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Chinese Academy of Sciences Institutional Repositories Grid
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CAS IR Grid
机构
长春光学精密机械与物... [2]
古脊椎动物与古人类研... [2]
中国科学院大学 [1]
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OAI收割 [4]
iSwitch采集 [1]
内容类型
期刊论文 [3]
会议论文 [2]
发表日期
2016 [1]
2014 [1]
2009 [1]
2008 [2]
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Investigating the Tool Marks on Oracle Bones Inscriptions from the Yinxu Site (ca., 1319-1046 BC), Henan Province, China
期刊论文
OAI收割
MICROSCOPY RESEARCH AND TECHNIQUE, 2016, 卷号: 79, 期号: 9, 页码: 827-832
作者:
Zhao, Xiaolong
;
Tang, Jigen
;
Gu, Zhou
;
Shi, Jilong
;
Yang, Yimin
  |  
收藏
  |  
浏览/下载:37/0
  |  
提交时间:2016/12/06
Extended Depth Of Focus (Edf)
Oracle Bone Inscriptions
Tool Marks
Yinxu Site (Ca
1319-1046 Bc)
Investigating the tool marks of stone reliefs from the Mausoleum of Cao Cao (AD155-AD220) in China
期刊论文
OAI收割
JOURNAL OF ARCHAEOLOGICAL SCIENCE, 2014, 卷号: 43, 期号: 0, 页码: 31-37
作者:
Gu, Zhou
;
Pan, Weibin
;
Song, Guoding
;
Qiu, Zhenwei
;
Yang, Yimin
收藏
  |  
浏览/下载:66/0
  |  
提交时间:2014/12/12
Stone Reliefs
Digital Microscope
Tool Marks Analysis
3d Reconstruction
Extended Depth Of Focus (Edf)
Extended depth of focus image for phytolith analysis
期刊论文
iSwitch采集
Journal of archaeological science, 2009, 卷号: 36, 期号: 10, 页码: 2253-2257
作者:
Wu, Yan
;
Wang, Changsui
收藏
  |  
浏览/下载:40/0
  |  
提交时间:2019/05/10
Archaeology
Phytolith
Extended depth of focus
Image analysis
The effect on tolerance distributing of an off-axis three mirror anastigmatic optical system with wavefront coding technology (EI CONFERENCE)
会议论文
OAI收割
Optical System Alignment and Tolerancing II, August 10, 2008 - August 11, 2008, San Diego, CA, United states
作者:
Yan F.
;
Zhang X.-J.
;
Yan F.
收藏
  |  
浏览/下载:46/0
  |  
提交时间:2013/03/25
The wavefront coding technology is known as a system-level technology which can extend the depth of focus of optical system by innovative optical design and image restoration. This technology can control misfocus related aberrations including misfocus
astigmatism
and Petzval curvature
temperature-related misfocus in digital imaging systems. It can also help optical system tolerate more residual error in optical manufacturing and alignment besides misfocus. The brief introduction of wavefront coding technology and the wavefront coded TMA system under research is presented respectively in part 1 and part 2. The "MTF similarity" is defined to describe the relationship among MTF at different position or different fields in the third part. It is also shown in this part that the MTF similarity of wavefront coded system is much higher than the normal system within a large range. In part 4 comparison between the origin system and the new system with wavefront coding technology is provided after multiple errors are introduced
from which it can be observed that the system with wavefront coding technology can tolerate much bigger error than origin system. The error tolerance is re-distributed according to a new criterion based on MTF similarity. If the MTF similarity is less than a certain value
it can be regarded that the system can tolerate the residual error. The new error tolerance is displayed and it is shown that the wavefront coding technology can also loosen the error distributing besides extended the depth of focus.
The research for EO imaging system simulation (EI CONFERENCE)
会议论文
OAI收割
International Symposium on Photoelectronic Detection and Imaging, ISPDI 2007: Optoelectronic System Design, Manufacturing, and Testings, September 9, 2007 - September 12, 2007, Beijing, China
作者:
Wang L.-J.
;
Zhang X.
;
Zhang X.
;
Zhang X.
;
Zhang J.-P.
收藏
  |  
浏览/下载:35/0
  |  
提交时间:2013/03/25
Electric-Optical (EO) imaging systems are modern systems
especially the one consists of aspheric optics and image processing called wavefront coding system. The design concept of this kind system is totally different from the traditional image system. The trade-off between the complexity of the image deconvolution and the depth of focus extended should be considered. So we establish a simulation model consisting of optical optimization design
system signal-to-noise ratio analysis and recovered image evaluation. The data can be exchanged among them. This simulation tools will be very useful in system design process.