EMCCD真彩色成像方法與驗(yàn)證
[Abstract]:In view of the large amount of near-infrared radiation contained in night sky light, the EMCCD true color imaging method based on full-transparent red, green and blue filters in near infrared band is studied theoretically and experimentally in this paper. The energy of night sky light in the near infrared band is absorbed by EMCCD. The red, green and blue components of high brightness and signal-to-noise ratio (SNR) are obtained by combining the electron multiplication function of EMCCD. Finally, the true color EMCCD images are obtained by color fusion and other image processing methods. In this paper, the color simulation of true color imaging under the conditions of full month, half month, 1 / 4 month and clear starlight illumination is carried out. On this basis, the color filter is made, and the spectral reflectivity of typical samples is tested. The true color EMCCD experimental device was built and the field test was carried out. The results show that the true color EMCCD images with rich color, good spatial depth and high signal-to-noise ratio are obtained by this method.
【作者單位】: 北京理工大學(xué)光電學(xué)院光電成像技術(shù)與系統(tǒng)教育部重點(diǎn)實(shí)驗(yàn)室;華東光電集成器件研究所;中國(guó)兵器科學(xué)研究院;
【基金】:國(guó)家自然科學(xué)基金項(xiàng)目(61471044)
【分類號(hào)】:TP391.41
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