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Chest X-ray (CXR) is a low-cost medical imaging technique. It is a common procedure for the identification of many respiratory diseases compared to MRI, CT, and PET scans. This paper presents the use of generative adversarial networks (GAN)…

Image and Video Processing · Electrical Eng. & Systems 2020-09-15 Faizan Munawar , Shoaib Azmat , Talha Iqbal , Christer Grönlund , Hazrat Ali

Image de-fencing is one of the important aspects of recreational photography in which the objective is to remove the fence texture present in an image and generate an aesthetically pleasing version of the same image without the fence…

Computer Vision and Pattern Recognition · Computer Science 2019-08-20 Divyanshu Gupta , Shorya Jain , Utkarsh Tripathi , Pratik Chattopadhyay , Lipo Wang

Computed Tomography (CT) plays a pivotal role in medical diagnosis; however, variability across reconstruction kernels hinders data-driven approaches, such as deep learning models, from achieving reliable and generalized performance. To…

Image and Video Processing · Electrical Eng. & Systems 2026-02-16 Francesco Di Feola , Ludovica Pompilio , Cecilia Assolito , Valerio Guarrasi , Paolo Soda

Magnetic resonance image (MRI) reconstruction is a severely ill-posed linear inverse task demanding time and resource intensive computations that can substantially trade off {\it accuracy} for {\it speed} in real-time imaging. In addition,…

Computer Vision and Pattern Recognition · Computer Science 2017-06-02 Morteza Mardani , Enhao Gong , Joseph Y. Cheng , Shreyas Vasanawala , Greg Zaharchuk , Marcus Alley , Neil Thakur , Song Han , William Dally , John M. Pauly , Lei Xing

Generative adversarial networks (GANs), trained on a large-scale image dataset, can be a good approximator of the natural image manifold. GAN-inversion, using a pre-trained generator as a deep generative prior, is a promising tool for image…

Computer Vision and Pattern Recognition · Computer Science 2023-02-27 Shancong Mou , Xiaoyi Gu , Meng Cao , Haoping Bai , Ping Huang , Jiulong Shan , Jianjun Shi

Recently, Generative Adversarial Networks (GANs) and image manipulating methods are becoming more powerful and can produce highly realistic face images beyond human recognition which have raised significant concerns regarding the…

Computer Vision and Pattern Recognition · Computer Science 2019-10-15 Kritaphat Songsri-in , Stefanos Zafeiriou

Convolutional Neural Networks (CNNs) achieve excellent computer-assisted diagnosis with sufficient annotated training data. However, most medical imaging datasets are small and fragmented. In this context, Generative Adversarial Networks…

Image and Video Processing · Electrical Eng. & Systems 2019-10-10 Changhee Han , Leonardo Rundo , Ryosuke Araki , Yudai Nagano , Yujiro Furukawa , Giancarlo Mauri , Hideki Nakayama , Hideaki Hayashi

We report a framework based on a generative adversarial network (GAN) that performs high-fidelity color image reconstruction using a single hologram of a sample that is illuminated simultaneously by light at three different wavelengths. The…

Image and Video Processing · Electrical Eng. & Systems 2019-07-17 Tairan Liu , Zhensong Wei , Yair Rivenson , Kevin de Haan , Yibo Zhang , Yichen Wu , Aydogan Ozcan

Recently the GAN generated face images are more and more realistic with high-quality, even hard for human eyes to detect. On the other hand, the forensics community keeps on developing methods to detect these generated fake images and try…

Computer Vision and Pattern Recognition · Computer Science 2019-12-11 Xinsheng Xuan , Bo Peng , Wei Wang , Jing Dong

To detect GAN generated images, conventional supervised machine learning algorithms require collection of a number of real and fake images from the targeted GAN model. However, the specific model used by the attacker is often unavailable.…

Computer Vision and Pattern Recognition · Computer Science 2019-10-17 Xu Zhang , Svebor Karaman , Shih-Fu Chang

Resampling is an important signature of manipulated images. In this paper, we propose two methods to detect and localize image manipulations based on a combination of resampling features and deep learning. In the first method, the Radon…

With the advent of Deep Learning (DL) techniques, especially Generative Adversarial Networks (GANs), data augmentation and generation are quickly evolving domains that have raised much interest recently. However, the DL techniques are data…

Computer Vision and Pattern Recognition · Computer Science 2018-05-30 Umair Javaid , John A. Lee

Currently generative adversarial networks (GANs) are rarely applied to medical images of large sizes, especially 3D volumes, due to their large computational demand. We propose a novel multi-scale patch-based GAN approach to generate large…

Image and Video Processing · Electrical Eng. & Systems 2019-07-09 Hristina Uzunova , Jan Ehrhardt , Fabian Jacob , Alex Frydrychowicz , Heinz Handels

Medical images with specific pathologies are scarce, but a large amount of data is usually required for a deep convolutional neural network (DCNN) to achieve good accuracy. We consider the problem of segmenting the left ventricular (LV)…

Computer Vision and Pattern Recognition · Computer Science 2018-08-15 Felix Lau , Tom Hendriks , Jesse Lieman-Sifry , Berk Norman , Sean Sall , Daniel Golden

Generative adversarial networks (GANs) are a class of unsupervised machine learning algorithms that can produce realistic images from randomly-sampled vectors in a multi-dimensional space. Until recently, it was not possible to generate…

Computer Vision and Pattern Recognition · Computer Science 2018-05-10 Andrew Beers , James Brown , Ken Chang , J. Peter Campbell , Susan Ostmo , Michael F. Chiang , Jayashree Kalpathy-Cramer

Computed Tomography (CT) is a medical imaging modality that can generate more informative 3D images than 2D X-rays. However, this advantage comes at the expense of more radiation exposure, higher costs, and longer acquisition time. Hence,…

Image and Video Processing · Electrical Eng. & Systems 2023-09-12 Shuangqin Cheng , Qingliang Chen , Qiyi Zhang , Ming Li , Yamuhanmode Alike , Kaile Su , Pengcheng Wen

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…

Image and Video Processing · Electrical Eng. & Systems 2021-12-08 Caijun Ren , Xiangyu Wang , Jian Gao , Huanhuan Chen

Full face synthesis and partial face manipulation by virtue of the generative adversarial networks (GANs) and its variants have raised wide public concerns. In the multi-media forensics area, detecting and ultimately locating the image…

Computer Vision and Pattern Recognition · Computer Science 2021-11-24 Yihao Huang , Felix Juefei-Xu , Qing Guo , Yang Liu , Geguang Pu

Current satellite imaging technology enables shooting high-resolution pictures of the ground. As any other kind of digital images, overhead pictures can also be easily forged. However, common image forensic techniques are often developed…

Computer Vision and Pattern Recognition · Computer Science 2018-02-15 Sri Kalyan Yarlagadda , David Güera , Paolo Bestagini , Fengqing Maggie Zhu , Stefano Tubaro , Edward J. Delp

Visually realistic GAN-generated facial images raise obvious concerns on potential misuse. Many effective forensic algorithms have been developed to detect such synthetic images in recent years. It is significant to assess the vulnerability…

Computer Vision and Pattern Recognition · Computer Science 2022-11-08 Zijie Lou , Gang Cao , Man Lin