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Related papers: Solving Low-Dose CT Reconstruction via GAN with Lo…

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A major challenge in computed tomography (CT) is how to minimize patient radiation exposure without compromising image quality and diagnostic performance. The use of deep convolutional (Conv) neural networks for noise reduction in Low-Dose…

Computer Vision and Pattern Recognition · Computer Science 2019-08-06 Chenyu You , Linfeng Yang , Yi Zhang , Ge Wang

In medical image synthesis, model training could be challenging due to the inconsistencies between images of different modalities even with the same patient, typically caused by internal status/tissue changes as different modalities are…

Image and Video Processing · Electrical Eng. & Systems 2021-09-16 Hajar Emami , Ming Dong , Siamak Nejad-Davarani , Carri Glide-Hurst

Existing deep learning-based approaches for histopathology image analysis require large annotated training sets to achieve good performance; but annotating histopathology images is slow and resource-intensive. Conditional generative…

Image and Video Processing · Electrical Eng. & Systems 2021-10-29 Sujata Butte , Haotian Wang , Min Xian , Aleksandar Vakanski

Deep neural networks (DNN) are commonly used to denoise and sharpen X-ray computed tomography (CT) images with the goal of reducing patient X-ray dosage while maintaining reconstruction quality. However, naive application of DNN-based…

Image and Video Processing · Electrical Eng. & Systems 2023-12-22 Madhuri Nagare , Gregery T. Buzzard , Charles A. Bouman

Given the potential X-ray radiation risk to the patient, low-dose CT has attracted a considerable interest in the medical imaging field. The current main stream low-dose CT methods include vendor-specific sinogram domain filtration and…

Medical Physics · Physics 2017-12-12 Hu Chen , Yi Zhang , Mannudeep K. Kalra , Feng Lin , Yang Chen , Peixi Liao , Jiliu Zhou , Ge Wang

Synchrotron-based x-ray tomography is a noninvasive imaging technique that allows for reconstructing the internal structure of materials at high spatial resolutions from tens of micrometers to a few nanometers. In order to resolve sample…

Computer Vision and Pattern Recognition · Computer Science 2020-03-18 Zhengchun Liu , Tekin Bicer , Rajkumar Kettimuthu , Doga Gursoy , Francesco De Carlo , Ian Foster

In medical imaging, image synthesis is the estimation process of one image (sequence, modality) from another image (sequence, modality). Since images with different modalities provide diverse biomarkers and capture various features,…

Image and Video Processing · Electrical Eng. & Systems 2023-05-26 Firoozeh Shomal Zadeh , Sevda Molani , Maysam Orouskhani , Marziyeh Rezaei , Mehrzad Shafiei , Hossein Abbasi

Low-dose computed tomography (LDCT) scans, which can effectively alleviate the radiation problem, will degrade the imaging quality. In this paper, we propose a novel LDCT reconstruction network that unrolls the iterative scheme and performs…

Image and Video Processing · Electrical Eng. & Systems 2020-08-04 Wenjun Xia , Zexin Lu , Yongqiang Huang , Zuoqiang Shi , Yan Liu , Hu Chen , Yang Chen , Jiliu Zhou , Yi Zhang

Low-Dose computer tomography (LDCT) is an ideal alternative to reduce radiation risk in clinical applications. Although supervised-deep-learning-based reconstruction methods have demonstrated superior performance compared to conventional…

Image and Video Processing · Electrical Eng. & Systems 2024-05-24 Feng Wang , Renfang Wang , Hong Qiu

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

Purpose: To assess whether a generative adversarial network (GAN) could synthesize realistic optical coherence tomography (OCT) images that satisfactorily serve as the educational images for retinal specialists and the training datasets for…

Medical Physics · Physics 2020-06-02 Ce Zheng , Xiaolin Xie , Kang Zhou , Bang Chen , Jili Chen , Haiyun Ye , Wen Li , Tong Qiao , Shenghua Gao , Jianlong Yang , Jiang Liu

Convolutional Neural Networks (CNNs) can play a key role in Medical Image Analysis under large-scale annotated datasets. However, preparing such massive dataset is demanding. In this context, Generative Adversarial Networks (GANs) can…

Image and Video Processing · Electrical Eng. & Systems 2021-06-04 Changhee Han

Low-dose computed tomography (CT) has attracted a major attention in the medical imaging field, since CT-associated x-ray radiation carries health risks for patients. The reduction of CT radiation dose, however, compromises the…

Computer Vision and Pattern Recognition · Computer Science 2019-07-16 Hongming Shan , Yi Zhang , Qingsong Yang , Uwe Kruger , Mannudeep K. Kalra , Ling Sun , Wenxiang Cong , Ge Wang

In the recent years, there has been a significant improvement in the quality of samples produced by (deep) generative models such as variational auto-encoders and generative adversarial networks. However, the representation capabilities of…

Image and Video Processing · Electrical Eng. & Systems 2026-03-31 Shady Abu Hussein , Tom Tirer , Raja Giryes

We report, to our knowledge, the first end-to-end application of Generative Adversarial Networks (GANs) towards the synthesis of Optical Coherence Tomography (OCT) images of the retina. Generative models have gained recent attention for the…

Computer Vision and Pattern Recognition · Computer Science 2019-02-19 Stephen G. Odaibo , M. D. , M. S. , M. S.

Medical image reconstruction is typically an ill-posed inverse problem. In order to address such ill-posed problems, the prior distribution of the sought after object property is usually incorporated by means of some sparsity-promoting…

Image and Video Processing · Electrical Eng. & Systems 2020-01-30 Sayantan Bhadra , Weimin Zhou , Mark A. Anastasio

In order to reduce the potential radiation risk, low-dose CT has attracted more and more attention. However, simply lowering the radiation dose will significantly degrade the imaging quality. In this paper, we propose a noise reduction…

Medical Physics · Physics 2016-09-28 Hu Chen , Yi Zhang , Weihua Zhang , Peixi Liao , Ke Li , Jiliu Zhou , Ge Wang

Magnetic induction tomography (MIT) is an efficient solution for long-term brain disease monitoring, which focuses on reconstructing bio-impedance distribution inside the human brain using non-intrusive electromagnetic fields. However,…

Computer Vision and Pattern Recognition · Computer Science 2021-02-17 Zuohui Chen , Qing Yuan , Xujie Song , Cheng Chen , Dan Zhang , Yun Xiang , Ruigang Liu , Qi Xuan

Computed tomography (CT) provides highly detailed three-dimensional (3D) medical images but is costly, time-consuming, and often inaccessible in intraoperative settings (Organization et al. 2011). Recent advancements have explored…

Image and Video Processing · Electrical Eng. & Systems 2024-12-12 Zhaoxi Zhang , Yueliang Ying

To obtain high-quality positron emission tomography (PET) scans while reducing radiation exposure to the human body, various approaches have been proposed to reconstruct standard-dose PET (SPET) images from low-dose PET (LPET) images. One…

Image and Video Processing · Electrical Eng. & Systems 2023-08-22 Zeyu Han , Yuhan Wang , Luping Zhou , Peng Wang , Binyu Yan , Jiliu Zhou , Yan Wang , Dinggang Shen