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Background Haller’s cells are anatomical variants of the paranasal sinuses, which were first described by Albrecht von Haller in 1765. They appear as well-defined round, oval, or teardrop-shaped radiolucencies (single or multiple) with smooth corticated or noncorticated borders. The present study sheds light on the prevalence and morphological characteristics of these least-explored entities....
Mobile ad hoc networks (MANETs) are wireless networks that lack infrastructure. Security requirements in MANET have to be much efficient due to specific characteristics of ad hoc network. Intrusion detection system (IDS) is an integral part of any mobile ad-hoc network (MANET). It is very important for IDS to function properly for the efficient functioning of a MANET. In this paper, we try to build...
Recognition of numerals has been a research area for many years because of its various applications. But there wasn’t much research done for recognition of multi-font numerals. The approaches proposed so far, suffer from larger computation time and training for obtaining feature vectors. They can be extended to recognize many more fonts but the accuracy decreases rapidly. So as to eliminate these...
The growth in the internet has led to an increase in the proliferation of digital data like documents, videos etc. Digital watermarking is emerging as an effective means to protect the copyright of original users. In this paper, we propose a content independent self-embedding document watermarking scheme using Lempel-Ziv-Welch (LZW) algorithm. Character based self-embedding document watermarking techniques...
An ideal steganographic technique embeds message information into a carrier image with virtually imperceptible modification of the image. Adaptive steganography comes closer to this ideal since it exploits the natural variations in the pixel intensities of a cover image to hide the secret message. The objective of adaptive steganographic methods in the literature is to embed a message, such that the...
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