Geometric distortion correction for streak camera imaging
Geometric distortion correction for streak camera imaging
复制标题
条纹相机成像的几何畸变校正
DOI:
10.1117/1.jei.28.3.033023
复制
发表时间:
2019-06
影响因子:
1.1
通讯作者:
Guo Baoping
中科院分区:
文献类型:
--
作者:
Liu Ailin;Zhang Jinjin;Guo Baoping
Abstract. As streak tube imaging is a concentric spherical electrostatic focusing system, geometric distortion is caused by the relative change in radial magnification. This reduces the spatial resolution of imaging. The physical principle of changing the radial magnification of an electronic optical imaging system is analyzed to correct the geometric distortion of the imaging system and to improve spatial resolution. Distortion is corrected using the calibration model of a spherical optical system. The contrast of a reticle intensity image is compared before and after correction, and the ultimate resolution is calculated. Contrast is increased by ∼4 % , and the ultimate resolution is increased by ∼2 lp / mm after correction.
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DOI:
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DOI:
--
发表时间:
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期刊:
--
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