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作 者:陈一超[1] 胡文刚[1] 武东生[1] 何永强[1] 李晓明[1]
机构地区:[1]军械工程学院电子与光学工程系,河北石家庄050003
出 处:《红外与激光工程》2015年第12期3837-3842,共6页Infrared and Laser Engineering
基 金:军械工程学院基础研究基金(YJJXM12026)
摘 要:为了得到夜晚目标的真实色彩信息,设计了三波段真彩色夜视系统,并阐述了其工作原理。根据满月条件下月光的光谱特性,结合典型目标的光谱反射特性和S25^+光电阴极的光谱响应特性,采用对比度反转最大原则,综合考虑人眼的光谱光视效率特性,提出了三波段真彩色夜视技术的光谱分割方法。依据光谱匹配的理论计算结果制备了滤光片,并对滤光片的光谱透过率进行了测量。利用制备的滤光片进行了实验并提出了一种三波段夜视图像彩色融合方法,实验表明:提出的光谱分割方法能够较好地还原目标的真实色彩。True-color night vision system was designed to get true color of the t^rgets at night. The theory of the system was analyzed. According to charcteristics of full moon light spectrum, combining the spectral reflected characteristics of typical target and spectrum response soope of S25^+ using the principle of cintrast reversion and considering characteristics of visual of human's eyes,the :;pectrum intersected idea of triple-spectrum true-color night vision was presented in the end. Accordiag to the spectrum intersected idea, filters were designed and then their transmittance were measured. Exl:.eriment was carried out by the filters and a method to fuse triple-spectrum low-level light images was presented. The result shows that the proposed method could restore the true color of target.
分 类 号:TN223[电子电信—物理电子学]
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