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Ultrasound is the second most used modality in medical imaging. It is cost effective, hazardless, portable and implemented routinely in numerous clinical procedures. Nonetheless, image quality is characterized by granulated appearance, poor…

Image and Video Processing · Electrical Eng. & Systems 2022-06-13 Lilach Barkat , Moti Freiman , Haim Azhari

The CycleGAN framework allows for unsupervised image-to-image translation of unpaired data. In a scenario of surgical training on a physical surgical simulator, this method can be used to transform endoscopic images of phantoms into images…

Computer Vision and Pattern Recognition · Computer Science 2021-09-01 Lalith Sharan , Gabriele Romano , Sven Koehler , Halvar Kelm , Matthias Karck , Raffaele De Simone , Sandy Engelhardt

Recent years have witnessed a growing academic and industrial interest in deep learning (DL) for medical imaging. To perform well, DL models require very large labeled datasets. However, most medical imaging datasets are small, with a…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Minh H. Vu , Lorenzo Tronchin , Tufve Nyholm , Tommy Löfstedt

Magnetic resonance (MR) and computer tomography (CT) imaging are valuable tools for diagnosing diseases and planning treatment. However, limitations such as radiation exposure and cost can restrict access to certain imaging modalities. To…

Image and Video Processing · Electrical Eng. & Systems 2023-06-08 Jiayuan Wang , Q. M. Jonathan Wu , Farhad Pourpanah

CycleGAN (Zhu et al. 2017) is one recent successful approach to learn a transformation between two image distributions. In a series of experiments, we demonstrate an intriguing property of the model: CycleGAN learns to "hide" information…

Computer Vision and Pattern Recognition · Computer Science 2017-12-19 Casey Chu , Andrey Zhmoginov , Mark Sandler

In medical imaging, a general problem is that it is costly and time consuming to collect high quality data from healthy and diseased subjects. Generative adversarial networks (GANs) is a deep learning method that has been developed for…

Computer Vision and Pattern Recognition · Computer Science 2018-06-21 Per Welander , Simon Karlsson , Anders Eklund

We are interested in attribute-guided face generation: given a low-res face input image, an attribute vector that can be extracted from a high-res image (attribute image), our new method generates a high-res face image for the low-res input…

Computer Vision and Pattern Recognition · Computer Science 2018-11-15 Yongyi Lu , Yu-Wing Tai , Chi-Keung Tang

Privacy concerns around sharing personally identifiable information are a major practical barrier to data sharing in medical research. However, in many cases, researchers have no interest in a particular individual's information but rather…

Image and Video Processing · Electrical Eng. & Systems 2021-08-18 August DuMont Schütte , Jürgen Hetzel , Sergios Gatidis , Tobias Hepp , Benedikt Dietz , Stefan Bauer , Patrick Schwab

Annotating nuclei in microscopy images for the training of neural networks is a laborious task that requires expert knowledge and suffers from inter- and intra-rater variability, especially in fluorescence microscopy. Generative networks…

Image and Video Processing · Electrical Eng. & Systems 2023-08-04 Jonas Utz , Tobias Weise , Maja Schlereth , Fabian Wagner , Mareike Thies , Mingxuan Gu , Stefan Uderhardt , Katharina Breininger

Image synthesis is used to generate synthetic CTs (sCTs) from on-treatment cone-beam CTs (CBCTs) with a view to improving image quality and enabling accurate dose computation to facilitate a CBCT-based adaptive radiotherapy workflow. As…

Image and Video Processing · Electrical Eng. & Systems 2023-12-05 Chelsea A. H. Sargeant , Edward G. A. Henderson , Dónal M. McSweeney , Aaron G. Rankin , Denis Page

In this paper, we focus on analyzing the excess risk of the unpaired data generation model, called CycleGAN. Unlike classical GANs, CycleGAN not only transforms data between two unpaired distributions but also ensures the mappings are…

Machine Learning · Computer Science 2025-09-23 Luwei Sun , Dongrui Shen , Han Feng

In this research, we introduce an innovative method for synthesizing medical images using generative adversarial networks (GANs). Our proposed GANs method demonstrates the capability to produce realistic synthetic images even when trained…

Image and Video Processing · Electrical Eng. & Systems 2024-06-28 Yinqiu Feng , Bo Zhang , Lingxi Xiao , Yutian Yang , Tana Gegen , Zexi Chen

We propose a novel ECGAN for the challenging semantic image synthesis task. Although considerable improvements have been achieved by the community in the recent period, the quality of synthesized images is far from satisfactory due to three…

Computer Vision and Pattern Recognition · Computer Science 2023-07-25 Hao Tang , Guolei Sun , Nicu Sebe , Luc Van Gool

Face photo-sketch synthesis and recognition has many applications in digital entertainment and law enforcement. Recently, generative adversarial networks (GANs) based methods have significantly improved the quality of image synthesis, but…

Computer Vision and Pattern Recognition · Computer Science 2021-03-31 Yuke Fang , Jiani Hu , Weihong Deng

Rendering programs have changed the design process completely as they permit to see how the products will look before they are fabricated. However, the rendering process is complicated and takes a significant amount of time, not only in the…

Computer Vision and Pattern Recognition · Computer Science 2022-07-20 Tomas Cabezon Pedroso , Javier Del Ser , Natalia Diaz-Rodrıguez

Generative Adversarial Networks (GANs) have facilitated a new direction to tackle the image-to-image transformation problem. Different GANs use generator and discriminator networks with different losses in the objective function. Still…

Computer Vision and Pattern Recognition · Computer Science 2021-11-30 Kancharagunta Kishan Babu , Shiv Ram Dubey

In MRI studies, the aggregation of imaging data from multiple acquisition sites enhances sample size but may introduce site-related variabilities that hinder consistency in subsequent analyses. Deep learning methods for image translation…

Computer Vision and Pattern Recognition · Computer Science 2024-11-15 Vincent Roca , Grégory Kuchcinski , Jean-Pierre Pruvo , Dorian Manouvriez , Renaud Lopes

Magnetic Resonance Imaging (MRI) scans acquired from different scanners or institutions often suffer from domain shifts owing to variations in hardware, protocols, and acquisition parameters. This discrepancy degrades the performance of…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Mohd Usama , Belal Ahmad , Faleh Menawer R Althiyabi

Medical imaging is an essential tool for diagnosing and treating diseases. However, lacking medical images can lead to inaccurate diagnoses and ineffective treatments. Generative models offer a promising solution for addressing medical…

Image and Video Processing · Electrical Eng. & Systems 2024-01-02 M. AbdulRazek , G. Khoriba , M. Belal

In the clinical setting of histopathology, whole-slide image (WSI) artifacts frequently arise, distorting regions of interest, and having a pernicious impact on WSI analysis. Image-to-image translation networks such as CycleGANs are in…

Image and Video Processing · Electrical Eng. & Systems 2022-12-19 Cameron Dahan , Stergios Christodoulidis , Maria Vakalopoulou , Joseph Boyd