this study aimed to identify and rank the most important environmental factors for the popularity of recreational sports in iran. only those sensitive aspects of the environment to which recreational sports should react were considered in order to survive. this study was performed consecutively in two qualitative and quantitative phases by mixed heuristic method. for this purpose the experts of...

ultrasound imaging is a popular and noninvasive tool frequently used in the diagnoses of liver diseases. a system to characterize normal,fatty and heterogeneous liver, using textural analysis of liver ultrasound images, is proposed in this paper. the proposed approach isable to select the optimum regions of interest of the liver images. these optimum regions of interests are analyzed by two lev...

Formalizing goals and objectives within any organization is influenced by many socio-historical factors. To identify the trend in which educational goals and objectives within the Iranian educational system have evolved in terms of the approach, pattern, performance, and attending to individual differences, a historical analysis was undertaken. Findings are indicative of four eras: first, the c...

The Bayesian approach has become increasingly popular because it allows to fit quite complex models to data via Markov chain Monte Carlo sampling. However, it is also recognized nowadays that Markov chain Monte Carlo sampling can become computationally prohibitive when applied to a large data set. We encountered serious computational difficulties when fitting an hierarchical model to longitudin...

The objective of this study is to apply an unsupervised neural network tool to analyze fraudulent financial reporting (FFR) by extracting distinguishing features from samples of groups of companies and converting them into useful information for FFR detection. This methodology can be used as a decision support tool to help build an FFR identification model or other financial fraud or financial ...

It is known that microglial morphology and function are related, but few studies have explored the subtleties of microglial morphological changes in response to specific pathogens. In the present report we quantitated microglia morphological changes in a monkey model of dengue disease with virus CNS invasion. To mimic multiple infections that usually occur in endemic areas, where higher dengue ...

We investigate a Bayesian hierarchical model for the analysis of categorical longitudinal data from sedation measurement for Magnetic Resonance Imaging (MRI) and Computerized Tomography (CT). Data for each patient is observed at different time points within the time up to 60 min. A model for the sedation level of patients is developed by introducing, at the first stage of a hierarchical model, ...

In recent years it has been shown that hierarchical classifiers have a significant advantage over single stage classifiers both in classification accuracy and in complexity of the classification features. This paper introduces a new method for creating the structure of hierarchical classifiers using a novel method for determining clusters. The proposed method uses features obtained using Gabor ...