三波段微光彩色夜视方法研究

陈一超, 胡文刚, 武东生, 何永强, 张东晓, 李晓明

陈一超, 胡文刚, 武东生, 何永强, 张东晓, 李晓明. 三波段微光彩色夜视方法研究[J]. 应用光学, 2015, 36(3): 430-434. DOI: 10.5768/JAO201536.0304001
引用本文: 陈一超, 胡文刚, 武东生, 何永强, 张东晓, 李晓明. 三波段微光彩色夜视方法研究[J]. 应用光学, 2015, 36(3): 430-434. DOI: 10.5768/JAO201536.0304001
shu
Chen Yi-chao, Hu Wen-gang, Wu Dong-sheng, He Yong-qiang, Zhang Dong-xiao, Li Xiao-ming. Triple-band low light level color night vision technology[J]. Journal of Applied Optics, 2015, 36(3): 430-434. DOI: 10.5768/JAO201536.0304001
Citation: Chen Yi-chao, Hu Wen-gang, Wu Dong-sheng, He Yong-qiang, Zhang Dong-xiao, Li Xiao-ming. Triple-band low light level color night vision technology[J]. Journal of Applied Optics, 2015, 36(3): 430-434. DOI: 10.5768/JAO201536.0304001
shu

三波段微光彩色夜视方法研究

  • 军械工程学院 电子与光学工程系,河北省 石家庄 050003

基金项目: 

军械工程学院基础研究基金（YJJXM12026）

详细信息
    通讯作者:

    陈一超（1991-），男，安徽淮南人，硕士研究生，主要从事光电对抗与信息处理工作。Email:664168246@qq.com

  • 中图分类号: TN223; O439

Triple-band low light level color night vision technology

  • Department of Electronic and Optical Engineering, Ordnance Engineering College, Shijiazhuang 050003, China

摘要

    摘要
  • 摘要: 为克服夜视设备产生单色图像的缺陷，得到更符合人眼视觉的彩色夜视图像。根据RGB理论模型以及滤光片的分谱作用原理，基于第二代像增强器设计出一种彩色夜视方案，通过测量滤光片的光谱透过率，得出滤光片对像增强器信噪比的影响；提出利用全波图像的四帧融合解决像增强器信噪比低的问题，并进行实验验证。实验结果显示室内和室外情况下四帧融合彩色图像熵和方差分别达到6.8、35.39及7.0、45.07，均优于三帧融合时对应值，说明提出的四帧融合方法能够克服信噪比降低的缺陷，得到清晰且信息量丰富的夜视图像。
    Abstract: In order to overcome the defect that low-night vision device generates monochrome images and to get visual color images more consistent with human eyes, according to the red-green-blue (RGB) color model and spectral separation principle of filters, a system of color night vision based on the secondgeneration image intensifier was designed. Through measuring the spectral transmittance of filter, the impact of filter on the signal to noise ratio(SNR) of image intensifier was educed. According to the low SNR problem, a four-frame fused method of full-wave image was proposed and verified by experiments .The experimental results show that the entropy and variance of chamber image are 6.8 and 35.39, respectively, and that of outdoor image are 7.0, 45.07, respectively, which are all better than the corresponding values of three-frame fused image. The result proves that the method presented is able to overcome the defect of low SNR, and get clearer color night vision image with more details.
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