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.
The wavelet transform has been proved to be an efficient tool for de-noising the signal due to its capability to stand out inhomogeneous and localized signal features. This paper presents a wavelet filter in ITER PF converter I&C system for signals de-noising and processing using the discrete wavelet transform. Daubechies 4 which is an orthogonal wavelet has been selected. The wavelet filter was...
In this paper present a local regions descriptors representation method based on independent components analysis (ICA) and wavelet transform. We reduce the feature dimensions using ICA. The proposed algorithm first finds the characteristic scale and the location for the interest points. And then wavelet transform is performed on the neighborhood of the local regions and get low frequency gradient...
In this paper, we develop a novel transform which is called semisubsampled wavelet transform (SSWT) and employ it to image watermarking. Combining nonsubsampled pyramid (NSP) with critically sampled wavelet transform (WT) to construct filter banks of SSWT. The result of the nonsubsapled part is a flexible multiscale and shift invariant image decomposition that can be efficiently implemented via the...
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.