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Image Enhancement Technology in Pavement Disease Detection System
会议论文
Changchun, China, 2022-05-27
作者:
Li, Xuefeng
;
Zhou, Zuofeng
;
Wu, Qingquan
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  |  
浏览/下载:8/0
  |  
提交时间:2022/09/28
pavement diease
retinex
image enhancement
Eyebox uniformity optimization over the full field of view for optical waveguide displays based on linked list processing
期刊论文
Optics Express, 2022, 卷号: 30, 期号: 21, 页码: 38139-38151
作者:
S. F. Yan
;
E. Q. Zhang
;
J. D. Guo
;
P. Jia
;
K. Yang and L. S. Kong
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  |  
浏览/下载:0/0
  |  
提交时间:2023/06/14
An improved method for 3D reconstruction based on uniform point drift registration estimation
会议论文
Beijing, China, 2019-10-26
作者:
Zhang, Fan
;
Wang, Xin
;
Hu, Chao
;
Qu, YouShan
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  |  
浏览/下载:6/0
  |  
提交时间:2020/04/23
3D Reconstruction
Uniform Point Drift
Lidar
Binocular Stereo Vision
Vehicular headlight
专利
专利号: WO2018216576A1, 申请日期: 2018-11-29, 公开日期: 2018-11-29
作者:
KOGURE, SHINYA
;
OWADA, RYOTARO
;
SEKO, TOSHIHIRO
;
SUGIYAMA, TAKASHI
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  |  
浏览/下载:13/0
  |  
提交时间:2019/12/30
The illuminance and temperature distribution degradation of high power GaN LED caused by detachment of multilayer electrode
期刊论文
OPTICAL AND QUANTUM ELECTRONICS, 2018, 卷号: 50
作者:
He, Piaopiao[1]
;
Zhou, JiPeng[2]
;
Yin, Luqiao[3]
;
Zhang, Jianhua[4]
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  |  
浏览/下载:9/0
  |  
提交时间:2019/04/22
HP-LED
GaN
Degradation
Multilayer electrode
The degradation mechanism of GaN HP-LED under accelerated aging was analyzed by illuminance and temperature distribution
期刊论文
MOLECULAR CRYSTALS AND LIQUID CRYSTALS, 2017, 卷号: 651, 页码: 149-154
作者:
Yin, Luqiao[1]
;
He, Piaopiao[2]
;
Nan, Tingting[3]
;
Zhang, Jianhua[4]
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  |  
浏览/下载:3/0
  |  
提交时间:2019/04/24
Aging
illuminance distribution
LED
light emitting diode
reliability
temperature distribution
Light optical system design with wide spectral band, large field of view for deep space exploration
期刊论文
Guangzi Xuebao/Acta Photonica Sinica, 2015, 卷号: 44, 期号: 1
作者:
Meng, Q.-Y.
;
J.-H. Dong
;
H.-F. Qu
;
W. Wang and Z.-R. Cao
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浏览/下载:12/0
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提交时间:2016/08/24
Illumination unit, projection display unit, and direct view display unit
专利
专利号: US20120249621A1, 申请日期: 2012-10-04, 公开日期: 2012-10-04
作者:
MIURA, KOJI
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  |  
浏览/下载:11/0
  |  
提交时间:2019/12/31
自由曲面光学系统设计中目标面照度分布的优化 Optimization of Illuminance Distribution of Objective Plane in the Freeform Optical System Design
期刊论文
2011, 卷号: 22, 页码: 82-87
作者:
赖伟[1]
;
陈伟民[1]
;
刘显明[1]
;
雷小华[1]
;
胡顺仁[1]
收藏
  |  
浏览/下载:1/0
  |  
提交时间:2019/11/28
LED optical engine based on rectangular CPC for micro-projection display (EI CONFERENCE)
会议论文
4th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, November 19, 2008 - November 21, 2008, Chengdu, China
Wang S.-Y.
;
Sun W.-J.
;
Bu W.-B.
;
Meng Z.
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浏览/下载:9/0
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提交时间:2013/03/25
With applications in digital display
consumer electronics
medicine
automotive lighting
traffic signals
and general illumination
the light-emitting diode (LED) is the world's most efficient light source being mass produced today[1]. However
high cost is the main factor restricting widespread application of LED lighting
and the packaging is the most expensive aspect of LED products. Light emitting diodes (LED) are regarded as the most important light sources in solid-state lighting for their advantages in energy efficiency
long life
vivid colors
high reliability
environmental protection
safety and multiple applications. However
application of LEDs in projection display exist many questions such as low illuminance uniformity and low energy efficiency by reason of luminescence distribution and constructure specificity for LED
the study on application of LED in the micro-projection display and projection display is reported[2-8]. Considering the question mensioned above the rectangular CPC(Compound Parabolic Concentrator) system with three-color LED is applied in the projection display. 2009 SPIE.
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