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The generation of multiphase porous electrode microstructures is a critical step in the optimisation of electrochemical energy storage devices. This work implements a deep convolutional generative adversarial network (DC-GAN) for generating…

Neural and Evolutionary Computing · Computer Science 2020-05-06 Andrea Gayon-Lombardo , Lukas Mosser , Nigel P. Brandon , Samuel J. Cooper

Deep neural networks have been widely deployed in various machine learning tasks. However, recent works have demonstrated that they are vulnerable to adversarial examples: carefully crafted small perturbations to cause misclassification by…

Machine Learning · Computer Science 2019-03-01 Ke Sun , Zhanxing Zhu , Zhouchen Lin

This paper proposes a machine learning-based framework for asset selection and portfolio construction, termed the Best-Path Algorithm Sparse Graphical Model (BPASGM). The method extends the Best-Path Algorithm (BPA) by mapping linear and…

Portfolio Management · Quantitative Finance 2026-02-04 T. Di Matteo , L. Riso , M. G. Zoia

In the big data era, deep learning and intelligent data mining technique solutions have been applied by researchers in various areas. Forecast and analysis of stock market data have represented an essential role in today's economy, and a…

Signal Processing · Electrical Eng. & Systems 2020-08-26 Wilfredo Tovar

A critical factor in trustworthy machine learning is to develop robust representations of the training data. Only under this guarantee methods are legitimate to artificially generate data, for example, to counteract imbalanced datasets or…

Machine Learning · Computer Science 2024-12-12 Leon Scharwächter , Sebastian Otte

I present IGAN (Inferent Generative Adversarial Networks), a neural architecture that learns both a generative and an inference model on a complex high dimensional data distribution, i.e. a bidirectional mapping between data samples and a…

Machine Learning · Computer Science 2024-09-04 Luc Vignaud

As a new approach to train generative models, \emph{generative adversarial networks} (GANs) have achieved considerable success in image generation. This framework has also recently been applied to data with graph structures. We propose…

Machine Learning · Computer Science 2021-02-26 Shuangfei Fan , Bert Huang

Generating multi-view images from a single-view input is an essential yet challenging problem. It has broad applications in vision, graphics, and robotics. Our study indicates that the widely-used generative adversarial network (GAN) may…

Computer Vision and Pattern Recognition · Computer Science 2018-07-02 Yu Tian , Xi Peng , Long Zhao , Shaoting Zhang , Dimitris N. Metaxas

Conditional generation is a subclass of generative problems where the output of the generation is conditioned by the attribute information. In this paper, we present a stochastic contrastive conditional generative adversarial network…

Computer Vision and Pattern Recognition · Computer Science 2021-12-20 Vitaliy Kinakh , Mariia Drozdova , Guillaume Quétant , Tobias Golling , Slava Voloshynovskiy

In recent years, impressive progress has been made in the design of implicit probabilistic models via Generative Adversarial Networks (GAN) and its extension, the Conditional GAN (CGAN). Excellent solutions have been demonstrated mostly in…

Machine Learning · Computer Science 2020-02-06 Karan Aggarwal , Matthieu Kirchmeyer , Pranjul Yadav , S. Sathiya Keerthi , Patrick Gallinari

Recent generative adversarial networks (GANs) are able to generate impressive photo-realistic images. However, controllable generation with GANs remains a challenging research problem. Achieving controllable generation requires semantically…

Machine Learning · Computer Science 2021-05-04 Grigorios G Chrysos , Jean Kossaifi , Zhiding Yu , Anima Anandkumar

Generative adversarial networks (GANs) are capable of producing high quality image samples. However, unlike variational autoencoders (VAEs), GANs lack encoders that provide the inverse mapping for the generators, i.e., encode images back to…

Machine Learning · Statistics 2018-12-20 Paul K. Rubenstein , Yunpeng Li , Dominik Roblek

As a revolutionary generative paradigm of deep learning, generative adversarial networks (GANs) have been widely applied in various fields to synthesize realistic data. However, it is challenging for conventional GANs to synthesize raw…

Signal Processing · Electrical Eng. & Systems 2023-06-27 Weidong Wang , Jiancheng An , Hongshu Liao , Lu Gan , Chau Yuen

This paper presents a methodology and workflow that overcome the limitations of the conventional Generative Adversarial Networks (GANs) for geological facies modeling. It attempts to improve the training stability and guarantee the…

Machine Learning · Computer Science 2019-09-25 Lingchen Zhu , Tuanfeng Zhang

This work addresses an alternative approach for query expansion (QE) using a generative adversarial network (GAN) to enhance the effectiveness of information search in e-commerce. We propose a modified QE conditional GAN (mQE-CGAN)…

Machine Learning · Computer Science 2023-01-03 Altan Cakir , Mert Gurkan

Applying generative adversarial networks (GANs) to text-related tasks is challenging due to the discrete nature of language. One line of research resolves this issue by employing reinforcement learning (RL) and optimizing the next-word…

Computation and Language · Computer Science 2020-11-05 Yanghoon Kim , Seungpil Won , Seunghyun Yoon , Kyomin Jung

Generating realistic time series data is important for many engineering and scientific applications. Existing work tackles this problem using generative adversarial networks (GANs). However, GANs are unstable during training, and they can…

Machine Learning · Computer Science 2024-05-14 Ilan Naiman , N. Benjamin Erichson , Pu Ren , Michael W. Mahoney , Omri Azencot

We propose a generative Causal Adversarial Network (CAN) for learning and sampling from conditional and interventional distributions. In contrast to the existing CausalGAN which requires the causal graph to be given, our proposed framework…

Machine Learning · Computer Science 2020-09-23 Raha Moraffah , Bahman Moraffah , Mansooreh Karami , Adrienne Raglin , Huan Liu

In this work, we propose a novel Cycle In Cycle Generative Adversarial Network (C$^2$GAN) for the task of keypoint-guided image generation. The proposed C$^2$GAN is a cross-modal framework exploring a joint exploitation of the keypoint and…

Computer Vision and Pattern Recognition · Computer Science 2020-04-17 Hao Tang , Dan Xu , Gaowen Liu , Wei Wang , Nicu Sebe , Yan Yan

We propose a new approach to portfolio optimization that utilizes a unique combination of synthetic data generation and a CVaR-constraint. We formulate the portfolio optimization problem as an asset allocation problem in which each asset…

Portfolio Management · Quantitative Finance 2024-05-17 José-Manuel Peña , Fernando Suárez , Omar Larré , Domingo Ramírez , Arturo Cifuentes