发明申请
US20110216937A1 Media Fingerprints that Reliably Correspond to Media Content with Projection of Moment Invariants 有权
媒体指纹与媒体内容可靠地对应于时刻不变量的投影

Media Fingerprints that Reliably Correspond to Media Content with Projection of Moment Invariants
摘要:
A portion of media content is accessed. Components from a first and each subsequent spatial regions of the media content are sampled. Each spatial region has an unsegmented area. Each subsequent spatial region includes those within its area as elements thereof or the spatial regions may partially overlap. The regions may overlap independent of a hierarchical relationship between the regions. A media fingerprint is derived from the components of each of the spatial regions, which reliably corresponds to the media content portion, e.g., over geometric attacks such as rotation.
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