| 摘要 |
A method for automatically monitoring the viewing activities of television signals, characterized by providing a measurement device, in which the television signals are adapted to be communicated to the measurement device and the TV set, making the measurement device receive the same signals as the TV set; the measurement device is adapted to extract a fingerprint data from the television signals displayed to the viewers, making the measurement device measures the same video signals as those being seen by the viewers; and the fingerprint data is transferred to a data center; and sending the television signals which the viewers are selected to watch through the measurement device to a fingerprint matcher to be monitored. The method according to the present invention does not require any change to the other devices already in place before the measurement device is introduced into the connections.
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