This title captures the wide application of state-of-the-art radiation imaging technologies and their integration with emerging technologies like Robotics and Artificial Intelligence to help deliver security solutions in various organisations. It also highlights how innovation can be harnessed to help ensure the safety and security of the general public, especially in the face of the COVID-19 pandemic.Composed of articles and speeches by Prof. Zhiqiang Chen, the President of the Chinese Society for Stereology, this title can help researchers in radiation imaging and government agencies, along with security professionals and industry practitioners. Readers can get a glimpse of how the presented technologies can streamline security operations and facilitate the free flow of travel and trade.Prof Chen's other appointments include the Vice-President of the China Isotope & Radiation Association, and the Chief Science Communication Expert in national public security inspection and non-destructive testing of the China Association for Science and Technology.