نتایج جستجو برای: wall tracking
تعداد نتایج: 282131 فیلتر نتایج به سال:
بندپایان در حدود 75درصد انواع جانوران از جمله کنه های ایکسودیده ، بزرگترین شاخه جانوری می باشند (یخچالی و حاجی حسن زاده زرزای, 1383). خانواده کنه های سخت در زیر راسته متااستیگماتا و راسته کنه سانان (آکارینا) از شاخه بندپایان قرار دارند (wall and shearer, 2001). تاکنون 650 گونه و در حدود 13 جنس در 5 زیرخانواده از آنها گزارش گردیده است (wall and shearer, 1997; wall and shearer, 2001 ). به طوری که...
In this work, we continue the modelling of the digestion in the small intestine, started in a previous article, by investigating the effects of dietary fibre. We recall that this model aims at taking into account the three main phenomena of the digestion, namely the transit of the bolus, the degradation of feedstuffs and the absorption through the intestinal wall. In order to study the role of ...
a three day old neonate was referred to our department with a problem of a sternal cleft. sternal clefts are often associated with a myriad of other abnormalities ranging from mild to severe. we present our experience with such a problem, and review the current literature concerning it.
This paper presents an adaptive beamforming application based on the capture of far-field speech data from a real single speaker in a real meeting room. After the position of a speaker is estimated by a speaker tracking system, we construct a subbanddomain beamformer in generalized sidelobe canceller (GSC) configuration. In contrast to conventional practice, we then optimize the active weight v...
To characterize tissues in atherosclerotic plaques, we have developed a method, the phased tracking method, for measuring the strain (change in wall thickness) and elasticity of the arterial wall. However, some types of tissue, such as lipids and blood clots, cannot be discriminated from each other based only on elasticity due to the small difference in their elasticity. For more precise tissue...
BACKGROUND Analysis of left ventricular (LV) mechanical dyssynchrony may provide incremental prognostic information regarding cardiac resynchronization therapy (CRT) response in addition to QRS width alone. Our objective was to quantify LV dyssynchrony using feature tracking post processing of routine cardiovascular magnetic resonance (CMR) cine acquisitions (FT-CMR) in comparison to speckle tr...
Participants stood in a moving room and looked at a target that was attached to the front wall of the room. They were instructed either to look at the target or to track it, that is, to move so as to maintain a constant distance between the target and their head. Previous research (e.g. Bardy, Oullier, Bootsma, & Stoffregen, Journal of Experimental Psychology: Human Perception and Performance, ...
The lattice Boltzmann method is employed to conduct direct numerical simulations of turbulent open channel flows with the presence finite-size spherical sediment particles. uniform particles have a diameter approximately 18 wall units and density ?p=2.65?f, where ?p ?f are particle fluid densities, respectively. Three low volume fractions ?=0.11%, 0.22%, 0.44% used investigate particle-turbulen...
Quantifying the 3D deformation of the heart is a necessity for accurate diagnosis of certain heart diseases. For example, the non-uniform contraction of different portions of the heart wall could be a sign of an unhealthy heart. A popular noninvasive method for monitoring the deformation of the heart wall is by tagged Magnetic Resonance Imaging (MRI). In a tagged MR image sequence, dark curves,...
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