نتایج جستجو برای: film to focus distance ffd

تعداد نتایج: 10718186  

2014
Hitomi Ubukata Hitoshi Maruyama Ming Huo Qiuchen Huang

[Purpose] Auditory stimulation is used for the functional assessment of the saccule and saccule-derived vestibule-cervical reflex in clinical environments. The present study aimed to clarify the influences of sound stimulation as a type of auditory stimulation on the body. [Subjects] The subjects were nine healthy youths (2 males and 7 females). [Methods] FFD, FRT, the muscle hardness of hamstr...

Journal: :iranian journal of medical physics 0
somayeh nourollahi m.sc.in medical physics, faculty of medicine, tehran university of medical sciences, tehran, iran mahmoud allahverdi associate professor, medical physics dept., faculty of medicine, tehran university of medical sciences, tehran, iran mahbod esfahani m.sc.in medical physics, radiotherapy dept., cancer institute, tehran university of medical sciences, tehran, iran mehdi aghili assistant professor, radiotherapy dept., cancer institute, tehran university of medical sciences, tehran, iran vahid changizi assistant professor, radiology technology dept., faculty of allied medical sciences, tehran university of medical sciences, tehran, iran

introduction: the complex geometry of breast and also lung and heart inhomogeneities near the planning target volume (ptv) result in perturbations in dose distribution. this problem can result in overdosage or underdosage in the match region of the three treatment fields. the purpose of this study is to create a homogeneous dose distribution in the match region between the supraclavicular and t...

2012
Sacha Loeve

As biotechnologies and nanotechnologies are becoming paradigmatic of nowadays science, what happened to science as we (thought we) knew it? Are we witnessing a break of an epochal character? Science Transformed? is a collection of essays that revolve around the question whether recent science hallmarks an epochal break. The book is organized in two sections: the first one gathers essays that di...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه بوعلی سینا - دانشکده علوم پایه 1391

abstract: in this thesis, we focus to class of convex optimization problem whose objective function is given as a linear function and a convex function of a linear transformation of the decision variables and whose feasible region is a polytope. we show that there exists an optimal solution to this class of problems on a face of the constraint polytope of feasible region. based on this, we dev...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده زبانهای خارجی 1391

the present study has tried to accomplish an analysis of margaret atwood’s novels oryx and crake, and the year of the flood in the light of posthuman and cyborg theories. considering posthumanism as a critical reading of some notions of humanism focus of which in this thesis has been identity, new definitions for humanity and human identity are formed. haraway’s cyborg, as one possible new figu...

2008
Marc Modat Zeike A. Taylor Josephine Barnes David J. Hawkes Nick C. Fox Sébastien Ourselin

Non-rigid registration is a tool commonly used in medical image analysis. However techniques are usually time consuming. In this paper we present a fast registration framework which is a modification of the well-known Free-Form Deformation (FFD) algorithm. Our algorithm uses the analytical Normalized Mutual Information gradient which leads to a highly parallel framework. Its implementation is t...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - پژوهشکده ادبیات 1393

1.0 overview it seems that grammar plays a crucial role in the area of second and foreign language learning and widely has been acknowledged in grammar research. in other words, teaching grammar is an issue which has attracted much attention to itself, and a lot of teachers argue about the existence of grammar in language teaching and learning. this issue will remind us a famous sentence f...

Bahram, Abbas, Damanpak, Samaneh, Fazel, Elham, Shafizadeh, Mohsen,

The purpose of the present study was to study the effect of attentional focus instructions on motor skills that requiring near to maximum force production, such as shot put skill. In this experiment, twenty eight right- handed girl students with little shot put experience were selected voluntarily. They divided to two groups (internal and external focus) based on their shot put scores in pre- t...

1998
Prem Kalra Angelo Mangili Nadia Magnenat Thalmann Daniel Thalmann

Computer simulation of human facial expressions requires an interactive ability to create arbitrary faces and to provide a controlled simulation of expressions on these faces. The system described in this paper presents the interactive facilities for simulating abstract muscle actions using Free Form Deformations (FFD). The particular muscle action is simulated as the displacement of the contro...

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