نتایج جستجو برای: video
تعداد نتایج: 174412 فیلتر نتایج به سال:
Introduction: Video games affect the stress system and cognitive abilities in different ways. Here, we evaluated electrophysiological and biochemical indicators of stress and assessed their effects on cognition and behavioral indexes after playing a scary video game. Methods: Thirty volunteers were recruited into two groups as control and experimental. The saliva and blood samples were collect...
background: the goals of the present work were to retrieve the scientific articles published on addiction to the internet, video games, and cell phones and to analyze the pattern of publications in this area (who is doing the research, when and where it is taking place, and in which journals it is being published), to determine the research being conducted as well as to document geographical t...
Introduction: Role-playing according to problem-solving and educational video clips are new and effective methods of training midwifery students. This study aimed to assess nursing students' experiences of training using role playing, based on problem solving, and displaying video clips in the psychiatric department of Imam Reza Hospital of North Khorasan University of Medical Sciences. M...
Video-based face recognition has attracted significant attention in many applications such as media technology, network security, human-machine interfaces, and automatic access control system in the past decade. The usual way for face recognition is based upon the grayscale image produced by combining the three color component images. In this work, we consider grayscale image as well as color s...
در این پایان نامه اثر علیت بر مسایل ترکیب توام کدینگ منبع و کانال(jscc) برای ارسال ویدیو در در کانال بیسیم بررسی میگردد. ابتدا کارایی روش jscc بر روی کدینگ ویدیو سری h ، h.264 در کانال بی سیم بررسی می شود. در این روش، بر اساس نرخ بیت ارسال و همچنین اطلاعات علّی وضعیت کانال در دسترس فرستندهcsit) causal) که به واسطه فیدبک در دسترس آن قرار می-گیرد. نرخ بیت بهینه به کدینگ منبع و کانال اختصاص داده می...
چکیده ندارد.
in recent years due to improvements of technology within automobile industry, design process of advanced driver assistance systems for collision avoidance and traffic management has been investigated in both academics and industrial levels. detection of traffic signs is an effective method to reach the mentioned aims. in this paper a new intelligent driver assistance system based on traffic sig...
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