نتایج جستجو برای: national image
تعداد نتایج: 760560 فیلتر نتایج به سال:
در این پایان نامه به بررسی کمی یک سیستم تصویربرداری پراش افزوده(diffraction enhanced imaging-dei) پرداخته ایم. بدین منظور مشخصات توان و شار و نحوه توزیع پرتوهای سینکروترون مورد بررسی قرار داده و سپس محاسبات پرتو خط بیم(national synchrotron light source) nsls شامل رزولوشن انرژی و شار رسیده به نمونه را انجام دادیم و در نهایت با ارائه یک مدل برای سیستم dei میزان بهبود کنتراست تصویر در این سیستم نس...
Content-Based Image Retrieval (CBIR) has been a topic of research interest for nearly a decade. Approaches to date use image features for describing content. A survey of the literature shows that progress has been limited to prototype systems that make gross assumptions and approximations. Additionally, research attention has been largely focused on stock image collections. Advances in medical ...
The formation of the national identity is determined by the process of comparing “yourself” with “the other”. The feeling of the national identity is fixing the differences “our – strangers”, “ours – not ours”. When the ethnic culture is formed there is an intensive process of self-reflection, self-identification, “the image of yourself” is made up in relation to the “images” of other people, c...
Medical image content-based retrieval entails several possible scenarios. One scenario relates to retrieving based on image landmarks. In this scenario, quantitative image primitives are extracted from the image content, in an extensive pre-processing phase, following which these quantities serve as metadata in the archive, for any future search. A second scenario is one in which image-to-image...
In his discussion about the cultural treasures, Walter Benjamin argues that, “There is no document of civilization which is not at the same time a document of barbarism”. The most obvious instances of cultural treasures in Benjamin’s discussion are found in the monumental architecture, and the history has always shown that the rulers have been interested in these magnificent s...
So far, many indicators for evaluation of science, technology and innovation have been presented in various documents in Iran. Also, many indicators have been mentioned in the reports of international organizations. Selection and use of the indicators is difficult for policy makers and researchers because of the abundance and distribution of them in various domestic and international documents ...
the caspian sea contains great resources of oil and gas. the caspian sea is a 700- mile- long body of water in central asia, land located between azerbaijan, iran, kazakhstan, russia and turkmenistan. iran was challenges and opportunities in the caspian region. key question in this thesis includes three section that first question, opportunities of iran in the caspian region, second question ch...
Computer vision has emerged as a challenging and important area of research, both as an engineering and a scientiic discipline. The growing importance of computer vision is evident from the fact that it was identiied as one of the \Grand Challenges" and also from its prominent role in the National Information Infrastructure. While the design of a general-purpose vision system continues to be el...
B. Mandelbrot gave a new birth to the notions of scale invariance, selfsimilarity and non-integer dimensions, gathering them as the founding corner-stones used to build up fractal geometry. The first purpose of the present contribution is to review and relate together these key notions, explore their interplay and show that they are different facets of a same intuition. Second, it will explain ...
the present study aimed at determining resources of sport self-confidence in elite bodybuilders and their relationship with body image. the subjects of study included 35 bodybuilders participating in qualifying tournaments of bodybuilding national team. a questionnaire for resources of sport self-confidence and a questionnaire of physical self-description were used to collect data. kolmogorov–s...
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