English
Related papers

Related papers: Annealing Genetic GAN for Minority Oversampling

200 papers

Generative adversarial network (GAN) has achieved impressive success on cross-domain generation, but it faces difficulty in cross-modal generation due to the lack of a common distribution between heterogeneous data. Most existing methods of…

Computer Vision and Pattern Recognition · Computer Science 2018-04-03 Wen-Cheng Chen , Chien-Wen Chen , Min-Chun Hu

Generative adversarial networks (GANs) learn a target probability distribution by optimizing a generator and a discriminator with minimax objectives. This paper addresses the question of whether such optimization actually provides the…

Machine Learning · Computer Science 2024-04-11 Yuhta Takida , Masaaki Imaizumi , Takashi Shibuya , Chieh-Hsin Lai , Toshimitsu Uesaka , Naoki Murata , Yuki Mitsufuji

Existing models for unsupervised image translation with Generative Adversarial Networks (GANs) can learn the mapping from the source domain to the target domain using a cycle-consistency loss. However, these methods always adopt a symmetric…

Computer Vision and Pattern Recognition · Computer Science 2024-07-15 Hao Tang , Nicu Sebe

This study proposes a method for imbalanced data classification based on deep probabilistic graphical models (DPGMs) to solve the problem that traditional methods have insufficient learning ability for minority class samples. To address the…

Machine Learning · Computer Science 2025-04-09 Yujia Lou , Jie Liu , Yuan Sheng , Jiawei Wang , Yiwei Zhang , Yaokun Ren

Inferring the most likely configuration for a subset of variables of a joint distribution given the remaining ones - which we refer to as co-generation - is an important challenge that is computationally demanding for all but the simplest…

Computer Vision and Pattern Recognition · Computer Science 2019-11-01 Tiantian Fang , Alexander G. Schwing

Imbalanced regression arises when the target distribution is skewed, causing models to focus on dense regions and struggle with underrepresented (minority) samples. Despite its relevance across many applications, few methods have been…

Machine Learning · Computer Science 2025-08-05 Shayan Alahyari , Shiva Mehdipour Ghobadlou , Mike Domaratzki

Class imbalance would lead to biased classifiers that favor the majority class and disadvantage the minority class. Unfortunately, from a practical perspective, the minority class is of importance in many real-life applications. Hybrid…

Machine Learning · Computer Science 2024-12-17 Wenbin Pei , Ruohao Dai , Bing Xue , Mengjie Zhang , Qiang Zhang , Yiu-Ming Cheung , Shuyin Xia

We introduce the Probabilistic Generative Adversarial Network (PGAN), a new GAN variant based on a new kind of objective function. The central idea is to integrate a probabilistic model (a Gaussian Mixture Model, in our case) into the GAN…

Machine Learning · Computer Science 2017-08-08 Hamid Eghbal-zadeh , Gerhard Widmer

Conventional Generative Adversarial Networks (GANs) for text generation tend to have issues of reward sparsity and mode collapse that affect the quality and diversity of generated samples. To address the issues, we propose a novel…

Computation and Language · Computer Science 2020-02-13 Wangchunshu Zhou , Tao Ge , Ke Xu , Furu Wei , Ming Zhou

Multi-domain image-to-image translation with conditional Generative Adversarial Networks (GANs) can generate highly photo realistic images with desired target classes, yet these synthetic images have not always been helpful to improve…

Computer Vision and Pattern Recognition · Computer Science 2021-05-13 Suman Sapkota , Bidur Khanal , Binod Bhattarai , Bishesh Khanal , Tae-Kyun Kim

Conditional Generative Adversarial Networks (cGAN) generate realistic images by incorporating class information into GAN. While one of the most popular cGANs is an auxiliary classifier GAN with softmax cross-entropy loss (ACGAN), it is…

Computer Vision and Pattern Recognition · Computer Science 2021-11-02 Minguk Kang , Woohyeon Shim , Minsu Cho , Jaesik Park

Generative models trained in an unsupervised manner may set high likelihood and low reconstruction loss to Out-of-Distribution (OoD) samples. This increases Type II errors and leads to missed anomalies, overall decreasing Anomaly Detection…

Machine Learning · Computer Science 2022-02-03 Nikolaos Dionelis , Mehrdad Yaghoobi , Sotirios A. Tsaftaris

This paper presents a novel deep learning based data-driven optimization method. A novel generative adversarial network (GAN) based data-driven distributionally robust chance constrained programming framework is proposed. GAN is applied to…

Optimization and Control · Mathematics 2020-05-12 Shipu Zhao , Fengqi You

Medical image reconstruction is typically an ill-posed inverse problem. In order to address such ill-posed problems, the prior distribution of the sought after object property is usually incorporated by means of some sparsity-promoting…

Image and Video Processing · Electrical Eng. & Systems 2020-01-30 Sayantan Bhadra , Weimin Zhou , Mark A. Anastasio

Deep generative models based on Generative Adversarial Networks (GANs) have demonstrated impressive sample quality but in order to work they require a careful choice of architecture, parameter initialization, and selection of…

Machine Learning · Computer Science 2017-11-08 Kevin Roth , Aurelien Lucchi , Sebastian Nowozin , Thomas Hofmann

Several approaches have been developed to mitigate algorithmic bias stemming from health data poverty, where minority groups are underrepresented in training datasets. Augmenting the minority class using resampling (such as SMOTE) is a…

Machine Learning · Computer Science 2022-10-27 Raffaele Marchesi , Nicolo Micheletti , Giuseppe Jurman , Venet Osmani

We propose the Margin Adaptation for Generative Adversarial Networks (MAGANs) algorithm, a novel training procedure for GANs to improve stability and performance by using an adaptive hinge loss function. We estimate the appropriate hinge…

Machine Learning · Computer Science 2017-05-24 Ruohan Wang , Antoine Cully , Hyung Jin Chang , Yiannis Demiris

Background: Machine learning techniques have been widely used and demonstrate promising performance in many software security tasks such as software vulnerability prediction. However, the class ratio within software vulnerability datasets…

Cryptography and Security · Computer Science 2022-05-03 Rui Shu , Tianpei Xia , Laurie Williams , Tim Menzies

Recently, several methods based on generative adversarial network (GAN) have been proposed for the task of aligning cross-domain images or learning a joint distribution of cross-domain images. One of the methods is to use conditional GAN…

Computer Vision and Pattern Recognition · Computer Science 2017-07-06 Xudong Mao , Qing Li , Haoran Xie

We introduce effective training algorithms for Generative Adversarial Networks (GAN) to alleviate mode collapse and gradient vanishing. In our system, we constrain the generator by an Autoencoder (AE). We propose a formulation to consider…

Computer Vision and Pattern Recognition · Computer Science 2018-12-18 Ngoc-Trung Tran , Tuan-Anh Bui , Ngai-Man Cheung