نتایج جستجو برای: planning mean 33750
تعداد نتایج: 777429 فیلتر نتایج به سال:
This thesis presents results in two areas. The first area is automated planning. Approaches to the domain-independent automated planning can be divided into two groups: STRIPS-like planning (based on operators) and HTNlike planning (based on hierarchical decomposition). It is widely believed, that the expressivity of STRIPS-like planning is lower than the expressivity of HTN-like planning. This...
ردیابی بر مبنای هسته اصلی بهینه شده با بکارگیری الگوریتم mean shift توجه زیادی را به عنوان یک تکنیک موثر ردیابی در رشته های ویدئویی کسب کرده است. الگوریتم mean shift اساساً یک روش بهینه سازی صعود گرادیان است، که برای پیدا کردن بابهای محلی طراحی شده است. در بسیاری از ردیابی ها، ما نیاز به جستجوی باب کلی یک تابع هدف داریم، مانند وقتیکه جابجایی هدف در بین فریم های متوالی نسبتاً بزرگ باشد بطوریکه هیچ...
این تحقیق کاوشی است به منظور تعیین عوامل مرتبط با وجدان کاری کارکنان که در واحدهای ستادی شرکت ملی پالایش و پخش فرآورده های نفتی ایران با نمونه ای به حجم 135 نفر انجام پذیرفته است. جمع آوری داده ها از طریق پرسشنامه ای با 36 سوال که براساس مقیاس درجه بندی لیکرت با گزینه های خیلی زیاد، زیاد، متوسط، کم و خیلی کم طراحی شده بود، صورت گرفته و تجزیه و تحلیل اطلاعات برای داده های نرمال با استفاده از ضری...
BACKGROUND The purpose of this study was to evaluate the usefulness of diffusion-weighted magnetic resonance imaging (DW-MRI) and positron emission tomography/computed tomography (PET/CT) in planning transthoracic CT-guided biopsies of lung lesions. METHODS Thirteen patients with lung lesions suspicious for malignancy underwent CT-guided biopsy. Chest DW-MRI and apparent diffusion coefficient...
BACKGROUND Intensity modulated radiotherapy treatment planning for sites with many different organs-at-risk (OAR) is complex and labor-intensive, making it hard to obtain consistent plan quality. With the aim of addressing this, we developed a program (automatic interactive optimizer, AIO) designed to automate the manual interactive process for the Eclipse treatment planning system. We describe...
in the area of vocabulary teaching and learning although much research has been done, only some of it has led to effective techniques of vocabulary teaching and many language learners still have problem learning vocabulary. the urge behind this study was to investigate three methods of teaching words. the first one was teaching words in context based on a traditional method of teaching that is,...
European Journal of Information Systems (2006) 15, 113–115. doi:10.1057/palgrave.ejis.3000622 This issue of the European Journal of Information Systems includes our special section on business agility as it relates to information systems. In preparing this editorial for the entire issue (the special section has its own introductory editorial by the guest editors), I discovered a common thread a...
Planning and Dosimetric Comparisons of IMRT Lung Cancers with Three Advanced Optimization Algorithms
Purpose: To evaluate planning quality and dosimetric differences of clinically deliverable Intensity-modulated Radiation Therapy lung plans generated from Tomotherapy, Pinnacle, and RayStationTM treatment planning systems. Method and Materials: Ten patients diagnosed with non-small-cell lung carcinoma (NSCLC) previously treated with plans on Pinnacle using Direct Machine Parameter Optimization ...
BACKGROUND This study evaluated an automated inverse treatment planning algorithm, Pinnacle Auto-Planning (AP), and compared automatically generated plans with historical plans in a large cohort of head and neck cancer patients. METHODS Fifty consecutive patients treated with volumetric modulated arc therapy (Eclipse, Varian Medical System, Palo Alto, CA) for head and neck were re-planned wit...
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