نتایج جستجو برای: background enhancement

تعداد نتایج: 954606  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه کاشان - دانشکده ادبیات و زبانهای خارجی 1394

cohesion is an indispensable linguistic feature in discourse analysis. lexicald such a differe cohesion and conjunction in particular as two crucial elements to textual cohesion and comprehension has been the focus of a wide range of studies up to now. yet the relationship between the open register and cohesive devices has not been thoroughly investigated in discourse studies. this study concen...

Journal: :iranian journal of radiology 0
sima nikneshan department of oral and maxillofacial radiology, dental faculty, shahid beheshti university of medical sciences, tehran, iran sudeh mohseni department of oral and maxillofacial radiology, dental faculty, kerman university of medical sciences, kerman, iran mahtab nouri department of orthodontics, dental faculty, shahid beheshti university of medical sciences, tehran, iran hoora hadian department of oral and maxillofacial radiology, dental faculty, mazandaran university of medical sciences, sari, iran; department of oral and maxillofacial radiology, dental faculty, mazandaran university of medical sciences, sari, iran. tel: +98-113405474 mohammad javad kharazifard dental research center, dentistry research institute, tehran university of medical sciences, tehran, iran

background evaluation of the craniofacial bones is the oldest method to measure the facial proportion ratio in orthodontics. objectives the purpose of this study was to evaluate the effect of emboss enhancement on the reliability of landmark identification in digital lateral cephalometric images. materials and methods ten digital lateral cephalograms were selected from the archive of an oral an...

2015
Esfandiar Zavarehei Saeed Vaseghi

In the problem of speech enhancement, where a speech signal is corrupted by.In this paper, we propose to combine the Kalman filter with a recent speech enhancement technique, called the phase spectrum compensation procedure, or.we present a class of Kalman filter-based algorithms with some extensions, modifications. These algorithms with alternative speech enhancement algorithms. Conversations ...

Journal: :iranian red crescent medical journal 0
masoumeh gity advanced diagnostic and interventional radiology research center (adir), tehran university of medical sciences, tehran, ir iran; advanced diagnostic and interventional radiology research center, medical imaging center, imam khomeini hospital, keshavarz blvd., tehran, ir iran. tel: +98-2166581579, fax: +98-2166581578 koosha ghazi moghadam clinic of solingen, medical university of cologne, cologne, germany amir hossein jalali advanced diagnostic and interventional radiology research center (adir), tehran university of medical sciences, tehran, ir iran madjid shakiba advanced diagnostic and interventional radiology research center (adir), tehran university of medical sciences, tehran, ir iran

conclusions although in our study washout pattern was the most powerful indicator for malignant pathology in non mass like enhancing lesions, more studies with larger sample size needs in this regard. background several studies on the diagnostic efficacy of mri has not real consensus for the accuracy of mri characteristics in non mass like breast lesions, and the number of malignant lesions in ...

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