| 摘要 |
<p>According to the method of the invention, end-user employs an Internet form to fill out and send over the Internet both data in the form of metadata describing the digital multimedia content and digital multimedia content to the internet server, whereas the internet server marks the received digital multimedia content by adding an additional watermark signal, which is perceptual transparent, so it's inaudible and invisible in the presence of the digital multimedia content while the watermark signal represents an index which, linked with database of the internet server, constitutes a reference to the information stored as metadata by end-user on the internet server, and the metadata concerns the marked digital multimedia content, in particular contains time stamp - date and time when the digital multimedia content was marked, and end-user chooses a method of marking and identifying the digital multimedia content with the aid of an Internet form by selecting the symbol of the chosen encoder and decoder of the watermark on the form, while the identification of digital multimedia content consists in sending digital multimedia content by end-user by means of the Internet form onto the internet server, and as a result of the operation of the watermark signal decoder, which is installed on the internet server, an index is being achieved, which, linked with the database of the internet server, constitutes a reference to the information stored as metadata by end-user on the internet server, whereas the information about the obtained metadata of the given digital multimedia content is displayed on the internet form on end-user's side. Apparatus marking and identifying digital multimedia content over the internet comprises the internet server with an incorporated watermark encoder (K) and a decoder (D) and a database (DB) and a Real Time Clock (TC).</p> |
