Smartphone based devices (SBDs) have the potential to revolutionize food safety control by empowering citizens to perform screening tests. To achieve this, it is of paramount importance to understand current research efforts and identify key technology gaps. Therefore, a systematic review of optical SBDs in the food safety sector was performed. An overview of reviewed SBDs is given focusing on performance characteristics as well as image analysis procedures. The state-of-the-art on commercially available SBDs is also provided. This analysis revealed several important technology gaps, the most prominent of which are: (i) the need to reach a consensus regarding optimal image analysis, (ii) the need to assess the effect of measurement variation caused by using different smartphones and (iii) the need to standardize validation procedures to obtain robust data. Addressing these issues will drive the development of SBDs and potentially unlock their massive potential for citizen-based food control.

基于智能手机的设备（SBD）通过赋予公民执行筛查测试的能力，可以彻底改变食品安全控制。为了实现这一点，了解当前的研究工作并确定关键技术差距至关重要。因此，对食品安全领域的光学SBD进行了系统的审查。概述了已审查的SBD，重点是性能特征以及图像分析程序。还提供了市售SBD的最新技术。这项分析揭示了几个重要的技术差距，其中最突出的是：（i）需要就最佳图像分析达成共识，（ii）需要评估因使用不同的智能手机而引起的测量变化的影响，以及（iii）需要标准化验证程序以获得可靠的数据。解决这些问题将推动SBD的发展，并有可能释放其在基于居民的食品控制中的巨大潜力。