Video is an important carrier for the display and dissemination of intangible cultural heritage in the era of smart media.Refining the semantic information of intangible cultural heritage videos and building the relationship between them is conducive to the digital deve...MORE Video is an important carrier for the display and dissemination of intangible cultural heritage in the era of smart media.Refining the semantic information of intangible cultural heritage videos and building the relationship between them is conducive to the digital development of intangible cultural heritage.In this pape...