介绍了光子成像计数技术的几种主要类型,并详细阐述了其中几种发展迅速且在该领域应用最为广泛的技术,对这些技术目前的发展现状和最新进展也作了详尽的介绍。 Several main types of photon imaging counting techniques are introduced. Several of these technologies, which are developing rapidly and are widely used in this field, are described in detail. The current development status and latest progress of these technologies are also introduced in detail.