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J4  2010, Vol. 44 Issue (4): 639-644    DOI: 10.3785/j.issn.1008-973X.2010.04.003
潘华东, 谢斌, 刘济林
浙江大学 信息与通信工程研究所,浙江省综合信息网技术重点实验室,浙江 杭州 310027
Modeling and simulation for scannerless laser 3D imaging system
PAN Huadong, XIE Bin, LIU Jilin
Institute of Information and Communication Engineering, Zhejiang Provincial Key Laboratory of Information Network
Technology, Zhejiang University, Hangzhou 310027, China
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Present intensified CCD (ICCD) model which mainly for lowlight imaging system is not suitable for the 3D imaging system. Image intensifiers operate with low gain, different from the lowlight imaging system, and the gain nonlinearity has a great effect on results. An improved ICCD noise model was proposed, and a nonlinear gain model was used. As the light is cosine modulated and the gain of the image intensifiers changes over time, the model is modified as timediscrete. The system was simulated and analyzed quantitatively together with the illumination model and the objects 3D data. The results show that increasing CCD well capacity, reducing microchannel plate(MCP) gain and increasing light power, lead to increased SNR (signaltonoise ratio) and improve the measurement accuracy. Additionally, very narrow shutter, high light modulation depth and high suppression of ambient light should be implemented.

出版日期: 2010-05-14
:  TN958.8  


通讯作者: 刘济林,男,教授,博导.     E-mail:
作者简介: 潘华东(1980—),男,浙江金华人,博士生,从事三维成像、计算机视觉研究. Email:
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潘华东, 谢斌, 刘济林. 无扫描激光三维成像系统的建模与仿真[J]. J4, 2010, 44(4): 639-644.

BO Hua-Dong, XIE Bin, LIU Ji-Lin. Modeling and simulation for scannerless laser 3D imaging system. J4, 2010, 44(4): 639-644.


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