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A common problem in computer vision -- particularly in medical applications -- is a lack of sufficiently diverse, large sets of training data. These datasets often suffer from severe class imbalance. As a result, networks often overfit and…

图像与视频处理 · 电气工程与系统科学 2021-07-08 Shobhita Sundaram , Neha Hulkund

Deep learning models tend to memorize training data, which hurts their ability to generalize to under-represented classes. We empirically study a convolutional neural network's internal representation of imbalanced image data and measure…

机器学习 · 计算机科学 2022-10-19 Damien Dablain , Colin Bellinger , Bartosz Krawczyk , Nitesh Chawla

Modern Generative Adversarial Networks (GANs) generate realistic images remarkably well. Previous work has demonstrated the feasibility of "GAN-classifiers" that are distinct from the co-trained discriminator, and operate on images…

机器学习 · 计算机科学 2023-03-29 Arkanath Pathak , Nicholas Dufour

Conditional generative adversarial networks (cGANs) have demonstrated remarkable success due to their class-wise controllability and superior quality for complex generation tasks. Typical cGANs solve the joint distribution matching problem…

机器学习 · 计算机科学 2024-09-20 Kyeongbo Kong , Kyunghun Kim , Suk-Ju Kang

There is a prevalent opinion that diffusion-based models outperform GAN-based counterparts in the Image Super Resolution (ISR) problem. However, in most studies, diffusion-based ISR models employ larger networks and are trained longer than…

图像与视频处理 · 电气工程与系统科学 2024-10-29 Denis Kuznedelev , Valerii Startsev , Daniil Shlenskii , Sergey Kastryulin

Generation of photo-realistic images, semantic editing and representation learning are a few of many potential applications of high resolution generative models. Recent progress in GANs have established them as an excellent choice for such…

计算机视觉与模式识别 · 计算机科学 2021-12-13 Partha Ghosh , Dominik Zietlow , Michael J. Black , Larry S. Davis , Xiaochen Hu

Despite continued advancement in recent years, deep neural networks still rely on large amounts of training data to avoid overfitting. However, labeled training data for real-world applications such as healthcare is limited and difficult to…

Generative Adversarial Networks (GANs) have significantly advanced image synthesis, however, the synthesis quality drops significantly given a limited amount of training data. To improve the data efficiency of GAN training, prior work…

计算机视觉与模式识别 · 计算机科学 2021-06-09 Ceyuan Yang , Yujun Shen , Yinghao Xu , Bolei Zhou

Do GANs replicate training images? Previous studies have shown that GANs do not seem to replicate training data without significant change in the training procedure. This leads to a series of research on the exact condition needed for GANs…

机器学习 · 计算机科学 2022-02-25 Qianli Feng , Chenqi Guo , Fabian Benitez-Quiroz , Aleix Martinez

Training computer-vision related algorithms on medical images for disease diagnosis or image segmentation is difficult in large part due to privacy concerns. For this reason, generative image models are highly sought after to facilitate…

图像与视频处理 · 电气工程与系统科学 2023-11-02 Robert V. Bergen , Jean-Francois Rajotte , Fereshteh Yousefirizi , Arman Rahmim , Raymond T. Ng

Limited medical imaging datasets challenge deep learning models by increasing risks of overfitting and reduced generalization, particularly in Generative Adversarial Networks (GANs), where discriminators may overfit, leading to training…

计算机视觉与模式识别 · 计算机科学 2024-12-05 Adrian B. Chłopowiec , Adam R. Chłopowiec , Krzysztof Galus , Wojciech Cebula , Martin Tabakov

Machine learning models struggle with generalization when encountering out-of-distribution (OOD) samples with unexpected distribution shifts. For vision tasks, recent studies have shown that test-time adaptation employing diffusion models…

计算机视觉与模式识别 · 计算机科学 2024-04-03 Yun-Yun Tsai , Fu-Chen Chen , Albert Y. C. Chen , Junfeng Yang , Che-Chun Su , Min Sun , Cheng-Hao Kuo

The number of credit card fraud has been growing as technology grows and people can take advantage of it. Therefore, it is very important to implement a robust and effective method to detect such frauds. The machine learning algorithms are…

机器学习 · 计算机科学 2022-06-14 Sairamvinay Vijayaraghavan , Terry Guan , Jason , Song

Generative Adversarial Networks (GANs) have achieved remarkable achievements in image synthesis. These successes of GANs rely on large scale datasets, requiring too much cost. With limited training data, how to stable the training process…

计算机视觉与模式识别 · 计算机科学 2022-10-11 Ziqiang Li , Beihao Xia , Jing Zhang , Chaoyue Wang , Bin Li

One highly promising direction for enabling flexible real-time on-device image editing is utilizing data distillation by leveraging large-scale text-to-image diffusion models to generate paired datasets used for training generative…

计算机视觉与模式识别 · 计算机科学 2024-06-04 Yifan Gong , Zheng Zhan , Qing Jin , Yanyu Li , Yerlan Idelbayev , Xian Liu , Andrey Zharkov , Kfir Aberman , Sergey Tulyakov , Yanzhi Wang , Jian Ren

Despite continuous improvements, precipitation forecasts are still not as accurate and reliable as those of other meteorological variables. A major contributing factor to this is that several key processes affecting precipitation…

大气与海洋物理 · 物理学 2022-11-09 Lucy Harris , Andrew T. T. McRae , Matthew Chantry , Peter D. Dueben , Tim N. Palmer

While deep generative models (DGMs) have gained popularity, their susceptibility to biases and other inefficiencies that lead to undesirable outcomes remains an issue. With their growing complexity, there is a critical need for early…

机器学习 · 计算机科学 2024-12-18 Vidya Prasad , Anna Vilanova , Nicola Pezzotti

Machine learning algorithms are used in diverse domains, many of which face significant challenges due to data imbalance. Studies have explored various approaches to address the issue, like data preprocessing, cost-sensitive learning, and…

人工智能 · 计算机科学 2025-02-25 Pankaj Yadav , Gulshan Sihag , Vivek Vijay

Generative Adversarial Networks (GAN) have been widely investigated for image synthesis based on their powerful representation learning ability. In this work, we explore the StyleGAN and its application of synthetic food image generation.…

计算机视觉与模式识别 · 计算机科学 2023-03-17 Wenjin Fu , Yue Han , Jiangpeng He , Sriram Baireddy , Mridul Gupta , Fengqing Zhu

In recent years, with the rapid development of artificial intelligence, image generation based on deep learning has dramatically advanced. Image generation based on Generative Adversarial Networks (GANs) is a promising study. However, since…

机器学习 · 计算机科学 2022-03-16 Yongqi Tian , Xueyuan Gong , Jialin Tang , Binghua Su , Xiaoxiang Liu , Xinyuan Zhang