نتایج جستجو برای: locally adaptive zooming algorithm laz
تعداد نتایج: 983875 فیلتر نتایج به سال:
This paper deals with the theory and application of 2-Dimensional, nine-neighborhood, nullboundary, uniform as well as hybrid Cellular Automata (2D CA) linear rules in image processing. These rules are classified into nine groups depending upon the number of neighboring cells influences the cell under consideration. All the Uniform rules have been found to be rendering multiple copies of a give...
some applications are critical and must designed fault tolerant system. usually voting algorithm is one of the principle elements of a fault tolerant system. two kinds of voting algorithm are used in most applications, they are majority voting algorithm and weighted average algorithm these algorithms have some problems. majority confronts with the problem of threshold limits and voter of weight...
In this paper, a cellular neural network (CNN) based locally adaptive scheme is presented for image segmentation and edge detection. It is shown that combining a constrained (linear or nonlinear) diffusion approach with adaptive morphology leads to a robust segmentation algorithm for an important class of image models. These images comprise of simple geometrical objects, each having a homogeneo...
The CAC algorithm of mobile network is responsible for reducing the handoff drop ratio(HDR) to an acceptable low level as well as achieving a high accept ratio for locally generated calls. Algorithms based on dynamic resource reservation depend on complex measurement, calculation and information exchange between cells. Recently, adaptive service has been proposed to protect the QoS of mobile us...
This paper presents a novel color quantization algorithm for compressed video data. The proposed algorithm extracts discrete cosine (DC) transform coefficients and motion vectors of blocks in a shot to estimate a cumulative color histogram of the shot and, based on the estimated histogram, design a color palette for displaying the video sequence in the shot. It significantly reduces the complex...
BACKGROUND Growth faltering in the first 2 years of life is high in South Asia where prevalence of stunting is estimated at 40-50%. Although nutrition counselling has shown modest benefits, few intervention trials of food supplementation exist showing improvements in growth and prevention of stunting. METHODS A cluster-randomized controlled trial was conducted in rural Bangladesh to test the ...
BACKGROUND We sought to characterize growth between birth and age 3 years in infants with hypoplastic left heart syndrome who underwent the Norwood procedure. METHODS AND RESULTS We performed a secondary analysis using the Single Ventricle Reconstruction Trial database after excluding patients <37 weeks gestation (N=498). We determined length-for-age z score (LAZ) and weight-for-age z score (...
BACKGROUND Previous studies investigating the association between an infant and child feeding index (ICFI) and length-for-age were based on a cross-sectional design and on the assumption that data collected with brief recalls could provide information about more enduring processes. OBJECTIVES The objectives were to test the stability of the individual ICFI values over time and to investigate ...
در این پایان نامه، دو روش جدید برای کاهش نویز پواسون از تصاویر رادیوگرافی پزشکی در حوزه ویولت ارائه خواهد شد. در این روش ها ابتدا یک تابع آستانه جدید با عنوان آستانه گیری بیزشرینک ژنتیک bayesshrink genetic algorithm (bsga) ارائه شده و سپس با به کارگیری آن در چند طرح عملیاتی مختلف عملیات حذف نویز صورت می گیرد. در این روش ها از چندین ایده از جمله بهینه سازی آستانه گیری بیزشرینک به کمک روش بهینه س...
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