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One of the most challenges in medical imaging is the lack of data. It is proven that classical data augmentation methods are useful but still limited due to the huge variation in images. Using generative adversarial networks (GAN) is a…

Image and Video Processing · Electrical Eng. & Systems 2021-04-16 Amine Amyar , Su Ruan , Pierre Vera , Pierre Decazes , Romain Modzelewski

Generative Adversarial Networks (GANs) have received a great deal of attention due in part to recent success in generating original, high-quality samples from visual domains. However, most current methods only allow for users to guide this…

Graphics · Computer Science 2019-04-05 Eric Heim

Medical imaging datasets are inherently high dimensional with large variability and low sample sizes that limit the effectiveness of deep learning algorithms. Recently, generative adversarial networks (GANs) with the ability to synthesize…

Image and Video Processing · Electrical Eng. & Systems 2024-12-13 Apoorva Sikka , Skand Peri , Jitender Singh Virk , Usma Niyaz , Deepti R. Bathula

Magnetic Resonance Imaging allows high resolution data acquisition with the downside of motion sensitivity due to relatively long acquisition times. Even during the acquisition of a single 2D slice, motion can severely corrupt the image.…

Numerical Analysis · Mathematics 2024-04-12 Mathias S. Feinler , Bernadette N. Hahn

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…

Computer Vision and Pattern Recognition · Computer Science 2019-02-19 Dwarikanath Mahapatra , Behzad Bozorgtabar

Generative models have been very successful over the years and have received significant attention for synthetic data generation. As deep learning models are getting more and more complex, they require large amounts of data to perform…

Image and Video Processing · Electrical Eng. & Systems 2023-02-24 Usama Tariq , Rizwan Qureshi , Anas Zafar , Danyal Aftab , Jia Wu , Tanvir Alam , Zubair Shah , Hazrat Ali

We present a new weakly supervised learning-based method for generating novel category-specific 3D shapes from unoccluded image collections. Our method is weakly supervised and only requires silhouette annotations from unoccluded,…

Computer Vision and Pattern Recognition · Computer Science 2019-06-11 Xiao Li , Yue Dong , Pieter Peers , Xin Tong

Image generation remains a fundamental problem in artificial intelligence in general and deep learning in specific. The generative adversarial network (GAN) was successful in generating high quality samples of natural images. We propose a…

Artificial Intelligence · Computer Science 2016-11-15 Hanock Kwak , Byoung-Tak Zhang

In recent studies, Generative Adversarial Network (GAN) is one of the popular schemes to augment the image dataset. However, in our study we find the generator G in the GAN fails to generate numerical data in lower-dimensional spaces, and…

Machine Learning · Computer Science 2020-10-27 Wei Wang , Yimeng Chai , Tao Cui , Chuang Wang , Baohua Zhang , Yue Li , Yi An

Magnetic Resonance Imaging (MRI) enables the acquisition of multiple image contrasts, such as T1-weighted (T1w) and T2-weighted (T2w) scans, each offering distinct diagnostic insights. However, acquiring all desired modalities increases…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Andrea Moschetto , Lemuel Puglisi , Alec Sargood , Pierluigi Dell'Acqua , Francesco Guarnera , Sebastiano Battiato , Daniele Ravì

The identification of lesion within medical image data is necessary for diagnosis, treatment and prognosis. Segmentation and classification approaches are mainly based on supervised learning with well-paired image-level or voxel-level…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Liyan Sun , Jiexiang Wang , Yue Huang , Xinghao Ding , Hayit Greenspan , John Paisley

We propose a new approach to Generative Adversarial Networks (GANs) to achieve an improved performance with additional robustness to its so-called and well recognized mode collapse. We first proceed by mapping the desired data onto a…

Computer Vision and Pattern Recognition · Computer Science 2019-08-26 Shahin Mahdizadehaghdam , Ashkan Panahi , Hamid Krim

Due to the lack of available annotated medical images, accurate computer-assisted diagnosis requires intensive Data Augmentation (DA) techniques, such as geometric/intensity transformations of original images; however, those transformed…

Computer Vision and Pattern Recognition · Computer Science 2019-04-01 Changhee Han , Leonardo Rundo , Ryosuke Araki , Yujiro Furukawa , Giancarlo Mauri , Hideki Nakayama , Hideaki Hayashi

In medical imaging, access to data is commonly limited due to patient privacy restrictions and the issue that it can be difficult to acquire enough data in the case of rare diseases.[1] The purpose of this investigation was to develop a…

Computer Vision and Pattern Recognition · Computer Science 2024-03-29 John R. McNulty , Lee Kho , Alexandria L. Case , Charlie Fornaca , Drew Johnston , David Slater , Joshua M. Abzug , Sybil A. Russell

Generative Adversarial Networks (GANs) have been employed with certain success for image translation tasks between optical and real-valued SAR intensity imagery. Applications include aiding interpretability of SAR scenes with their optical…

Signal Processing · Electrical Eng. & Systems 2020-08-05 Philipp Sibler , Yuanyuan Wang , Stefan Auer , Mohsin Ali , Xiao Xiang Zhu

High-resolution (HR) magnetic resonance images (MRI) provide detailed anatomical information important for clinical application and quantitative image analysis. However, HR MRI conventionally comes at the cost of longer scan time, smaller…

Computer Vision and Pattern Recognition · Computer Science 2018-06-12 Yuhua Chen , Feng Shi , Anthony G. Christodoulou , Zhengwei Zhou , Yibin Xie , Debiao Li

We propose a new approach to train the Generative Adversarial Nets (GANs) with a mixture of generators to overcome the mode collapsing problem. The main intuition is to employ multiple generators, instead of using a single one as in the…

Machine Learning · Computer Science 2017-10-31 Quan Hoang , Tu Dinh Nguyen , Trung Le , Dinh Phung

Adversarial examples have been demonstrated to threaten many computer vision tasks including object detection. However, the existing attacking methods for object detection have two limitations: poor transferability, which denotes that the…

Computer Vision and Pattern Recognition · Computer Science 2019-05-14 Xingxing Wei , Siyuan Liang , Ning Chen , Xiaochun Cao

Compared with the conventional 1*1 acquisition mode of projection in computed tomography (CT) image reconstruction, the 2*2 acquisition mode improves the collection efficiency of the projection and reduces the X-ray exposure time. However,…

Medical Physics · Physics 2020-08-10 Chao Tang , Wenkun Zhang , Linyuan Wang , Ailong Cai , Ningning Liang , Lei Li , Bin Yan

Although Generative Adversarial Networks (GANs) have shown remarkable success in various tasks, they still face challenges in generating high quality images. In this paper, we propose Stacked Generative Adversarial Networks (StackGAN)…

Computer Vision and Pattern Recognition · Computer Science 2018-06-29 Han Zhang , Tao Xu , Hongsheng Li , Shaoting Zhang , Xiaogang Wang , Xiaolei Huang , Dimitris Metaxas