| 摘要 |
<p>A monitoring station (200) for monitoring distribution of media content, on basis of a watermark, comprises: receiving means (202) for receiving an information signal representing the media content to which the watermark is added; extracting means (204) for extracting perceptual features, identifying the information signal; first retrievingmeans (206) for retrieving a supporting signal on basis of the perceptual features; second retrieving means (208) for retrieving the watermark on basis of the supporting signal; and comparing means (210) for comparing the watermark with predetermined information.</p> |
