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科研机构
高能物理研究所 [15]
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期刊论文 [13]
会议论文 [1]
学位论文 [1]
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2021 [1]
2018 [6]
2015 [4]
2011 [1]
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硕士学位论文—基于深度学习的三维CT图像分割研究
学位论文
北京: 中国科学院大学, 2021
作者:
刘芯言
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浏览/下载:45/0
  |  
提交时间:2022/01/07
A New Set of Parameters of High-Mass X-ray Binaries Found with their Cyclotron Lines
期刊论文
arXiv e-prints, 2018
作者:
Zhang, Chengmin
;
Taani, Ali
;
Chaty, Sylvain
;
Karino, Shigeyuki
;
Song, Liming
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浏览/下载:66/0
  |  
提交时间:2019/07/12
Astrophysics - High Energy Astrophysical Phenomena
Abstract: We have derived new physical quantities for several High-Mass X-ray Binaries (HMXBs) with supergiant (SG) companions through their cyclotron lines. The parameters are: the terminal velocity of the wind, the mass loss rate of the donor, the effective temperature and the magnetic fields. These parameters influence significantly the improvement of the model of accretion. In spite of the variety of their observational properties, the corresponding magnetic field is around B ~ 10^12 G. This result can be constrained by the effects on stellar evolution. In addition, we have performed a segmentation in the parameter space of donors intended for several SG-HMXB listed in our sample set. The parameter space can be categorized into five regimes depending on the possibility of disk formation associated with accretion from the stellar wind. This can give a quantitative clarification of the observed variability and the properties of these objects. We show that, when these systems come into the direct accretion region, systems with corresponding parameters can emit X-rays.
First beam tests of prototype silicon modules for the CMS High Granularity Endcap Calorimeter
期刊论文
JOURNAL OF INSTRUMENTATION, 2018, 卷号: 13, 页码: P10023
作者:
Virdee, T.
;
Akchurin, N.
;
Apreysan, A.
;
Banerjee, S.
;
Barney, D.
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  |  
浏览/下载:33/0
  |  
提交时间:2019/10/11
Calorimeters
Performance of High Energy Physics Detectors
Si microstrip and pad detectors
Large detector systems for particle and astroparticle physics
A Joint Reconstruction and Segmentation Method for Limited-Angle X-Ray Tomography
期刊论文
IEEE ACCESS, 2018, 卷号: 6, 页码: 7780-7791
作者:
Wei, L
;
Wei ZH(魏增辉)
;
Liu BD(刘宝东)
;
Wei, ZH
;
Liu, BD
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  |  
浏览/下载:24/0
  |  
提交时间:2019/09/24
Limited-angle
Mumford-Shah
PCMS
discrete tomography
prior knowledge
A Reweighted Joint Spatial-Radon Domain CT Image Reconstruction Model for Metal Artifact Reduction
期刊论文
SIAM JOURNAL ON IMAGING SCIENCES, 2018, 卷号: 11, 期号: 1, 页码: 707-733
作者:
Zhang, HM
;
Liu, BD
;
Liu BD(刘宝东)
;
Dong, B
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  |  
浏览/下载:20/0
  |  
提交时间:2019/09/24
computerized tomography
metal artifact reduction
tight wavelet frame
joint spatial and radon domain reconstruction
A joint reconstruction and segmentation method for limited-angle x-ray tomography
期刊论文
Ieee access, 2018, 卷号: 6, 页码: 7780-7791
作者:
Wei, Zenghui
;
Liu, Baodong
;
Dong, Bin
;
Wei, Long
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  |  
浏览/下载:47/0
  |  
提交时间:2019/04/23
Limited-angle
Mumford-shah
Pcms
Discrete tomography
Prior knowledge
A reweighted joint spatial-radon domain ct image reconstruction model for metal artifact reduction
期刊论文
Siam journal on imaging sciences, 2018, 卷号: 11, 期号: 1, 页码: 707-733
作者:
Zhang, Haimiao
;
Dong, Bin
;
Liu, Baodong
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  |  
浏览/下载:36/0
  |  
提交时间:2019/04/23
Computerized tomography
Metal artifact reduction
Tight wavelet frame
Joint spatial and radon domain reconstruction
3D imaging of a rice pollen grain using transmission X-ray microscopy
期刊论文
JOURNAL OF SYNCHROTRON RADIATION, 2015, 卷号: 22, 页码: 1091-1095
作者:
Wang, SX
;
Wang, DJ
;
Wu, Q
;
Gao, K
;
Wang, ZL
收藏
  |  
浏览/下载:10/0
  |  
提交时间:2016/04/18
transmission X-ray microscopy
nano-tomography
rice pollen grain
cellular microstructure
Attenuation correction with region growing method used in the positron emission mammography imaging system
期刊论文
CHINESE PHYSICS C, 2015, 卷号: 39, 期号: 10, 页码: 108202
作者:
Gu XY(顾笑悦)
;
Li L(李琳)
;
Yin PF(尹鹏飞)
;
Yuan MK(贠明凯)
;
Chai P(柴培)
收藏
  |  
浏览/下载:39/0
  |  
提交时间:2016/04/18
breast PET
attenuation correction
region growing
image segmentation
A porosity calculation method based on CT images and its application
期刊论文
JOURNAL OF HYDRAULIC ENGINEERING, 2015, 卷号: 46, 期号: 46, 页码: 357-365
作者:
Wang Y(王宇)
;
Wang
;
Yu
;
Que JM(阙介民)
;
Li
收藏
  |  
浏览/下载:41/0
  |  
提交时间:2016/04/18
Conventional methods
CT Image
Deformation and failures
Gray-level
Porosity calculations
Segmentation methods
Threshold segmentation
X-ray computed tomography
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