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相关论文: Convolutional Neural Network to Restore Low-Dose D…

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This work tackles the issue of noise removal from images, focusing on the well-known DCT image denoising algorithm. The latter, stemming from signal processing, has been well studied over the years. Though very simple, it is still used in…

图像与视频处理 · 电气工程与系统科学 2022-07-13 Sébastien Herbreteau , Charles Kervrann

A deep learning approach to blind denoising of images without complete knowledge of the noise statistics is considered. We propose DN-ResNet, which is a deep convolutional neural network (CNN) consisting of several residual blocks…

图像与视频处理 · 电气工程与系统科学 2019-04-12 Haoyu Ren , Mostafa El-Khamy , Jungwon Lee

Deep Neural Network (DNN)-based image reconstruction, despite many successes, often exhibits uneven fidelity between high and low spatial frequency bands. In this paper we propose the Learning Synthesis by DNN (LS-DNN) approach where two…

计算机视觉与模式识别 · 计算机科学 2018-11-21 Mo Deng , Shuai Li , George Barbastathis

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…

图像与视频处理 · 电气工程与系统科学 2024-05-24 Feng Wang , Renfang Wang , Hong Qiu

Reducing the radiation exposure for patients in Total-body CT scans has attracted extensive attention in the medical imaging community. Given the fact that low radiation dose may result in increased noise and artifacts, which greatly…

图像与视频处理 · 电气工程与系统科学 2023-07-19 Minghan Fu , Yanhua Duan , Zhaoping Cheng , Wenjian Qin , Ying Wang , Dong Liang , Zhanli Hu

Low-dose computed tomography (LDCT) is critical for minimizing radiation exposure, but it often leads to increased noise and reduced image quality. Traditional denoising methods, such as iterative optimization or supervised learning, often…

计算机视觉与模式识别 · 计算机科学 2025-09-23 Debopom Sutradhar , Ripon Kumar Debnath , Mohaimenul Azam Khan Raiaan , Yan Zhang , Reem E. Mohamed , Sami Azam

Digital breast tomosynthesis is rapidly replacing digital mammography as the basic x-ray technique for evaluation of the breasts. However, the sparse sampling and limited angular range gives rise to different artifacts, which manufacturers…

This paper applies the recent fast iterative neural network framework, Momentum-Net, using appropriate models to low-dose X-ray computed tomography (LDCT) image reconstruction. At each layer of the proposed Momentum-Net, the model-based…

图像与视频处理 · 电气工程与系统科学 2020-09-10 Siqi Ye , Yong Long , Il Yong Chun

Convolutional Neural Network (CNN)-based filters have achieved significant performance in video artifacts reduction. However, the high complexity of existing methods makes it difficult to be applied in real usage. In this paper, a CNN-based…

图像与视频处理 · 电气工程与系统科学 2020-09-08 Chao Liu , Heming Sun , Jiro Katto , Xiaoyang Zeng , Yibo Fan

With pervasive applications of medical imaging in health-care, biomedical image segmentation plays a central role in quantitative analysis, clinical diagno- sis, and medical intervention. Since manual anno- tation su ers limited…

计算机视觉与模式识别 · 计算机科学 2018-03-14 Xiaowei Xu , Qing Lu , Yu Hu , Lin Yang , Sharon Hu , Danny Chen , Yiyu Shi

Purpose: To develop and evaluate the accuracy of a multi-view deep learning approach to the analysis of high-resolution synthetic mammograms from digital breast tomosynthesis screening cases, and to assess the effect on accuracy of image…

图像与视频处理 · 电气工程与系统科学 2020-09-29 Saeed Seyyedi , Margaret J. Wong , Debra M. Ikeda , Curtis P. Langlotz

In this paper, we present a novel method for tomographic image reconstruction in SPECT imaging with a low number of projections. Deep convolutional neural networks (CNN) are employed in the new reconstruction method. Projection data from…

人工智能 · 计算机科学 2021-08-10 Charalambos Chrysostomou , Loizos Koutsantonis , Christos Lemesios , Costas N. Papanicolas

Deep neural networks (DNNs) have shown very promising results for various image restoration (IR) tasks. However, the design of network architectures remains a major challenging for achieving further improvements. While most existing…

计算机视觉与模式识别 · 计算机科学 2020-10-28 Weisheng Dong , Peiyao Wang , Wotao Yin , Guangming Shi , Fangfang Wu , Xiaotong Lu

Low-light image enhancement is a classical computer vision problem aiming to recover normal-exposure images from low-light images. However, convolutional neural networks commonly used in this field are good at sampling low-frequency local…

计算机视觉与模式识别 · 计算机科学 2022-09-19 Yunliang Zhuang , Zhuoran Zheng , Chen Lyu

We propose a new method, Patch-CNN, for diffusion tensor (DT) estimation from only six-direction diffusion weighted images (DWI). Deep learning-based methods have been recently proposed for dMRI parameter estimation, using either voxel-wise…

计算机视觉与模式识别 · 计算机科学 2023-07-06 Tobias Goodwin-Allcock , Ting Gong , Robert Gray , Parashkev Nachev , Hui Zhang

Computed tomography from a low radiation dose (LDCT) is challenging due to high noise in the projection data. Popular approaches for LDCT image reconstruction are two-stage methods, typically consisting of the filtered backprojection (FBP)…

图像与视频处理 · 电气工程与系统科学 2025-03-17 Tim Selig , Thomas März , Martin Storath , Andreas Weinmann

In recent years, diverging-wave (DW) ultrasound imaging has become a very promising methodology for cardiovascular imaging due to its high temporal resolution. However, if they are limited in number, DW transmits provide lower image quality…

图像与视频处理 · 电气工程与系统科学 2020-03-25 Jingfeng Lu , Fabien Millioz , Damien Garcia , Sebastien Salles , Wanyu Liu , Denis Friboulet

Long lasting efforts have been made to reduce radiation dose and thus the potential radiation risk to the patient for computed tomography acquisitions without severe deterioration of image quality. To this end, numerous reconstruction and…

医学物理 · 物理学 2024-10-07 Elias Eulig , Björn Ommer , Marc Kachelrieß

Deep neural networks (DNNs) can be made hardware-efficient by reducing the numerical precision of the weights and activations of the network and by improving the network's resilience to noise. However, this gain in efficiency often comes at…

Deep neural networks have been applied to improve the image quality of fluorescence microscopy imaging. Previous methods are based on convolutional neural networks (CNNs) which generally require more time-consuming training of separate…