نتایج جستجو برای: silver pinhole

تعداد نتایج: 47177  

Journal: :Proceedings of the National Academy of Sciences 1927

Journal: :Devices and Methods of Measurements 2016

Journal: :Proceedings of the National Academy of Sciences 1927

Journal: :Physics in Medicine and Biology 2016

Journal: :The Review of scientific instruments 2015
Magnus Haw Paul Bellan

A fast (100 MHz) 1D coded aperture visible light camera has been developed as a prototype for imaging plasma experiments in the EUV/X-ray bands. The system uses printed patterns on transparency sheets as the masked aperture and an 80 channel photodiode array (9 V reverse bias) as the detector. In the low signal limit, the system has demonstrated 40-fold increase in throughput and a signal-to-no...

2006
Kang Wei Fay Huang Reinhard Klette Shou Kang Wei

Rotating line cameras allow to modify camera parameters for adjusting numbers of potential spatial samples within a defined region of interest. The report studies relations between camera parameters and scene parameters, and derives a general approach for designing stereo panoramic cameras. The report also provides a list of problems for further research Acknowledgment. The authors acknowledge ...

1995
Zhongfei Zhang Allen R. Hanson

Previous work shows that based on ve non-coplanar correspondences of two uncalibrated cameras , 3D reconstruction can be achieved under projec-tive models, or based on four non-coplanar correspondences of two uncalibrated cameras, 3D reconstruction can be achieved under aane models, with three unknown parameters. In this paper, we show that based on four coplanar correspondences of two external...

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