Development and consideration on low-light-level real-time color imaging technology

Low-light-level (LLL) real-time color imaging technology plays an important role in military reconnaissance, scientific detection, security monitoring and assisted driving, and is one of the key technologies developed domestically and internationally. When the ambient light is insufficient, the imaging effect of the human eye is reduced. In order to enhance human eye recognition ability under low illumination and obtain imaging effects with real color, high resolution and high sensitivity, more and more teams are committed to researching LLL real-time color imaging technology. Firstly, the impact of human visual limitation and physical constraint on LLL real-time color imaging is analyzed in this paper. Then, the current research progress of LLL real-time color imaging technology is introduced. Finally, according to the future research direction, the problems and key methods that need to be further studied are proposed.