstrated impressive performance in the question-answering (QA) task. However, most previous works predominantly focus on text-based answers. While some studies address…

Information Retrieval · Computer Science 2025-02-10 Zhengyuan Zhu , Daniel Lee , Hong Zhang , Sai Sree Harsha , Loic Feujio , Akash Maharaj , Yunyao Li

Long-context LLMs and Retrieval-Augmented Generation (RAG) systems process information passively, deferring state tracking, contradiction resolution, and evidence aggregation to query time, which becomes brittle under ultra long streams…

Machine Learning · Computer Science 2026-02-24 Kehao Zhang , Shangtong Gui , Sheng Yang , Wei Chen , Yang Feng

In this paper, we present a simple approach to train Generative Adversarial Networks (GANs) in order to avoid a \textit {mode collapse} issue. Implicit models such as GANs tend to generate better samples compared to explicit models that are…

Computer Vision and Pattern Recognition · Computer Science 2021-02-09 Seyed Mehdi Iranmanesh , Nasser M. Nasrabadi

Adversarial attacks in 3D environments have emerged as a critical threat to the reliability of visual perception systems, particularly in safety-sensitive applications such as identity verification and autonomous driving. These attacks…

Computer Vision and Pattern Recognition · Computer Science 2025-07-25 Xiao Yang , Lingxuan Wu , Lizhong Wang , Chengyang Ying , Hang Su , Jun Zhu

Deep learning-based person re-identification (re-id) models are widely employed in surveillance systems and inevitably inherit the vulnerability of deep networks to adversarial attacks. Existing attacks merely consider cross-dataset and…

Computer Vision and Pattern Recognition · Computer Science 2025-04-17 Yuan Bian , Min Liu , Xueping Wang , Yunfeng Ma , Yaonan Wang

Machine learning-based cybersecurity systems are highly vulnerable to adversarial attacks, while Generative Adversarial Networks (GANs) act as both powerful attack enablers and promising defenses. This survey systematically reviews…

Cryptography and Security · Computer Science 2025-10-01 Tharcisse Ndayipfukamiye , Jianguo Ding , Doreen Sebastian Sarwatt , Adamu Gaston Philipo , Huansheng Ning

Inferring reward functions from demonstrations and pairwise preferences are auspicious approaches for aligning Reinforcement Learning (RL) agents with human intentions. However, state-of-the art methods typically focus on learning a single…

Machine Learning · Computer Science 2022-01-04 Markus Peschl , Arkady Zgonnikov , Frans A. Oliehoek , Luciano C. Siebert

Large language models (LLMs) have recently emerged as promising tools for solving challenging robotic tasks, even in the presence of action and observation uncertainties. Recent LLM-based decision-making methods (also referred to as…

Artificial Intelligence · Computer Science 2024-09-20 Abhinav Jain , Chris Jermaine , Vaibhav Unhelkar

Retrieval-Augmented Generation (RAG) has emerged as a powerful paradigm for enhancing large language models (LLMs) by retrieving relevant documents from an external corpus. However, existing RAG systems primarily focus on unimodal text…

Computation and Language · Computer Science 2025-10-21 Chenghao Zhang , Guanting Dong , Xinyu Yang , Zhicheng Dou

Adversarial perturbations are critical for certifying the robustness of deep learning models. A universal adversarial perturbation (UAP) can simultaneously attack multiple images, and thus offers a more unified threat model, obviating an…

Machine Learning · Computer Science 2022-08-19 Pu Zhao , Parikshit Ram , Songtao Lu , Yuguang Yao , Djallel Bouneffouf , Xue Lin , Sijia Liu

The Virtual Experimental Research Assistant (VERA) is an inquiry-based learning environment that empowers a learner to build conceptual models of complex ecological systems and experiment with agent-based simulations of the models. This…

Artificial Intelligence · Computer Science 2024-07-29 Shalini Sushri , Rahul Dass , Rhea Basappa , Hong Lu , Ashok Goel

Automatic modulation classification (AMC) using the Deep Neural Network (DNN) approach outperforms the traditional classification techniques, even in the presence of challenging wireless channel environments. However, the adversarial…

Machine Learning · Computer Science 2022-06-01 Eyad Shtaiwi , Ahmed El Ouadrhiri , Majid Moradikia , Salma Sultana , Ahmed Abdelhadi , Zhu Han

Audio and visual modalities are two predominant contact-free channels in videos, which are often expected to carry a complementary relationship with each other. However, they may not always complement each other, resulting in poor…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 R. Gnana Praveen , Jahangir Alam , Eric Charton

Retrieval-augmented generation (RAG) relies on retrieved context to guide large language models (LLM), yet treats retrieval as a weak heuristic rather than verifiable evidence -- leading to unsupported answers, hallucinations, and reliance…

Computation and Language · Computer Science 2026-02-02 Björn Deiseroth , Max Henning Höth , Kristian Kersting , Letitia Parcalabescu

Deep learning-based person re-identification (Re-ID) has made great progress and achieved high performance recently. In this paper, we make the first attempt to examine the vulnerability of current person Re-ID models against a dangerous…

Computer Vision and Pattern Recognition · Computer Science 2020-12-15 Wenjie Ding , Xing Wei , Rongrong Ji , Xiaopeng Hong , Qi Tian , Yihong Gong

Most of the prior studies in the spatial \ac{DoA} domain focus on a single modality. However, humans use auditory and visual senses to detect the presence of sound sources. With this motivation, we propose to use neural networks with audio…

Sound · Computer Science 2021-05-14 Xinyuan Qian , Maulik Madhavi , Zexu Pan , Jiadong Wang , Haizhou Li

Integrating mixed reality (MR) with artificial intelligence (AI) technologies, including vision, language, audio, reasoning, and planning, enables the AI-powered MR assistant [1] to substantially elevate human efficiency. This enhancement…

Human-Computer Interaction · Computer Science 2024-05-10 Yan-Ming Chiou , Bob Price , Chien-Chung Shen , Syed Ali Asif

Learning a policy with great generalization to unseen environments remains challenging but critical in visual reinforcement learning. Despite the success of augmentation combination in the supervised learning generalization, naively…

Computer Vision and Pattern Recognition · Computer Science 2023-08-03 Siao Liu , Zhaoyu Chen , Yang Liu , Yuzheng Wang , Dingkang Yang , Zhile Zhao , Ziqing Zhou , Xie Yi , Wei Li , Wenqiang Zhang , Zhongxue Gan