Research on test of image intensifier s brightness gain with CCD;
CCD用于像增强器亮度增益测试的研究
In view of the incompleteness of the condition in testing image intensifier s output signal-to-noise ratio, the brightness gain s effect on output signal-to-noise ratio is expounded.
针对传统上像增强器输出信噪比测试条件的不完备性,阐述了亮度增益对输出信噪比的影响,在不同增益条件下利用设计的像增强器信噪比测试仪对输出信噪比进行了测试,验证了在输出信噪比测试中亮度增益标定的必要性。
Then,based on the correlation characteristics of three components in RGB color spaces,the RGB three components of the color image are enhanced at the same proportion by brightness gain curved surface to ensure the hue to be a constance.
然后,根据RGB颜色空间三分量的颜色相关性特点,获取亮度增益曲面并对彩色图像的RGB三分量进行同比增强得到最终的彩色图像。
The luminance gain has a great affect on the visual range of LLL night vision systems.
亮度增益对夜视仪的视距有很重要的影响。
Based on the requirement of the measurement of these two factors, the computer simulation and structure design of luminance gain and equivalent background input test set for LLL image intensifier are described in this paper.
亮度增益和等效背景照度是衡量像增强器性能的两个重要参数,针对这两个参数的测试要求,本文阐述像增强器亮度增益和等效背景测试仪的计算机模拟与结构设计。
Based on the requirement of the measurement of these two factors, the article describes the measuring principle and structure design of luminance gain and equivalent background input test set for LLL Image Intensifier.
亮度增益和等效背景照度是衡量像增强器性能的两个重要参数 ,针对这两个参数的测试要求 ,阐述像增强器亮度增益和等效背景的测试原理和测试仪的结构设计。