نتایج جستجو برای: occlusion primate space

تعداد نتایج: 563700  

Journal: :gastroenterology and hepatology from bed to bench 0
giacomo caio university of bologna roberto de giorgio university of bologna alessandro venturi university of bologna fiorella giancola university of bologna rocco latorre university of bologna elisa boschetti

abstract aim: to assess anti-neuronal antibodies (na) prevalence and their correlation with neurological disorders and bowel habits in celiac disease (cd) patients. background: neurological manifestations are estimated to occur in about 10% of celiac disease patients and na to central nervous system (cns) and enteric nervous system (ens) are found in a significant proportion of them. little is ...

Journal: :dental research journal 0
deepak p bhayya tarulatha r shyagali uma b dixit shiva prakash

background : to assess the prevalence of malocclusion and to determine the different occlusal characteristics in primary dentition of 4 to 6 years old children in india. materials and methods : the target population comprised 4 to 6 years old children attending different nursery, kindergarten and primary schools of bagalkot city. stratifi ed cluster random sampling procedure was executed to col...

2003
D. Staneker

Image-space occlusion culling is an useful approach to reduce the rendering load of large polygonal models in scientific computing, mechanical engineering, or virtual medicine. Like most large model techniques, occlusion culling trades overhead costs with the rendering costs of the possibly occluded geometry. In this paper we present an occlusion culling toolkit for OpenSG. The toolkit includes...

In this paper, attempting to improve the recognition rate and solve some problems such as pose, lighting variations and partial occlusion in video sequences using Orthogonal Locality Preserving Projection (OLPP). In this research, first of all face in video frames is detected for background removing. Then each set of images is distributed on a nonlinear manifold and clustered using appropriate ...

2009
Christoph K. Reinbothe Tamy Boubekeur Marc Alexa

Ambient occlusion captures a subset of global illumination effects, by computing for each point of the surface the amount of incoming light from all directions and considering potential occlusion by neighboring geometry. We introduce an approach to ambient occlusion combining object and image space techniques in a deferred shading context. It is composed of three key steps: an on-the-fly voxeli...

2015
Xiaodong Zhang Frank Tong Chun-Xia Li Yumei Yan Doty Kempf Govind Nair Silun Wang E. Chris Muly Stuart Zola Leonard Howell

BACKGROUND AND PURPOSE Diffusion-weighted imaging (DWI) and perfusion MRI were used to examine the spatiotemporal evolution of stroke lesions in adult macaques with ischemic occlusion. METHODS Permanent MCA occlusion was induced with silk sutures through an interventional approach via the femoral artery in adult rhesus monkeys (n = 8, 10-21 years old). The stroke lesions were examined with hi...

Journal: :Investigative ophthalmology & visual science 1981
G K von Noorden M L Crawford

To explore the premise that the immature primate visual system responds differently to total unilateral occlusion (no competitive abnormal binocular interaction) than it does to lid suture, one eye in two infant Macaca mulatta was completely occluded with optically opaque material. After a recovery period of 2 months, single cell responses from the striate cortex were recorded, and the lateral ...

Journal: :iranian journal of neurology 0
masoud mehrpour

one of the signifiant risk factor of ischemic stroke is carotid artery occlusion. although surgical treatment was disappointing in these patient but there is a growing reports of sucessful endovascular treatment recently. in this technical note 56 year-old man who suffered from bilateral carotid occlusion was revascularized. the penumbra thrombosuction system was applied to reduce the risk of d...

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