The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
One application of digital watermarks deals with control of copying, playback, transmission and other uses of copyrighted content. In this application, the watermark extractor is typically in user-controlled devices, which means that an attacker could mount the oracle attack, or attempt reverse engineering of the watermarking technology. Furthermore, the watermark extractor has to use limited device...
Audio watermark has been found to be an attractive technology for automated identification and protection of copyrighted works against unauthorized use in high-resolution optical media formats, such as Blu-ray Disc and DVD-Audio. Previous systems have been designed to operate in standalone devices without any dependence on local or wide area network connectivity. As newer generations of secure media...
A new code with the aim of facilitating realisation of a simple repeater is presented and compared to the other codes with similar properties. Its spectrum is calculated and a simple coder and decoder are proposea.
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.