Counter examples for unmatched projector/backprojector in an iterative algorithm [0.03%]
关于迭代算法中投影算子和反演算子不匹配的反例
Gengsheng L Zeng
Gengsheng L Zeng
It is rather controversial whether it is justified to use an unmatched projector/backprojector pair in an iterative image reconstruction algorithm. One common concern of using an unmatched projector/backprojector pair is that the optimal so...
COVID-19 pneumonia: current evidence of chest imaging features, evolution and prognosis [0.03%]
新型冠状病毒肺炎胸部影像学表现、演变及预后相关证据的现状分析
Anna Rita Larici,Giuseppe Cicchetti,Riccardo Marano et al.
Anna Rita Larici et al.
COVID-19 pneumonia represents a global threatening disease, especially in severe cases. Chest imaging, with X-ray and high-resolution computed tomography (HRCT), plays an important role in the initial evaluation and follow-up of patients wi...
Quantitative analysis based on chest CT classifies common and severe patients with coronavirus disease 2019 pneumonia in Wuhan, China [0.03%]
基于胸部CT的定量分析可对中国武汉地区新型冠状病毒肺炎患者进行分级诊断
Chongtu Yang,Guijuan Cao,Fen Liu et al.
Chongtu Yang et al.
Objective: This study aimed to compare quantifiable radiologic findings and their dynamic change throughout the clinical course of common and severe coronavirus disease 2019 (COVID-19), and to provide valuable evidence fo...
The evolution of chest CT findings from admission to follow-up in 30 moderate to severe adult patients with COVID-19 pneumonia [0.03%]
30例成人中重度新冠肺炎患者从入院到随访的胸部CT影像演变特征分析
Yunfeng Zhou,Hao Ren,Shuo Wang et al.
Yunfeng Zhou et al.
Objective: To analyze the evolution of chest computed tomography (CT) findings from admission to follow-up in moderate to severe patients with coronavirus disease-19 (COVID-19) pneumonia. ...
Li Fan,Wenqing Le,Qin Zou et al.
Li Fan et al.
Purpose: To analyze the initial CT features of different clinical categories of COVID-19. Material and methods: A total of 86 patients ...
Radiology department preventive and control measures and work plan during COVID-19 epidemic-experience from Wuhan [0.03%]
新冠病毒疫情期间放射科预防及防护工作计划—武汉经验
Xi Long,Lijie Zhang,Osamah Alwalid et al.
Xi Long et al.
Since the outbreak of the coronavirus disease 2019 (COVID-19), it had rapidly spread to the whole world and seriously threatened the global health. Imaging examination plays an important role in the clinical diagnosis of this disease, which...
A smartphone-based online tool for prehospital self-triage of COVID-19 [0.03%]
一种基于智能手机的在线工具，可帮助新冠肺炎疑似患者进行远程自我分诊和筛查
Juan Yu,Han-Wen Zhang,Yuan-Kai Shao et al.
Juan Yu et al.
The COVID-19 epidemic has swept across China and spread to other countries. The rapid spreading of COVID-19 and panic combined with the lack of a hierarchical medical system in China have resulted in a huge number of hospital visiting which...
How to evaluate the value of chest CT in COVID-19: case reports and literature review [0.03%]
如何评估COVID-19的胸部CT价值：病例报告和文献回顾
Jun Fu,Pian-Pian Huang,Qing-Dong Yao et al.
Jun Fu et al.
The coronavirus disease 2019 (COVID-19) that occurred in Wuhan, Hubei Province, China, has been declared a public health emergency of international concern and a pandemic by the World Health Organization. The Chinese government has temporar...
Clinical and radiologic features of the first cured Coronavirus disease 2019 (COVID-19) patient in Guangzhou City, China [0.03%]
中国广州市首例治愈的新型冠状病毒疾病（COVID-19）患者的临床与影像学特征
Qing-Xin Gan,Guan-Nan Wang,Mei-Yu Li et al.
Qing-Xin Gan et al.
To determine changes in clinical and radiologic findings associated with Coronavirus disease 2019 (COVID-19) from diagnosis to recovery, we retrospectively reviewed the diagnosis and treatment records of the first patient cured of COVID-19 ...
Lung involvement in patients with coronavirus disease-19 (COVID-19): a retrospective study based on quantitative CT findings [0.03%]
基于定量CT表现的新型冠状病毒肺炎(COVID-19)患者肺部受累的回顾性研究
Nan Yu,Cong Shen,Yong Yu et al.
Nan Yu et al.
Purpose: To explore lung involvement in patients with coronavirus disease-19 (COVID-19) using quantitative computed tomography (QCT). Methods: ...