The embodiment of the invention provides a
user generated content identification method and device,
electronic equipment and a storage medium. The method comprises the following steps: acquiring a multi-
modal feature of a target work to be identified; based on the multi-
modal features of the target works, a candidate work set with the similarity meeting a preset condition is retrieved from a pre-constructed multi-
modal feature
library, the multi-modal feature
library comprises multi-modal features of historical works, the works comprise images containing
user generated content, and the multi-modal features comprise fusion of visual features and semantic features of the works; screening out a reference work with a preset interaction behavior from the candidate work set; obtaining a difference degree
influence factor between the target work and the reference work; and determining the originality of the target work based on the similarity and difference influence factors of the target work and the reference work. According to the UGC
plagiarism detection method, the multi-modal vector
database of image and decal semantic fusion is constructed, and multiple difference influence factors are introduced for comprehensive judgment, so that the accuracy and the
processing efficiency of UGC
plagiarism detection are remarkably improved, and the problem of missing detection of a traditional method in a light false change and local shielding scene is solved.