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In this work, we present a method for unsupervised domain adaptation. Many adversarial learning methods train domain classifier networks to distinguish the features as either a source or target and train a feature generator network to mimic…

计算机视觉与模式识别 · 计算机科学 2018-04-04 Kuniaki Saito , Kohei Watanabe , Yoshitaka Ushiku , Tatsuya Harada

Handling imbalance in class distribution when building a classifier over tabular data has been a problem of long-standing interest. One popular approach is augmenting the training dataset with synthetically generated data. While classical…

机器学习 · 计算机科学 2025-02-20 Annie D'souza , Swetha M , Sunita Sarawagi

Even when aggregate accuracy is high, state-of-the-art NLP models often fail systematically on specific subgroups of data, resulting in unfair outcomes and eroding user trust. Additional data collection may not help in addressing these…

计算与语言 · 计算机科学 2023-05-30 Zexue He , Marco Tulio Ribeiro , Fereshte Khani

The proposed method, Discriminator Guidance, aims to improve sample generation of pre-trained diffusion models. The approach introduces a discriminator that gives explicit supervision to a denoising sample path whether it is realistic or…

计算机视觉与模式识别 · 计算机科学 2023-06-06 Dongjun Kim , Yeongmin Kim , Se Jung Kwon , Wanmo Kang , Il-Chul Moon

Generative adversarial networks (GANs) have shown great success in applications such as image generation and inpainting. However, they typically require large datasets, which are often not available, especially in the context of prediction…

机器学习 · 计算机科学 2020-01-31 Daniel Stoller , Sebastian Ewert , Simon Dixon

Anomaly detection is often considered a challenging field of machine learning due to the difficulty of obtaining anomalous samples for training and the need to obtain a sufficient amount of training data. In recent years, autoencoders have…

机器学习 · 计算机科学 2018-10-15 Yotam Intrator , Gilad Katz , Asaf Shabtai

Image classification datasets are often imbalanced, characteristic that negatively affects the accuracy of deep-learning classifiers. In this work we propose balancing GAN (BAGAN) as an augmentation tool to restore balance in imbalanced…

计算机视觉与模式识别 · 计算机科学 2018-06-06 Giovanni Mariani , Florian Scheidegger , Roxana Istrate , Costas Bekas , Cristiano Malossi

Few-Shot Class-Incremental Fault Diagnosis (FSC-FD), which aims to continuously learn from new fault classes with only a few samples without forgetting old ones, is critical for real-world industrial systems. However, this challenging task…

机器学习 · 计算机科学 2025-12-16 Zhendong Yang , Jie Wang , Liansong Zong , Xiaorong Liu , Quan Qian , Shiqian Chen

Humans are capable of learning new tasks without forgetting previous ones, while neural networks fail due to catastrophic forgetting between new and previously-learned tasks. We consider a class-incremental setting which means that the…

计算机视觉与模式识别 · 计算机科学 2020-04-21 Xialei Liu , Chenshen Wu , Mikel Menta , Luis Herranz , Bogdan Raducanu , Andrew D. Bagdanov , Shangling Jui , Joost van de Weijer

Class imbalance is an inherent problem in many machine learning classification tasks. This often leads to trained models that are unusable for any practical purpose. In this study we explore an unsupervised approach to address these…

机器学习 · 计算机科学 2021-08-20 Ademola Okerinde , Lior Shamir , William Hsu , Tom Theis , Nasik Nafi

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…

计算机视觉与模式识别 · 计算机科学 2022-07-15 Mengyu Dai , Haibin Hang , Xiaoyang Guo

Class imbalance is a long-standing problem relevant to a number of real-world applications of deep learning. Oversampling techniques, which are effective for handling class imbalance in classical learning systems, can not be directly…

计算机视觉与模式识别 · 计算机科学 2020-08-28 Sankha Subhra Mullick , Shounak Datta , Swagatam Das

Data limitation is one of the most common issues in training machine learning classifiers for medical applications. Due to ethical concerns and data privacy, the number of people that can be recruited to such experiments is generally…

音频与语音处理 · 电气工程与系统科学 2020-04-14 Bahman Mirheidari , Yilin Pan , Daniel Blackburn , Ronan O'Malley , Traci Walker , Annalena Venneri , Markus Reuber , Heidi Christensen

Automatic font generation without human experts is a practical and significant problem, especially for some languages that consist of a large number of characters. Existing methods for font generation are often in supervised learning. They…

计算机视觉与模式识别 · 计算机科学 2023-01-02 Xinyuan Chen , Yangchen Xie , Li Sun , Yue Lu

For many computer vision applications, such as image description and human identification, recognizing the visual attributes of humans is an essential yet challenging problem. Its challenges originate from its multi-label nature, the large…

计算机视觉与模式识别 · 计算机科学 2018-07-27 Nikolaos Sarafianos , Xiang Xu , Ioannis A. Kakadiaris

The performance of generative adversarial networks (GANs) heavily deteriorates given a limited amount of training data. This is mainly because the discriminator is memorizing the exact training set. To combat it, we propose Differentiable…

计算机视觉与模式识别 · 计算机科学 2020-12-08 Shengyu Zhao , Zhijian Liu , Ji Lin , Jun-Yan Zhu , Song Han

Within the context of reading comprehension, the task of Distractor Generation (DG) aims to generate several incorrect options to confuse readers. Traditional supervised methods for DG rely heavily on expensive human-annotated distractor…

计算与语言 · 计算机科学 2024-06-04 Fanyi Qu , Hao Sun , Yunfang Wu

A learning classifier must outperform a trivial solution, in case of imbalanced data, this condition usually does not hold true. To overcome this problem, we propose a novel data level resampling method - Clustering Based Oversampling for…

机器学习 · 计算机科学 2018-11-13 Naman D. Singh , Abhinav Dhall

Medical image classification is one of the most critical problems in the image recognition area. One of the major challenges in this field is the scarcity of labelled training data. Additionally, there is often class imbalance in datasets…

图像与视频处理 · 电气工程与系统科学 2022-09-29 Khushboo Mehra , Hassan Soliman , Soumya Ranjan Sahoo

Generative Adversarial Networks (GANs) have shown great promise in modeling high dimensional data. The learning objective of GANs usually minimizes some measure discrepancy, \textit{e.g.}, $f$-divergence~($f$-GANs) or Integral Probability…

机器学习 · 计算机科学 2020-04-07 Yuxuan Song , Qiwei Ye , Minkai Xu , Tie-Yan Liu