نتایج جستجو برای: slice
تعداد نتایج: 17863 فیلتر نتایج به سال:
BACKGROUND The diagnostic accuracy of 64-slice MDCT in comparison with IVUS has been poorly described and is mainly restricted to reports analyzing segments with documented atherosclerotic plaques. OBJECTIVES We compared 64-slice multidetector computed tomography (MDCT) with gray scale intravascular ultrasound (IVUS) for the evaluation of coronary lumen dimensions in the context of a comprehe...
Markov chain sampling methods that adapt to characteristics of the distribution being sampled can be constructed using the principle that one can sample from a distribution by sampling uniformly from the region under the plot of its density function. A Markov chain that converges to this uniform distribution can be constructed by alternating uniform sampling in the vertical direction with unifo...
In this paper, we investigate the effects of errors on different parts in each slice of coded pictures of each type in MPEG-2 video sequences. We conclude, based on the simulation results, that the bits at the beginning of each slice are far more important than those near the end of the slice. Thus if the bits at the beginning of each slice are better protected while letting errors corrupt othe...
Using the (3+1) formalism in general relativity, we perform the post-Newtonian(PN) approximation to clarify what sort of gauge condition is suitable for numerical analysis of coalescing compact binary neutron stars and gravitational waves from them. We adopt a kind of transverse gauge condition to determine the shift vector. On the other hand, for determination of the time slice, we adopt three...
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