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One of the major subjects of study in computational biology is finding the similarity between DNA sequences. Several techniques exist that are either based on alignment between sequences or are alignment-free. This paper demonstrates two techniques that are alignment-free. The first one is based on a graphical representation of the difference between DNA sequences, while the other one is based on...
One of the major subjects of study in computational biology is finding the similarity between DNA sequences. Several techniques exist that are either based on alignment between sequences or are alignment-free. This paper demonstrates two techniques that are alignment-free. The first one is based on a graphical representation of the difference between DNA sequences, while the other one is based on...
Searching for approximate repetitions in a DNA sequence has been an important topic in gene analysis. One of the problems in the study is that because of the varying lengths of patterns, the similarity between patterns cannot be judged accurately if we use only the concept of ED (Edit Distance). In this paper we shall make effort to define a new function to compute similarity, which considers both...
With the fast development of Internet technology and information processing technology, the image is commonly transmitted via the Internet. People enjoy the convenience and shortcut, but people have to face to the obsession that the important image information in transmission is easily intercepted by unknown persons or hackers. In order to enhance the image information security, image encryption becomes...
This paper presents feature extraction and estimations of multifractal measures for deoxyribonucleic acid (DNA) sequences, and demonstrates the intriguing possibility of identifying biological functionality using information contained within the DNA sequence. We have developed a technique that seeks patterns or correlations in the DNA sequence at a higher level. The technique has three main steps:...
The diversity of life is staggering which is apparent not only in the large number of species, but also in their heterogeneity. Species share commonalities based on their physical appearance, but the intrinsic similarities lies within their DNA sequences which point towards relationships of evolutionary descent. In the proposed research, the authors have analyzed the phylogenetic relationships between...
In this paper, we will bring to bear new tools to analyze non-stationary signals that have emerged in the statistical and signal processing community over the past few years. The emergence of these new methods will be used to shed new light and help resolve the issues of (i) the existence of long-range correlations in DNA sequences and (ii) whether they are present in both coding and non-coding segments...
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