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相关论文: Noise Entangled GAN For Low-Dose CT Simulation

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Generative Adversarial Networks (GANs) have surfaced as a revolutionary element within the domain of low-dose computed tomography (LDCT) imaging, providing an advanced resolution to the enduring issue of reconciling radiation exposure with…

图像与视频处理 · 电气工程与系统科学 2025-02-05 Yunuo Wang , Ningning Yang , Jialin Li

Low-dose CT images are essential for reducing radiation exposure in cancer screening, pediatric imaging, and longitudinal monitoring protocols, but their quality is often degraded by noise from low-dose acquisition, patient motion, or…

计算机视觉与模式识别 · 计算机科学 2026-03-12 Jitindra Fartiyal , Pedro Freire , Sergei K. Turitsyn , Sergei G. Solovski

Despite the indispensable role of X-ray computed tomography (CT) in diagnostic medicine field, the associated ionizing radiation is still a major concern considering that it may cause genetic and cancerous diseases. Decreasing the exposure…

图像与视频处理 · 电气工程与系统科学 2021-06-09 Ti Bai , Dan Nguyen , Biling Wang , Steve Jiang

As PET imaging is accompanied by substantial radiation exposure and cancer risk, reducing radiation dose in PET scans is an important topic. However, low-count PET scans often suffer from high image noise, which can negatively impact image…

图像与视频处理 · 电气工程与系统科学 2023-05-01 Huidong Xie , Qiong Liu , Bo Zhou , Xiongchao Chen , Xueqi Guo , Chi Liu

Low-dose computed tomography (LDCT) reduces radiation exposure but also introduces substantial noise and structural degradation, making it difficult to suppress noise without erasing subtle anatomical details. In this paper, we present…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Tangtangfang Fang , Yang Jiao , Xiangjian He , Jingxi Hu , Jiaqi Yang

Low Dose Computed Tomography (LDCT) has offered tremendous benefits in radiation restricted applications, but the quantum noise as resulted by the insufficient number of photons could potentially harm the diagnostic performance. Current…

计算机视觉与模式识别 · 计算机科学 2019-03-06 Xin Yi , Paul Babyn

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…

图像与视频处理 · 电气工程与系统科学 2021-09-16 Hajar Emami , Ming Dong , Siamak Nejad-Davarani , Carri Glide-Hurst

Radiomics is an active area of research in medical image analysis, the low reproducibility of radiomics has limited its applicability to clinical practice. This issue is especially prominent when radiomic features are calculated from noisy…

定量方法 · 定量生物学 2021-08-16 Junhua Chen , Chong Zhang , Alberto Traverso , Ivan Zhovannik , Andre Dekker , Leonard Wee , Inigo Bermejo

Increasing use of CT in modern medical practice has raised concerns over associated radiation dose. Reduction of radiation dose associated with CT can increase noise and artifacts, which can adversely affect diagnostic confidence. Denoising…

计算机视觉与模式识别 · 计算机科学 2017-02-24 Qingsong Yang , Pingkun Yan , Mannudeep K. Kalra , Ge Wang

Using generative adversarial network (GAN)\cite{RN90} for data enhancement of medical images is significantly helpful for many computer-aided diagnosis (CAD) tasks. A new attack called CT-GAN has emerged. It can inject or remove lung cancer…

图像与视频处理 · 电气工程与系统科学 2022-05-31 Jianyi Zhang , Xuanxi Huang , Yaqi Liu , Yuyang Han , Zixiao Xiang

We explore different design choices for injecting noise into generative adversarial networks (GANs) with the goal of disentangling the latent space. Instead of traditional approaches, we propose feeding multiple noise codes through separate…

计算机视觉与模式识别 · 计算机科学 2020-05-06 Yazeed Alharbi , Peter Wonka

Due to its noninvasive character, optical coherence tomography (OCT) has become a popular diagnostic method in clinical settings. However, the low-coherence interferometric imaging procedure is inevitably contaminated by heavy speckle…

图像与视频处理 · 电气工程与系统科学 2020-07-08 Yongqiang Huang , Wenjun Xia , Zexin Lu , Yan Liu , Hu Chen , Jiliu Zhou , Leyuan Fang , Yi Zhang

Training computer-vision related algorithms on medical images for disease diagnosis or image segmentation is difficult due to the lack of training data, labeled samples, and privacy concerns. For this reason, a robust generative method to…

图像与视频处理 · 电气工程与系统科学 2021-11-04 Robert V Bergen , Jean-Francois Rajotte , Fereshteh Yousefirizi , Ivan S Klyuzhin , Arman Rahmim , Raymond T. Ng

Accurate Computer-Assisted Diagnosis, relying on large-scale annotated pathological images, can alleviate the risk of overlooking the diagnosis. Unfortunately, in medical imaging, most available datasets are small/fragmented. To tackle…

计算机视觉与模式识别 · 计算机科学 2019-08-14 Changhee Han , Yoshiro Kitamura , Akira Kudo , Akimichi Ichinose , Leonardo Rundo , Yujiro Furukawa , Kazuki Umemoto , Yuanzhong Li , Hideki Nakayama

Due to the widespread use of positron emission tomography (PET) in clinical practice, the potential risk of PET-associated radiation dose to patients needs to be minimized. However, with the reduction in the radiation dose, the resultant…

图像与视频处理 · 电气工程与系统科学 2021-02-01 Yu Gong , Hongming Shan , Yueyang Teng , Ning Tu , Ming Li , Guodong Liang , Ge Wang , Shanshan Wang

We tackle a challenging blind image denoising problem, in which only single distinct noisy images are available for training a denoiser, and no information about noise is known, except for it being zero-mean, additive, and independent of…

图像与视频处理 · 电气工程与系统科学 2021-07-06 Sungmin Cha , Taeeon Park , Byeongjoon Kim , Jongduk Baek , Taesup Moon

In coronary CT angiography, a series of CT images are taken at different levels of radiation dose during the examination. Although this reduces the total radiation dose, the image quality during the low-dose phases is significantly…

计算机视觉与模式识别 · 计算机科学 2019-03-06 Eunhee Kang , Hyun Jung Koo , Dong Hyun Yang , Joon Bum Seo , Jong Chul Ye

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…

图像与视频处理 · 电气工程与系统科学 2023-12-22 Madhuri Nagare , Gregery T. Buzzard , Charles A. Bouman

We present a novel conditional Generative Adversarial Network (cGAN) architecture that is capable of generating 3D Computed Tomography scans in voxels from noisy and/or pixelated approximations and with the potential to generate full…

Low Dose CT Denoising research aims to reduce the risks of radiation exposure to patients. Recently researchers have used deep learning to denoise low dose CT images with promising results. However, approaches that use mean-squared-error…

图像与视频处理 · 电气工程与系统科学 2024-09-05 Sepehr Ataei , Javad Alirezaie , Paul Babyn