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.
A wavelet domain audio steganalysis method based on principal component analysis (PCA) is proposed. The audio signal is firstly decomposed by 4-level discrete wavelet transform, then the 36 statistical moments of the histogram and the frequency domain histogram for both the audio signal and its wavelet subbands are calculated as features, then the preprocessing of PCA is used on the statistics features...
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.