| 摘要 |
In general, one aspect of the subject matter described in this specification can be embodied in a system that includes a user interface device; and one or more computers operable to interact with the user interface device and to perform operations including: receiving video data; applying a one dimensional watermark pattern to each of multiple one dimensional data lines in the video data to create watermarked video data; receiving the watermarked video data including the multiple one dimensional data lines; combining the one dimensional data lines to form a one dimensional array of numbers; analyzing the one dimensional array of numbers to detect the one dimensional watermark pattern previously applied to each of the one dimensional data lines; and outputting an indication of a match, to trigger further processing with respect to the watermarked video data, when the analyzing indicates the watermark pattern has been detected.
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