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Surface Coating of Hydrophobic Up. converting Nanoparticles in Homogenous Liquid Phase System and Application in Optical Detection
Zhang, Q. B.; X. G. Kong and C. Cheng
2016
发表期刊Chemical Journal of Chinese Universities-Chinese
卷号37期号:3
摘要In the course of studying the image quality assessment of photoelectric measurement equipment, the influence approach of the high frequency component of image spectrum to image quality subjective evaluation of the human eye and solving measures are analyzed. The clear image is processed by Butterworth low-pass filter in frequency domain. Then the influence of the high frequency part of image spectrum to the human eye subjective feeling is analyzed by filtering the image. The modulation transfer function (MTF) of defocus imaging system is measured by using the canted slit method, and the corresponding defocus blurred images are evaluated subjectively. Spectrum analysis and image evaluation of images acquired by the cameras with different pixel sizes are carried out. Experimental results indicate that the images have more high frequency component, richer details and higher clarity. Focusing exactly and capturing by camera with small pixel size are important measures to improve the image quality of the photoelectric measurement equipment. Other influencing factors and improving methods are proposed and the improving measures are put forward. 2016, Chinese Lasers Press. All right reserved.
文章类型期刊
收录类别SCI ; EI
语种英语
文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/57428
专题中科院长春光机所知识产出
推荐引用方式
GB/T 7714
Zhang, Q. B.,X. G. Kong and C. Cheng. Surface Coating of Hydrophobic Up. converting Nanoparticles in Homogenous Liquid Phase System and Application in Optical Detection[J]. Chemical Journal of Chinese Universities-Chinese,2016,37(3).
APA Zhang, Q. B.,&X. G. Kong and C. Cheng.(2016).Surface Coating of Hydrophobic Up. converting Nanoparticles in Homogenous Liquid Phase System and Application in Optical Detection.Chemical Journal of Chinese Universities-Chinese,37(3).
MLA Zhang, Q. B.,et al."Surface Coating of Hydrophobic Up. converting Nanoparticles in Homogenous Liquid Phase System and Application in Optical Detection".Chemical Journal of Chinese Universities-Chinese 37.3(2016).
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