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We consider the problem of training generative models with a Generative Adversarial Network (GAN). Although GANs can accurately model complex distributions, they are known to be difficult to train due to instabilities caused by a difficult…

机器学习 · 计算机科学 2017-06-13 Paulina Grnarova , Kfir Y. Levy , Aurelien Lucchi , Thomas Hofmann , Andreas Krause

Data diversity is critical to success when training deep learning models. Medical imaging data sets are often imbalanced as pathologic findings are generally rare, which introduces significant challenges when training deep learning models.…

The performance of supervised deep learning methods for medical image segmentation is often limited by the scarcity of labeled data. As a promising research direction, semi-supervised learning addresses this dilemma by leveraging unlabeled…

图像与视频处理 · 电气工程与系统科学 2024-05-13 Zihang Liu , Chunhui Zhao

We introduce Kernel Density Discrimination GAN (KDD GAN), a novel method for generative adversarial learning. KDD GAN formulates the training as a likelihood ratio optimization problem where the data distributions are written explicitly via…

机器学习 · 计算机科学 2021-07-14 Abdelhak Lemkhenter , Adam Bielski , Alp Eren Sari , Paolo Favaro

Due to the various reasons such as atmospheric effects and differences in acquisition, it is often the case that there exists a large difference between spectral bands of satellite images collected from different geographic locations. The…

计算机视觉与模式识别 · 计算机科学 2020-10-28 Onur Tasar , S L Happy , Yuliya Tarabalka , Pierre Alliez

In recent years, Generative Adversarial Networks (GANs) have shown substantial progress in modeling complex distributions of data. These networks have received tremendous attention since they can generate implicit probabilistic models that…

信号处理 · 电气工程与系统科学 2018-10-25 Mehdi Ahmadi , Timothy Nest , Mostafa Abdelnaim , Thanh-Dung Le

In this work, we study the image transformation problem, which targets at learning the underlying transformations (e.g., the transition of seasons) from a collection of unlabeled images. However, there could be countless of transformations…

计算机视觉与模式识别 · 计算机科学 2022-10-07 Kaiwen Zha , Yujun Shen , Bolei Zhou

Detecting changed regions in paired satellite images plays a key role in many remote sensing applications. The evolution of recent techniques could provide satellite images with very high spatial resolution (VHR) but made it challenging to…

图像与视频处理 · 电气工程与系统科学 2021-12-08 Caijun Ren , Xiangyu Wang , Jian Gao , Huanhuan Chen

Anatomical landmark segmentation and pathology localization are important steps in automated analysis of medical images. They are particularly challenging when the anatomy or pathology is small, as in retinal images and cardiac MRI, or when…

计算机视觉与模式识别 · 计算机科学 2019-02-19 Dwarikanath Mahapatra , Behzad Bozorgtabar

Generative modelling and synthetic data can be a surrogate for real medical imaging datasets, whose scarcity and difficulty to share can be a nuisance when delivering accurate deep learning models for healthcare applications. In recent…

图像与视频处理 · 电气工程与系统科学 2024-02-27 Virginia Fernandez , Walter Hugo Lopez Pinaya , Pedro Borges , Mark S. Graham , Tom Vercauteren , M. Jorge Cardoso

Medical image segmentation is routinely performed to isolate regions of interest, such as organs and lesions. Currently, deep learning is the state of the art for automatic segmentation, but is usually limited by the need for supervised…

图像与视频处理 · 电气工程与系统科学 2021-02-05 Umaseh Sivanesan , Luis H. Braga , Ranil R. Sonnadara , Kiret Dhindsa

We propose a method for semi-supervised semantic segmentation using an adversarial network. While most existing discriminators are trained to classify input images as real or fake on the image level, we design a discriminator in a fully…

计算机视觉与模式识别 · 计算机科学 2018-07-26 Wei-Chih Hung , Yi-Hsuan Tsai , Yan-Ting Liou , Yen-Yu Lin , Ming-Hsuan Yang

Deep neural networks usually require accurate and a large number of annotations to achieve outstanding performance in medical image segmentation. One-shot segmentation and weakly-supervised learning are promising research directions that…

图像与视频处理 · 电气工程与系统科学 2021-11-23 Wenhui Lei , Qi Su , Ran Gu , Na Wang , Xinglong Liu , Guotai Wang , Xiaofan Zhang , Shaoting Zhang

This work addresses the problems of semantic segmentation and image super-resolution by jointly considering the performance of both in training a Generative Adversarial Network (GAN). We propose a novel architecture and domain-specific…

计算机视觉与模式识别 · 计算机科学 2022-05-19 Tristan Frizza , Donald G. Dansereau , Nagita Mehr Seresht , Michael Bewley

Neural network-based approaches can achieve high accuracy in various medical image segmentation tasks. However, they generally require large labelled datasets for supervised learning. Acquiring and manually labelling a large medical dataset…

图像与视频处理 · 电气工程与系统科学 2020-06-25 Chen Chen , Chen Qin , Huaqi Qiu , Cheng Ouyang , Shuo Wang , Liang Chen , Giacomo Tarroni , Wenjia Bai , Daniel Rueckert

Adversarial training has been shown to produce state of the art results for generative image modeling. In this paper we propose an adversarial training approach to train semantic segmentation models. We train a convolutional semantic…

计算机视觉与模式识别 · 计算机科学 2016-11-28 Pauline Luc , Camille Couprie , Soumith Chintala , Jakob Verbeek

Semantic segmentation constitutes an integral part of medical image analyses for which breakthroughs in the field of deep learning were of high relevance. The large number of trainable parameters of deep neural networks however renders them…

This work provides a framework for addressing the problem of supervised domain adaptation with deep models. The main idea is to exploit adversarial learning to learn an embedded subspace that simultaneously maximizes the confusion between…

计算机视觉与模式识别 · 计算机科学 2017-11-08 Saeid Motiian , Quinn Jones , Seyed Mehdi Iranmanesh , Gianfranco Doretto

Semantic segmentation is an essential step for electron microscopy (EM) image analysis. Although supervised models have achieved significant progress, the need for labor intensive pixel-wise annotation is a major limitation. To complicate…

计算机视觉与模式识别 · 计算机科学 2021-01-11 Jiajin Yi , Zhimin Yuan , Jialin Peng

Semi-supervised learning is sought for leveraging the unlabelled data when labelled data is difficult or expensive to acquire. Deep generative models (e.g., Variational Autoencoder (VAE)) and semisupervised Generative Adversarial Networks…

机器学习 · 计算机科学 2019-05-09 Xiang Zhang , Lina Yao , Feng Yuan