today the image of a permanent skeletal space of cities affected by some forces or mechanisms is put in time with social-economic development and while imposes a new face and perspective to physical anatomy of cities, and prepares field to changes in content and social- economic structures of cities too. simultaneously with quitting villages in order to settle in cities by villagers, the phen...

a problem of computer vision applications is to detect regions of interest under dif- ferent imaging conditions. the state-of-the-art maximally stable extremal regions (mser) detects affine covariant regions by applying all possible thresholds on the input image, and through three main steps including: 1) making a component tree of extremal regions’ evolution (enumeration), 2) obtaining region ...

nowadays,tourism industry considered as one of the main sources of income of a country.unfortunately and despite of owning plenty of cultural historical and natural attractions, iran has not reached to a proper position in this field. besides, the historical cities of a country are considered as the income resource and national wealth of it. qazvin with a rich cultural precedent, have suitable ...

This paper tries to calculate and compare the trend of costs inequality between Iran’s Fars Province and the whole country in two categories of rural and urban regions within 1981-2008. Therefore, inequality indicators, i.e. Gini coefficient and income groups share, are estimated by nonparametric method. The results of studying the income distribution trend, i.e. Gini coefficient calculated fro...

High unemployment rate is one of the problems Iran’s economy has in urban regions. Investment in the sections which have the highest potentiality for creating employment can take the main role in solving unemployment problem. Therefore, the current research aims at investigating employment-creating of economic sections of Sistan and Balouchestan in urban regions. To this aim, via regional input...

Background and purpose: Lead is a heavy metal, which has been replaced by calcium hydroxyapatite in tooth enamel. It is considered as an index of pollution assessment. Zanjan province is potential area for lead element accumulation. This study aimed at comparing the amount of lead in human deciduous and permanent teeth in order to evaluate and determine the risk of lead pollution in urban and r...