نتایج جستجو برای: jorc classification

تعداد نتایج: 492400  

In this paper, a proposed ensemble classification for fully polarimetric synthetic aperture radar (PolSAR) data using a global-local classification approach is presented. In the first step, to perform the global classification, the training feature space is divided into a specified number of clusters. In the next step to carry out the local classification over each of these clusters, which cont...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2009
mahdi irannajad samira rashidi akbar farzanegan

cement powder size classification efficiency significantly affects quality of final product and extent of energy consumption in clinker grinding circuits. static and dynamic or high efficiency air separators are being used widely in closed circuit with multi-compartment tube ball mills, high pressure grinding rolls (hpgr) and more recently vertical roller mills (vrm) units in cement plants to c...

Journal: :مطالعات حقوق خصوصی 0
علیرضا یزدانیان دانشکده علوم اداری و اقتصاد دانشگاه اصفهان

one of problems of the law of obligations is the classification of the sources of obligations. in the law of the rome the obligation arose from contract and crime. in french law there is other sources and this classification has been recorded in other codes. the lawyers believe that this classification is not extensive and logical. today there is unilateral obligation and obligations by other s...

دل افروز, هادی, فاضلی فرد, محمدحسن, قاهری, عباس, قربانی, محمدعلی,

One of the challenges for hydrologists is finding a new method for hydrologic classification of catchments. An appropriate classification method can be effective in many branches of hydrologic science like modeling. To deal with the complexity and nonlinearity of hydrologic processes, some researchers have proposed using the chaos theory for catchment classification. In this research, possibili...

M. H. Sedaaghi,

Accurate gender classification is useful in speech and speaker recognition as well as speech emotion classification, because a better performance has been reported when separate acoustic models are employed for males and females. Gender classification is also apparent in face recognition, video summarization, human-robot interaction, etc. Although gender classification is rather mature in a...

حسین خانی, فاطمه, ناصرشریف, بابک ,

Discriminative methods are used for increasing pattern recognition and classification accuracy. These methods can be used as discriminant transformations applied to features or they can be used as discriminative learning algorithms for the classifiers. Usually, discriminative transformations criteria are different from the criteria of  discriminant classifiers training or  their error. In this ...

Journal: :dental research journal 0
vishnu mittal bhullar raman preet k bansal rachita singh karanprakash bhalodi anand khinda paramjit k

the diagnosis and classification of periodontal diseases has remained a dilemma since long. two distinct concepts have been used to define diseases: essentialism and nominalism. essentialistic concept implies the real existence of disease whereas; nominalistic concept states that the names of diseases are the convenient way of stating concisely the endpoint of a diagnostic process. it generally...

Journal: :journal of agricultural science and technology 2010
a. tabatabaeefar a. vefagh-nematolahee a. rajabipour

there are instances in which it is desirable to determine relationships among fruit physical attributes. for example, fruits are often graded on the basis of size and projected area, but it may be more suitable and/or economical to develop a machine which grades by mass. therefore, a relationship between mass and dimensions or projected areas and/ or volume of fruits is needed. various grad...

Journal: :رادار 0
مریم صالحی یاسر مقصودی محمودرضا صاحبی

land cover classification is one of the most important applications of polarimetric radar images, especially in urban areas. there are numerous features that can be extracted from these images for the use of their high potential, hence feature selection plays an important role in polsar image classification. in this study, three main steps are used to improve the classification: 1) feature extr...

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