نتایج جستجو برای: itiidi index have negative value for cloud pixel therefore
تعداد نتایج: 11324883 فیلتر نتایج به سال:
Abstract The cloud computing is undoubtedly a great achievement of the computer networks. In this environment, various services have been provided but users should take the trouble to find the services they need. Although researchers have tried to solve the needs of users to information on the web, their studies enjoy strengths and weaknesses and there is no comprehensive system for the disc...
Information security is very important task in the field of information and communication technology. Encryption is one way to secure information. In this paper we present combined concept of pixel and position manipulation technique for image encryption. The proposed technique involves three stages. In first stage pixel position manipulation is done by using pixel shuffling block where index v...
With the advent of cloud computing, data owners are motivated to outsource their complex data management systems from local sites to the commercial public cloud for great flexibility and economic savings. Every owner data is encrypted before stored in the cloud server. Considering the large number of data users and documents in the cloud, it is necessary to allow multiple keywords in the search...
heteropoly acids (hpa) and their salts have advantages as catalysts which make them both economically and environmentally attractive, strong br?nsted acidity, exhibiting fast reversible multi-electron redox transformations under rather mild conditions, very high solubility in polar solvents, fairly high thermal stability in the solid states, and efficient oxidizing ability, so that they are imp...
the quest for power has formed much of the world history especially in 20th and 21st centuries. oil (energy) particularly after industrial revolution has been a tool for conquest and power and has been transformed to a geopolitical issue. from a geopolitical point of view this has been the case for the last two centuries in central asia and caucasus. central asia and caucasus has always been...
Satellite images are playing a major role in region structure planning, change detection which is used in defense for protection and also used for study and analysis of geographical structures of earth and space. Clouds are challenging issue in most of the satellite imaging based applications since appearance of cloud on input image will be treated as noise. Accurate detection and removal of cl...
Extended abstract 1- Introduction In order to calculate the erosive power of rainfall, high-resolution precipitation data are necessary for rainfall erosion evaluation. However, collecting the required data on kinetic energy of the rainfall particles and precipitation rates with short-term temporal resolution is a time-intensive task, particularly in developing countries, and the collecte...
language learning courseware has been receiving growing attention by english educators since its advent. a variety of softwares have been designed by software designers and resorted to by language educators to supplement language textbooks. this experimental study investigated how the application of computerized version of language textbooks and the reception of the entire course through comput...
Introduction The attraction model algorithm spatially depends on the neighborhoods of the central pixels that are attracting surrounding sub-pixels. Another possibility is the hypothesis of subpixel interaction as introduced by Mertens et al. (2003) and Atkinson (2005). In order to reach a pixel state with the maximum number of sub-pixels of identical classes neighboring, there are several met...
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