1. An automated vision inspection system for detecting whether a cushion of a side curtain airbag assembly system is in a properly installed or twisted state, the system comprising: a plurality of markings arrayed in a along a longitudinal extent of one of a cushion or a sock covering the cushion of a side cushion airbag assembly, each marking including at least one indicium defined by a plurality of polygonal shaped pixels; a detector configured to capture digital images of the at least one indicium of the plurality of markings; and a controller configured to process the digital images captured by the detector and determine presence of the at least one indicium of the plurality of markings to access an installed condition of the cushion or sock by comparison of the digital images to master images.