نتایج جستجو برای: reference group
تعداد نتایج: 1222739 فیلتر نتایج به سال:
یکی از زمینه¬های تحقیقاتی با اهمیت در حوزه پردازش تصاویر، ارزیابی کیفیت تصویر می¬باشد. امکان کاهش کیفیت تصاویر هنگام انتقال، پردازش و فشرده¬سازی وجود دارد. تاکنون نظر انسان به عنوان قابل اعتماد¬ترین روش برای ارزیابی کیفیت تصویرمی باشد اما این روش علاوه بر محدودیت¬هایی که دارد بسیار وقت¬گیر و هزینه بر می¬باشد. هدف الگوریتم¬های ارزیابی کیفیت تصویر، طراحی مدل محاسباتی است که مانند انسان، قادر به پ...
اندازه¬گیری کیفیت تصاویر برای طراحی سیستم¬های پردازش تصویر که به طور بالقوه قادر به مقیاس¬بندی کیفیت بصری می¬باشند، بسیار با اهمیت است. برخی از اندازه¬گیری¬ها به توسعه¬دهندگان اجازه¬ی بهینه¬سازی طراحی¬هایشان برای ارائه¬ی بهترین کیفیتبا کمترین هزینه را می¬دهد. این پایان¬نامه در ارتباط با الگوریتم¬های خودکاری است که کیفیت تصاویر دیجیتال را بدون در دسترس داشتن هیچ¬¬گونه اطلاعاتی در مورد تصویر اصلی...
this study was an attempt to investigate the effect of teaching meta cognitive strategies on iranian intermediate efl students speaking proficiency. in this study the researcher has employed metacognitive strategies taken from brown (2000) to teach speaking strategies to number of participants. the participants were intermediate students of shokouh language institute; they were divided into an ...
Background and objectives: The wounds are still the health tribulations at the present time. In the present research the effect of a new herbal ointment (Oppyheal) in treatment of rat’s wound has been investigated. The effectiveness of the ointment was compared with the Fibrinolysin/DNAse. Methods: Fifty four male Wistar rats were used. The wound was crea...
this study was conducted to investigate the impact of portfolio assessment as a process-oriented assessment mechanism on iranian efl students’ english writing and its subskills of focus, elaboration, organization, conventions, and vocabulary. out of ninety juniors majoring in english literature and translation at the university of isfahan, sixty one of them who were at the same level of writing...
The Easterlin paradox questions the way income can enter a utility function. Individuals are said to be sensitive not to the level of their income, but to their relative income as measured by the ratio between their income and the mean income of their reference group. We propose a reference group based on human capital and relate well-being to income dynamics using panel data with income variat...
Background:Purpose of present study was to investigate whether chronic exposure to zinc fume would affect serum zinc levels, memory, and cognition in zinc fume-exposed workers. Methods:In a cross-sectional study, all zinc fume-exposed workers (exposed, n=20) were compared with unexposed workers (reference, n=20) matched for sex and education level in a zinc galvanization factory. The worker...
this study compared the different effects of form-focused guided planning vs. meaning-focused guided planning on iranian pre-intermediate students’ task performance. the study lasted for three weeks and concentrated on eight english structures. forty five pre-intermediate iranian students were randomly assigned to three groups of guided planning focus-on-form group (gpfg), guided planning focus...
this study was an attempt to investigate the effect of using c-test passages on the reading comprehension and incidental vocabulary learning of iranian intermediate efl learners. the participants were 60 male efl learners at kish mehr institute in garmsar. in fact, there were two groups, an experimental group and a comparison group with 30 students in each. the participants were pretested throu...
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