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METHODS, SYSTEMS, AND MEDIA FOR DETECTING TWO-DIMENSIONAL VIDEOS PLACED ON A SPHERE IN ABUSIVE SPHERICAL VIDEO CONTENT BY TILING THE SPHERE
METHODS, SYSTEMS, AND MEDIA FOR DETECTING TWO-DIMENSIONAL VIDEOS PLACED ON A SPHERE IN ABUSIVE SPHERICAL VIDEO CONTENT BY TILING THE SPHERE
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机译:通过平铺球体来检测放置在球面视频中的二维视频的方法,系统和媒体
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摘要
Methods, systems, and media for analyzing spherical video content are provided. More particularly, methods, systems, and media for detecting two-dimensional videos placed on a sphere in abusive spherical video content by tiling the sphere are provided. In some embodiments, the method comprises: receiving an identifier of a spherical video content item, wherein the spherical video content item has a plurality of views and wherein the spherical video content item is encoded into a plurality of two-dimensional video frames; selecting a first frame of the plurality of two-dimensional video frames associated with the spherical video content item; dividing the first frame into a plurality of tiles spanning the first frame of the spherical video content item; calculating, for each tile of the plurality of tiles, a probability that the tile includes content of a particular type of content; determining, for each tile, whether the probability exceeds a predetermined threshold; in response to determining, for a particular tile, that the probability exceeds the predetermined threshold, causing the content associated with the tile to be analyzed using a video fingerprinting technique; and in response to determining, using the video fingerprinting technique, that the content associated with the tile matches a reference content item of a plurality of reference content items, generating an indication of the match in association with the identifier of the spherical video content item.
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