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Large high-quality medical image datasets are difficult to acquire but necessary for many deep learning applications. For positron emission tomography (PET), reconstructed image quality is limited by inherent Poisson noise. We propose a…

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

There has been a drastic growth of research in Generative Adversarial Nets (GANs) in the past few years. Proposed in 2014, GAN has been applied to various applications such as computer vision and natural language processing, and achieves…

Computer Vision and Pattern Recognition · Computer Science 2018-11-20 He Huang , Philip S. Yu , Changhu Wang

Fusing multi-modality medical images, such as MR and PET, can provide various anatomical or functional information about human body. But PET data is always unavailable due to different reasons such as cost, radiation, or other limitations.…

Image and Video Processing · Electrical Eng. & Systems 2020-08-11 Shengye Hu , Baiying Lei , Yong Wang , Zhiguang Feng , Yanyan Shen , Shuqiang Wang

The Computed Tomography (CT) for diagnosis of lesions in human internal organs is one of the most fundamental topics in medical imaging. Low-dose CT, which offers reduced radiation exposure, is preferred over standard-dose CT, and therefore…

Image and Video Processing · Electrical Eng. & Systems 2023-09-26 Wenjie Liu

Synthesizing medical images, such as PET, is a challenging task due to the fact that the intensity range is much wider and denser than those in photographs and digital renderings and are often heavily biased toward zero. Above all,…

Despite the breakthroughs in quality of image enhancement, an end-to-end solution for simultaneous recovery of the finer texture details and sharpness for degraded images with low resolution is still unsolved. Some existing approaches focus…

Computer Vision and Pattern Recognition · Computer Science 2019-01-17 Soumya Shubhra Ghosh , Yang Hua , Sankha Subhra Mukherjee , Neil Robertson

In the years since Goodfellow et al. introduced Generative Adversarial Networks (GANs), there has been an explosion in the breadth and quality of generative model applications. Despite this work, GANs still have a long way to go before they…

Machine Learning · Computer Science 2020-04-14 Conor Lazarou

To obtain high-quality positron emission tomography (PET) while minimizing radiation exposure, a range of methods have been designed to reconstruct standard-dose PET (SPET) from corresponding low-dose PET (LPET) images. However, most…

Image and Video Processing · Electrical Eng. & Systems 2024-04-11 Yuchen Fei , Yanmei Luo , Yan Wang , Jiaqi Cui , Yuanyuan Xu , Jiliu Zhou , Dinggang Shen

Generative Adversarial Networks (GAN) have attracted much research attention recently, leading to impressive results for natural image generation. However, to date little success was observed in using GAN generated images for improving…

Computer Vision and Pattern Recognition · Computer Science 2017-11-15 Xinlong Wang , Zhipeng Man , Mingyu You , Chunhua Shen

We propose a novel ECGAN for the challenging semantic image synthesis task. Although considerable improvement has been achieved, the quality of synthesized images is far from satisfactory due to three largely unresolved challenges. 1) The…

Computer Vision and Pattern Recognition · Computer Science 2023-03-29 Hao Tang , Xiaojuan Qi , Guolei Sun , Dan Xu , Nicu Sebe , Radu Timofte , Luc Van Gool

Generative Adversarial Networks (GANs) have been extremely successful in various application domains. Adversarial image synthesis has drawn increasing attention and made tremendous progress in recent years because of its wide range of…

Computer Vision and Pattern Recognition · Computer Science 2021-07-19 William Roy , Glen Kelly , Robert Leer , Frederick Ricardo

Objective: Recognizing retinal vessel abnormity is vital to early diagnosis of ophthalmological diseases and cardiovascular events. However, segmentation results are highly influenced by elusive vessels, especially in low-contrast…

Image and Video Processing · Electrical Eng. & Systems 2019-12-19 Yukun Zhou , Zailiang Chen , Hailan Shen , Xianxian Zheng , Rongchang Zhao , Xuanchu Duan

18F-fluorodeoxyglucose (18F-FDG) Positron Emission Tomography (PET) imaging usually needs a full-dose radioactive tracer to obtain satisfactory diagnostic results, which raises concerns about the potential health risks of radiation…

Image and Video Processing · Electrical Eng. & Systems 2022-02-15 Yu Fu , Shunjie Dong , Yi Liao , Le Xue , Yuanfan Xu , Feng Li , Qianqian Yang , Tianbai Yu , Mei Tian , Cheng Zhuo

Enhanced Super-Resolution Generative Adversarial Network (ESRGAN) is a perceptual-driven approach for single image super resolution that is able to produce photorealistic images. Despite the visual quality of these generated images, there…

Image and Video Processing · Electrical Eng. & Systems 2020-07-16 Nathanaël Carraz Rakotonirina , Andry Rasoanaivo

Generative Adversarial Networks (GANs) have the capability of synthesizing images, which have been successfully applied to medical image synthesis tasks. However, most of existing methods merely consider the global contextual information…

Computer Vision and Pattern Recognition · Computer Science 2019-08-14 Tianyang Zhang , Huazhu Fu , Yitian Zhao , Jun Cheng , Mengjie Guo , Zaiwang Gu , Bing Yang , Yuting Xiao , Shenghua Gao , Jiang Liu

Attenuation correction (AC) is essential for the generation of artifact-free and quantitatively accurate positron emission tomography (PET) images. However, AC of PET faces challenges including inter-scan motion and erroneous transformation…

Image and Video Processing · Electrical Eng. & Systems 2023-10-04 Yu Guan , Bohui Shen , Xinchong Shi , Xiangsong Zhang , Bingxuan Li , Qiegen Liu

Nanomaterial research is becoming a vital area for energy, medicine, and materials science, and accurate analysis of the nanoparticle topology is essential to determine their properties. Unfortunately, the lack of high-quality annotated…

Computer Vision and Pattern Recognition · Computer Science 2025-05-26 Varun Ajith , Anindya Pal , Saumik Bhattacharya , Sayantari Ghosh

Single-Image Super-Resolution can support robotic tasks in environments where a reliable visual stream is required to monitor the mission, handle teleoperation or study relevant visual details. In this work, we propose an efficient…

Image and Video Processing · Electrical Eng. & Systems 2023-05-10 Simone Angarano , Francesco Salvetti , Mauro Martini , Marcello Chiaberge

Generative Adversarial Networks (GANs) are powerful tools for reconstructing Compressed Sensing Magnetic Resonance Imaging (CS-MRI). However most recent works lack exploration of structure information of MRI images that is crucial for…

Computer Vision and Pattern Recognition · Computer Science 2019-03-06 Zhongnian Li , Tao Zhang , Peng Wan , Daoqiang Zhang