Rapid detection of toxic and hazardous substances on-site and instant data sharing and feedback are becoming more and more important to protect ecological environment and ensure food safety.With the popularity of smartphones and the increasing advancement of their applications,the digital image colorimetriy(DIC)based on smartphone has developed rapidly.This paper reviewed the basic principles of digital picture colorimetry,image acquisition equipment and its sensor type,image color model,chromaticity processing software,application(APP)for processing analysis data and data online sharing,and i...
