نتایج جستجو برای: occlusion
تعداد نتایج: 54110 فیلتر نتایج به سال:
We present a novel deep learning based technique for volumetric ambient occlusion in the context of direct volume rendering. Our proposed Deep Volumetric Ambient Occlusion (DVAO) approach can predict per-voxel data sets, while considering global information provided through transfer function. The neural network only needs to be executed upon change this information, and thus supports real-time ...
The angle of long axis of tooth crown is called tip in mesiodostal and torque in faciolingual direction. Both have special importance for producing an ideal occlusion. The aim of the present study was determination of the average tip and torque of each permanent tooth in well treated patients with edgewise system compare to control group with normal occlusion. In this stu...
The effects of premature ventricular stimuli were studied in two groups of dogs with infarcts, one group subjected to permanent occlusion of the left anterior descending coronary artery and the other to temporary occlusion for 2 hours. In dogs with permanent occlusion, spontaneous ventricular arrhythmias occurred after 3-6 hours. In 13 dogs with temporary occlusion, ventricular arrhythmias occu...
OBJECTIVE To elucidate the value of early computed tomographic (CT) signs of stroke in predicting the occlusion site in the cerebral arteries. PATIENTS 105 consecutive patients with acute embolic stroke affecting the anterior circulation. METHODS Four early signs were evaluated on cranial CT within six hours of stroke onset: loss of the insular ribbon (LIR); attenuation of the lentiform nuc...
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