发明名称 Video navigation preview
摘要 A method is described for providing a navigation preview file for a video. The method may include identifying a number of content images that may be associated with a video. An arrangement of the content images may be determined that may provide a low granularity preview of the entire length of the associated video where the low granularity preview increasingly becomes more granular as the content images are received on a client device. A navigation preview file may then be constructed according to the arrangement of the content images.
申请公布号 US9021526(B1) 申请公布日期 2015.04.28
申请号 US201313887208 申请日期 2013.05.03
申请人 Amazon Technologies, Inc. 发明人 Baron Bradley Michael;Winograd Richard Judd
分类号 G06F3/00;G06F13/00;H04N5/445;H04N21/482 主分类号 G06F3/00
代理机构 Thorpe, North & Western LLP 代理人 Thorpe, North & Western LLP
主权项 1. A method for providing a navigation preview file with a preview for an entire length of a streaming video, comprising: under control of one or more computer systems configured with executable instructions: storing a plurality of content images in a tree data structure that are to be included in the navigation preview file;determining an arrangement of the plurality of content images for the navigation preview file using a level order traversal of the tree data structure, the arrangement initially providing a preview with a low granularity preview of an entire length of the streaming video and the preview increasingly becomes more granular as the navigation preview file is progressively transferred across a network and the preview includes a complete preview of the streaming video when the navigation preview file is completely transferred;constructing the navigation preview file according to the arrangement; andproviding the navigation preview file.
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