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.
Copyright protection of digital images has drawn much attention owing to fast development of the internet in recent years. In this paper a new robust digital image watermarking algorithm based on joint DWT-DCT transformation is proposed. This algorithm combines the visual characteristics of low frequency sub-image of DWT and the ability of DCT to remove correlation between DWT coefficients. Hence...
Reversible watermarking algorithms make it possible that the original image can be totally restored after the watermark was extracted, so it is widely used in the protection of medicalimages. A new reversible watermarking scheme based on Integer Discrete Cosine Transform (IntDCT) and Difference Expansion (DE) is proposed in this paper. The IntDCT transformation not only avoids the distortion of truncation...
Local boundary information plays an important role in shape description. In this paper, an improved Arc-Height Function is presented for shape description and retrieval. The Improved Arc-Height is independent of centroid distance (CD) and can capture local boundary information very accurately. And an effective fusion strategy is utilized to integrate Fourier features derived from the improved Arc-Height...
RANSAC and RANSAC-like algorithm are most employed for the robust computation of relations from a number of potential matches in the field of computer vision, such as stereo matching, image retrieval, mosaic and elsewhere. There have been a number of recent efforts that aim to increase the efficiency of the standard RANSAC algorithm. This paper presents a novel optimal solution of the RANSAC algorithm...
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.