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Video frame rate up-conversion detection technology is a kind of video forensics technology.In order to systematically elaborate the research progress in the field of video up-conversion detection and guide the follow-up research of video up-conversion detection algorithms,the main algorithms of up-conversion detection technology are summarized.First of all,elaborate the relevant research history and development process and summarize the up-conversion concept and technical framework.According to the purpose of the detection technology,classify and explain the existing algorithms.Finally,the main research teams in the field and their research results were summarized.From the aspects of algorithm framework and test results,compare the existing detection techniques and propose two prospects.Video frame rate up-conversion is an important part of video post-processing technology,and still need further research.