中文
相关论文

相关论文: Adversarial Mutual Information for Text Generation

200 篇论文

Generative models for text have substantially contributed to tasks like machine translation and language modeling, using maximum likelihood optimization (MLE). However, for creative text generation, where multiple outputs are possible and…

计算与语言 · 计算机科学 2019-09-23 Asir Saeed , Suzana Ilić , Eva Zangerle

Contrastive learning has been shown to produce generalizable representations of audio and visual data by maximizing the lower bound on the mutual information (MI) between different views of an instance. However, obtaining a tight lower…

机器学习 · 计算机科学 2021-04-20 Shuang Ma , Zhaoyang Zeng , Daniel McDuff , Yale Song

We are assisting at a growing interest in the development of learning architectures with application to digital communication systems. Herein, we consider the detection/decoding problem. We aim at developing an optimal neural architecture…

信息论 · 计算机科学 2022-09-02 Andrea M. Tonello , Nunzio A. Letizia

Training regimes based on Maximum Likelihood Estimation (MLE) suffer from known limitations, often leading to poorly generated text sequences. At the root of these limitations is the mismatch between training and inference, i.e. the…

计算与语言 · 计算机科学 2020-06-09 Thomas Scialom , Paul-Alexis Dray , Sylvain Lamprier , Benjamin Piwowarski , Jacopo Staiano

Recent empirical studies show that adversarial topic models (ATM) can successfully capture semantic patterns of the document by differentiating a document with another dissimilar sample. However, utilizing that discriminative-generative…

计算与语言 · 计算机科学 2021-10-26 Thong Nguyen , Anh Tuan Luu

Maximum Mutual information (MMI), which models the bidirectional dependency between responses ($y$) and contexts ($x$), i.e., the forward probability $\log p(y|x)$ and the backward probability $\log p(x|y)$, has been widely used as the…

计算与语言 · 计算机科学 2020-02-14 Qinghong Han , Yuxian Meng , Fei Wu , Jiwei Li

Large language models (LLMs) are proven to benefit a lot from retrieval-augmented generation (RAG) in alleviating hallucinations confronted with knowledge-intensive questions. RAG adopts information retrieval techniques to inject external…

计算与语言 · 计算机科学 2024-10-10 Junda Zhu , Lingyong Yan , Haibo Shi , Dawei Yin , Lei Sha

Training generative models that can generate high-quality text with sufficient diversity is an important open problem for Natural Language Generation (NLG) community. Recently, generative adversarial models have been applied extensively on…

计算与语言 · 计算机科学 2020-03-26 Haiyan Yin , Dingcheng Li , Xu Li , Ping Li

The research field of adversarial machine learning witnessed a significant interest in the last few years. A machine learner or model is secure if it can deliver main objectives with acceptable accuracy, efficiency, etc. while at the same…

机器学习 · 计算机科学 2021-01-22 Izzat Alsmadi

We propose a novel lightweight generative adversarial network for efficient image manipulation using natural language descriptions. To achieve this, a new word-level discriminator is proposed, which provides the generator with fine-grained…

计算机视觉与模式识别 · 计算机科学 2020-10-26 Bowen Li , Xiaojuan Qi , Philip H. S. Torr , Thomas Lukasiewicz

Growing at a fast pace, modern autonomous systems will soon be deployed at scale, opening up the possibility for cooperative multi-agent systems. Sharing information and distributing workloads allow autonomous agents to better perform tasks…

机器学习 · 计算机科学 2021-10-13 James Tu , Tsunhsuan Wang , Jingkang Wang , Sivabalan Manivasagam , Mengye Ren , Raquel Urtasun

Due to their powerful image generation capabilities, diffusion-based adversarial example generation methods through image editing are rapidly gaining popularity. However, due to reliance on the discriminative capability of the diffusion…

计算机视觉与模式识别 · 计算机科学 2025-07-01 Gaozheng Pei , Ke Ma , Dongpeng Zhang , Chengzhi Sun , Qianqian Xu , Qingming Huang

We describe a new approach that improves the training of generative adversarial nets (GANs) for synthesizing diverse images from a text input. Our approach is based on the conditional version of GANs and expands on previous work leveraging…

计算机视觉与模式识别 · 计算机科学 2019-02-07 Miriam Cha , Youngjune L. Gwon , H. T. Kung

Deep neural networks are vulnerable to adversarial examples, which are crafted by applying small, human-imperceptible perturbations on the original images, so as to mislead deep neural networks to output inaccurate predictions. Adversarial…

计算机视觉与模式识别 · 计算机科学 2021-02-09 Bo Yang , Hengwei Zhang , Yuchen Zhang , Kaiyong Xu , Jindong Wang

Deep generative models can learn to generate realistic-looking images, but many of the most effective methods are adversarial and involve a saddlepoint optimization, which requires a careful balancing of training between a generator network…

机器学习 · 统计学 2020-02-18 Akash Srivastava , Kai Xu , Michael U. Gutmann , Charles Sutton

This work proposes a novel algorithm to generate natural language adversarial input for text classification models, in order to investigate the robustness of these models. It involves applying gradient-based perturbation on the sentence…

信息检索 · 计算机科学 2019-09-11 Yu-Lun Hsieh , Minhao Cheng , Da-Cheng Juan , Wei Wei , Wen-Lian Hsu , Cho-Jui Hsieh

Online fake news profoundly distorts public judgment and erodes trust in social platforms. While existing detectors achieve competitive performance on benchmark datasets, they remain notably vulnerable to malicious comments designed…

机器学习 · 计算机科学 2026-02-06 Zhao Tong , Chunlin Gong , Yimeng Gu , Haichao Shi , Qiang Liu , Shu Wu , Xiao-Yu Zhang

We introduce a framework for generating highly multimodal datasets with explicitly calculable mutual information (MI) between modalities. This enables the construction of benchmark datasets that provide a novel testbed for systematic…

机器学习 · 统计学 2026-02-26 Raheem Karim Hashmani , Garrett W. Merz , Helen Qu , Mariel Pettee , Kyle Cranmer

Adversarial learning of probabilistic models has recently emerged as a promising alternative to maximum likelihood. Implicit models such as generative adversarial networks (GAN) often generate better samples compared to explicit models…

机器学习 · 计算机科学 2018-01-08 Aditya Grover , Manik Dhar , Stefano Ermon

In terms of Generative Adversarial Networks (GANs), the information metric to discriminate the generative data from the real data, lies in the key point of generation efficiency, which plays an important role in GAN-based applications,…

机器学习 · 计算机科学 2021-01-08 Rui She , Pingyi Fan