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We introduce single-set spectral sparsification as a deterministic sampling based feature selection technique for regularized least squares classification, which is the classification analogue to ridge regression. The method is unsupervised…

机器学习 · 统计学 2015-12-08 Saurabh Paul , Petros Drineas

Training neural samplers directly from unnormalized densities without access to target distribution samples presents a significant challenge. A critical desideratum in these settings is achieving comprehensive mode coverage, ensuring the…

机器学习 · 计算机科学 2025-05-27 Chenguang Wang , Xiaoyu Zhang , Kaiyuan Cui , Weichen Zhao , Yongtao Guan , Tianshu Yu

Generative Adversarial Networks have become one of the most studied frameworks for unsupervised learning due to their intuitive formulation. They have also been shown to be capable of generating convincing examples in limited domains, such…

机器学习 · 计算机科学 2016-12-14 Daniel Jiwoong Im , He Ma , Chris Dongjoo Kim , Graham Taylor

Text generative models trained via Maximum Likelihood Estimation (MLE) suffer from the notorious exposure bias problem, and Generative Adversarial Networks (GANs) are shown to have potential to tackle this problem. Existing language GANs…

计算与语言 · 计算机科学 2023-07-19 Da Ren , Qing Li

Generative Adversarial Networks (GANs) can achieve state-of-the-art sample quality in generative modelling tasks but suffer from the mode collapse problem. Variational Autoencoders (VAE) on the other hand explicitly maximize a…

机器学习 · 计算机科学 2019-09-30 Apratim Bhattacharyya , Mario Fritz , Bernt Schiele

Unsupervised learning of generative models has seen tremendous progress over recent years, in particular due to generative adversarial networks (GANs), variational autoencoders, and flow-based models. GANs have dramatically improved sample…

计算机视觉与模式识别 · 计算机科学 2020-01-06 Thomas Lucas , Konstantin Shmelkov , Karteek Alahari , Cordelia Schmid , Jakob Verbeek

Evaluating generative adversarial networks (GANs) is inherently challenging. In this paper, we revisit several representative sample-based evaluation metrics for GANs, and address the problem of how to evaluate the evaluation metrics. We…

机器学习 · 计算机科学 2018-08-20 Qiantong Xu , Gao Huang , Yang Yuan , Chuan Guo , Yu Sun , Felix Wu , Kilian Weinberger

Soft sensing infers hard-to-measure data through a large number of easily obtainable variables. However, in complex industrial scenarios, the issue of insufficient data volume persists, which diminishes the reliability of soft sensing.…

机器学习 · 计算机科学 2025-12-23 Zesen Wang , Yonggang Li , Lijuan Lan

We propose a new approach to Generative Adversarial Networks (GANs) to achieve an improved performance with additional robustness to its so-called and well recognized mode collapse. We first proceed by mapping the desired data onto a…

计算机视觉与模式识别 · 计算机科学 2019-08-26 Shahin Mahdizadehaghdam , Ashkan Panahi , Hamid Krim

Active learning aims to obtain a classifier of high accuracy by using fewer label requests in comparison to passive learning by selecting effective queries. Many active learning methods have been developed in the past two decades, which…

机器学习 · 计算机科学 2016-08-08 Cem Orhan , Öznur Taştan

Generative Adversarial Networks (GANs) have been shown to produce realistically looking synthetic images with remarkable success, yet their performance seems less impressive when the training set is highly diverse. In order to provide a…

机器学习 · 计算机科学 2018-08-31 Matan Ben-Yosef , Daphna Weinshall

The key to overcome class imbalance problems is to capture the distribution of minority class accurately. Generative Adversarial Networks (GANs) have shown some potentials to tackle class imbalance problems due to their capability of…

机器学习 · 计算机科学 2020-08-06 Jingyu Hao , Chengjia Wang , Heye Zhang , Guang Yang

Building on the success of deep learning, Generative Adversarial Networks (GANs) provide a modern approach to learn a probability distribution from observed samples. GANs are often formulated as a zero-sum game between two sets of…

机器学习 · 计算机科学 2020-09-28 Pirazh Khorramshahi , Hossein Souri , Rama Chellappa , Soheil Feizi

Generative adversarial networks (GANs) have emerged as a powerful tool for generating high-fidelity data. However, the main bottleneck of existing approaches is the lack of supervision on the generator training, which often results in…

计算机视觉与模式识别 · 计算机科学 2025-02-18 Baoren Xiao , Hao Ni , Weixin Yang

Despite success on a wide range of problems related to vision, generative adversarial networks (GANs) often suffer from inferior performance due to unstable training, especially for text generation. To solve this issue, we propose a new…

机器学习 · 计算机科学 2020-11-02 Yue Wu , Pan Zhou , Andrew Gordon Wilson , Eric P. Xing , Zhiting Hu

Mode collapse is a critical problem in training generative adversarial networks. To alleviate mode collapse, several recent studies introduce new objective functions, network architectures or alternative training schemes. However, their…

计算机视觉与模式识别 · 计算机科学 2018-04-13 Duhyeon Bang , Hyunjung Shim

The standard practice in Generative Adversarial Networks (GANs) discards the discriminator during sampling. However, this sampling method loses valuable information learned by the discriminator regarding the data distribution. In this work,…

机器学习 · 计算机科学 2019-11-25 Yuejiang Liu , Parth Kothari , Alexandre Alahi

Coverage of image features play an important role in many vision algorithms since their distribution affect the estimated homography. This paper presents a Genetic Algorithm (GA) in order to select the optimal set of features yielding…

计算机视觉与模式识别 · 计算机科学 2017-04-21 Erkan Bostanci

The current data explosion poses great challenges to the approximate aggregation with an efficiency and accuracy. To address this problem, we propose a novel approach to calculate the aggregation answers with a high accuracy using only a…

数据库 · 计算机科学 2019-01-23 Shanshan Han , Hongzhi Wang , Jialin Wan , Jianzhong Li

The Generative Adversarial Network (GAN) is a state-of-the-art technique in the field of deep learning. A number of recent papers address the theory and applications of GANs in various fields of image processing. Fewer studies, however,…

计算机视觉与模式识别 · 计算机科学 2022-03-01 Shuyue Guan , Murray Loew