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Class-conditional image generation using generative adversarial networks (GANs) has been investigated through various techniques; however, it continues to face challenges such as mode collapse, training instability, and low-quality output…

Computer Vision and Pattern Recognition · Computer Science 2023-06-07 Taesun Yeom , Minhyeok Lee

Recently, generative adversarial networks (GANs) have shown promising performance in generating realistic images. However, they often struggle in learning complex underlying modalities in a given dataset, resulting in poor-quality generated…

Computer Vision and Pattern Recognition · Computer Science 2018-05-09 David Keetae Park , Seungjoo Yoo , Hyojin Bahng , Jaegul Choo , Noseong Park

Large datasets in machine learning often contain missing data, which necessitates the imputation of missing data values. In this work, we are motivated by network traffic classification, where traditional data imputation methods do not…

Machine Learning · Computer Science 2023-03-21 Rozhina Ghanavi , Ben Liang , Ali Tizghadam

Interest in automatic people re-identification systems has significantly grown in recent years, mainly for developing surveillance and smart shops software. Due to the variability in person posture, different lighting conditions, and…

Computer Vision and Pattern Recognition · Computer Science 2023-06-13 Victor Uc-Cetina , Laura Alvarez-Gonzalez , Anabel Martin-Gonzalez

Generative Adversarial Networks (GANs) have been used widely to generate large volumes of synthetic data. This data is being utilized for augmenting with real examples in order to train deep Convolutional Neural Networks (CNNs). Studies…

Computer Vision and Pattern Recognition · Computer Science 2020-06-18 Binod Bhattarai , Seungryul Baek , Rumeysa Bodur , Tae-Kyun Kim

We propose a novel GAN training scheme that can handle any level of labeling in a unified manner. Our scheme introduces a form of artificial labeling that can incorporate manually defined labels, when available, and induce an alignment…

Machine Learning · Computer Science 2021-06-21 Tomoki Watanabe , Paolo Favaro

Recently, the introduction of the generative adversarial network (GAN) and its variants has enabled the generation of realistic synthetic samples, which has been used for enlarging training sets. Previous work primarily focused on data…

Machine Learning · Computer Science 2018-08-27 Swee Kiat Lim , Yi Loo , Ngoc-Trung Tran , Ngai-Man Cheung , Gemma Roig , Yuval Elovici

Exploiting learning algorithms under scarce data regimes is a limitation and a reality of the medical imaging field. In an attempt to mitigate the problem, we propose a data augmentation protocol based on generative adversarial networks. We…

Image and Video Processing · Electrical Eng. & Systems 2021-03-30 Ahmad B Qasim , Ivan Ezhov , Suprosanna Shit , Oliver Schoppe , Johannes C Paetzold , Anjany Sekuboyina , Florian Kofler , Jana Lipkova , Hongwei Li , Bjoern Menze

In this paper, we leverage generative adversarial networks (GANs) to derive an effective algorithm LLP-GAN for learning from label proportions (LLP), where only the bag-level proportional information in labels is available. Endowed with…

Machine Learning · Computer Science 2019-12-03 Jiabin Liu , Bo Wang , Zhiquan Qi , Yingjie Tian , Yong Shi

Convolutional Neural Networks (CNNs) can play a key role in Medical Image Analysis under large-scale annotated datasets. However, preparing such massive dataset is demanding. In this context, Generative Adversarial Networks (GANs) can…

Image and Video Processing · Electrical Eng. & Systems 2021-06-04 Changhee Han

Class labels have been empirically shown useful in improving the sample quality of generative adversarial nets (GANs). In this paper, we mathematically study the properties of the current variants of GANs that make use of class label…

Machine Learning · Computer Science 2018-11-19 Zhiming Zhou , Han Cai , Shu Rong , Yuxuan Song , Kan Ren , Weinan Zhang , Yong Yu , Jun Wang

We present the first generative adversarial network (GAN) for natural image matting. Our novel generator network is trained to predict visually appealing alphas with the addition of the adversarial loss from the discriminator that is…

Computer Vision and Pattern Recognition · Computer Science 2018-07-27 Sebastian Lutz , Konstantinos Amplianitis , Aljosa Smolic

Most deep learning classification studies assume clean data. However, when dealing with the real world data, we encounter three problems such as 1) missing data, 2) class imbalance, and 3) missing label problems. These problems undermine…

Machine Learning · Computer Science 2019-05-29 Uiwon Hwang , Dahuin Jung , Sungroh Yoon

Generative adversarial networks (GANs) have recently become a popular data augmentation technique used by machine learning practitioners. However, they have been shown to suffer from the so-called mode collapse failure mode, which makes…

Machine Learning · Computer Science 2023-08-29 Denis Liu

The availability of training data is one of the main limitations in deep learning applications for medical imaging. Data augmentation is a popular approach to overcome this problem. A new approach is a Machine Learning based augmentation,…

Image and Video Processing · Electrical Eng. & Systems 2024-06-17 Oleksandr Fedoruk , Konrad Klimaszewski , Aleksander Ogonowski , Michał Kruk

We extend Generative Adversarial Networks (GANs) to the semi-supervised context by forcing the discriminator network to output class labels. We train a generative model G and a discriminator D on a dataset with inputs belonging to one of N…

Machine Learning · Statistics 2016-10-25 Augustus Odena

Training of generative models especially Generative Adversarial Networks can easily diverge in low-data setting. To mitigate this issue, we propose a novel implicit data augmentation approach which facilitates stable training and synthesize…

Computer Vision and Pattern Recognition · Computer Science 2022-07-15 Mengyu Dai , Haibin Hang , Xiaoyang Guo

In this work, we investigate semi-supervised learning (SSL) for image classification using adversarial training. Previous results have illustrated that generative adversarial networks (GANs) can be used for multiple purposes. Triple-GAN,…

Machine Learning · Computer Science 2019-10-22 Wenyuan Li , Zichen Wang , Yuguang Yue , Jiayun Li , William Speier , Mingyuan Zhou , Corey W. Arnold

Random data augmentation is a critical technique to avoid overfitting in training deep neural network models. However, data augmentation and network training are usually treated as two isolated processes, limiting the effectiveness of…

Computer Vision and Pattern Recognition · Computer Science 2018-05-25 Xi Peng , Zhiqiang Tang , Fei Yang , Rogerio Feris , Dimitris Metaxas

The data imbalance problem is a frequent bottleneck in the classification performance of neural networks. In this paper, we propose a novel supervised discriminative feature generation (DFG) method for a minority class dataset. DFG is based…

Computer Vision and Pattern Recognition · Computer Science 2020-10-27 Sungho Suh , Paul Lukowicz , Yong Oh Lee
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