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One of the challenging problems in sequence generation tasks is the optimized generation of sequences with specific desired goals. Current sequential generative models mainly generate sequences to closely mimic the training data, without…

Machine Learning · Computer Science 2021-01-15 Mahmoud Hossam , Trung Le , Viet Huynh , Michael Papasimeon , Dinh Phung

Scribble colors based line art colorization is a challenging computer vision problem since neither greyscale values nor semantic information is presented in line arts, and the lack of authentic illustration-line art training pairs also…

Computer Vision and Pattern Recognition · Computer Science 2018-08-13 Yuanzheng Ci , Xinzhu Ma , Zhihui Wang , Haojie Li , Zhongxuan Luo

Graph neural networks (GNNs) face significant challenges with class imbalance, leading to biased inference results. To address this issue in heterogeneous graphs, we propose a novel framework that combines Graph Neural Network (GNN) and…

Machine Learning · Computer Science 2024-11-26 Hung-Chun Hsu , Bo-Jun Wu , Ming-Yi Hong , Che Lin , Chih-Yu Wang

Generative adversarial networks (GANs) studies have grown exponentially in the past few years. Their impact has been seen mainly in the computer vision field with realistic image and video manipulation, especially generation, making…

Machine Learning · Computer Science 2021-07-26 Eoin Brophy , Zhengwei Wang , Qi She , Tomas Ward

Time series data are essential for a wide range of applications, particularly in developing robust machine learning models. However, access to high-quality datasets is often limited due to privacy concerns, acquisition costs, and labeling…

Machine Learning · Computer Science 2026-02-02 Jaime Vale , Vanessa Freitas Silva , Maria Eduarda Silva , Fernando Silva

Generative adversarial networks (GANs) implicitly learn the probability distribution of a dataset and can draw samples from the distribution. This paper presents, Tabular GAN (TGAN), a generative adversarial network which can generate…

Machine Learning · Computer Science 2018-11-29 Lei Xu , Kalyan Veeramachaneni

Graph representation learning aims to encode all nodes of a graph into low-dimensional vectors that will serve as input of many compute vision tasks. However, most existing algorithms ignore the existence of inherent data distribution and…

Machine Learning · Computer Science 2020-08-04 Shuai Zheng , Zhenfeng Zhu , Xingxing Zhang , Zhizhe Liu , Jian Cheng , Yao Zhao

Generative Adversarial Networks (GANs) have shown great promise recently in image generation. Training GANs for language generation has proven to be more difficult, because of the non-differentiable nature of generating text with recurrent…

Computation and Language · Computer Science 2017-12-22 Ofir Press , Amir Bar , Ben Bogin , Jonathan Berant , Lior Wolf

Generating realistic graph-structured data is challenging due to discrete structures, variable sizes, and class-specific connectivity patterns that resist conventional generative modelling. While recent graph generation methods employ…

Machine Learning · Computer Science 2026-02-02 Seyedeh Ava Razi Razavi , James Sargant , Sheridan Houghten , Renata Dividino

The recent success of Generative Adversarial Networks (GAN) is a result of their ability to generate high quality images from a latent vector space. An important application is the generation of images from a text description, where the…

Machine Learning · Computer Science 2019-05-17 Hamid Eghbal-zadeh , Lukas Fischer , Thomas Hoch

Tuning curves characterizing the response selectivities of biological neurons often exhibit large degrees of irregularity and diversity across neurons. Theoretical network models that feature heterogeneous cell populations or random…

Quantitative Methods · Quantitative Biology 2017-07-20 Takafumi Arakaki , G. Barello , Yashar Ahmadian

Anomaly detection in time series data is a significant problem faced in many application areas such as manufacturing, medical imaging and cyber-security. Recently, Generative Adversarial Networks (GAN) have gained attention for generation…

Computer Vision and Pattern Recognition · Computer Science 2021-01-15 Md Abul Bashar , Richi Nayak

Generative adversarial networks (GANs) are a novel approach to generative modelling, a task whose goal it is to learn a distribution of real data points. They have often proved difficult to train: GANs are unlike many techniques in machine…

Machine Learning · Computer Science 2018-07-02 Samuel A. Barnett

Generative adversarial networks (GANs) have been remarkably successful in learning complex high dimensional real word distributions and generating realistic samples. However, they provide limited control over the generation process.…

Machine Learning · Computer Science 2020-10-27 Arunava Chakraborty , Rahul Ragesh , Mahir Shah , Nipun Kwatra

We propose Graphical Generative Adversarial Networks (Graphical-GAN) to model structured data. Graphical-GAN conjoins the power of Bayesian networks on compactly representing the dependency structures among random variables and that of…

Machine Learning · Computer Science 2018-12-18 Chongxuan Li , Max Welling , Jun Zhu , Bo Zhang

The Generative Adversarial Network (GAN) was recently introduced in the literature as a novel machine learning method for training generative models. It has many applications in statistics such as nonparametric clustering and nonparametric…

Machine Learning · Statistics 2023-06-26 Sehwan Kim , Qifan Song , Faming Liang

This paper proposes a novel graph-constrained generative adversarial network, whose generator and discriminator are built upon relational architecture. The main idea is to encode the constraint into the graph structure of its relational…

Computer Vision and Pattern Recognition · Computer Science 2020-03-17 Nelson Nauata , Kai-Hung Chang , Chin-Yi Cheng , Greg Mori , Yasutaka Furukawa

Being able to generate constrained samples is one of the most appealing applications of the deep generators. Conditional generators are one of the successful implementations of such models wherein the created samples are constrained to a…

Image and Video Processing · Electrical Eng. & Systems 2018-05-29 Shabab Bazrafkan , Peter Corcoran

Modelling in finance is a challenging task: the data often has complex statistical properties and its inner workings are largely unknown. Deep learning algorithms are making progress in the field of data-driven modelling, but the lack of…

Computational Finance · Quantitative Finance 2021-07-07 Florian Eckerli , Joerg Osterrieder

Imbalanced classification on graphs is ubiquitous yet challenging in many real-world applications, such as fraudulent node detection. Recently, graph neural networks (GNNs) have shown promising performance on many network analysis tasks.…

Machine Learning · Computer Science 2021-06-08 Liang Qu , Huaisheng Zhu , Ruiqi Zheng , Yuhui Shi , Hongzhi Yin