نتایج جستجو برای: الگوریتم تکراری نزدیکترین نقاط icp
تعداد نتایج: 60233 فیلتر نتایج به سال:
بهرهبرداری بهینه از مخازن چندمنظوره یکی از مسائل پیچیده و گاهاً غیرخطی مطرح در بهینهسازی چندهدفه است. الگوریتمهای فراکاوشی ابزار بهینهسازی مناسبی هستند که با شبیهسازی رفتار جانداران به جستجوی فضای تصمیم پرداخته و امکان ارائه مجموعهای از نقاط را بهعنوان مجموعه جواب مسئله دارند. لذا در این تحقیق، کاربرد الگوریتم MOPSO در مسئله بهرهبرداری بهینه از مخزن بازفت، با اهداف تولید انرژی برقابی، تأ...
امروزه، مدل های دقیق رایانه ای کاربرد وسیعی در بهین هسازی مهندسی پیدا کرده اند . ارزیابی و محاسبه اکثر این مدل ها، نیازمند صرف زمان و هزینه زیادی است . در این مقاله یک روش جدید فرامد لسازی ترکیبی به منظور کاهش بار محاسباتی برای رسیدن به جواب بهینه در مسائل مدل سازی ارائه شده، این الگوریتم در ابتدا تعدادی نقاط نمونه ایجاد کرده، مقادیر پاسخ آنها را با استفاده از محاسبات دقیق به دست آورده و ...
We describe the structure and functionality of the Internet Cache Protocol (ICP) and its implementation in the Squid Web Caching software. ICP is a lightweight message format used for communication among Web caches. Caches exchange ICP queries and replies to gather information to use in selecting the most appropriate location from which to retrieve an object. We present background on the histor...
Intracranial pressure (ICP) monitoring was carried out in 100 patients with severe acute brain trauma, primarily by means of a subarachnoid catheter. Statistical associations were evaluated between maximum ICP values and: 1) Glasgow Coma Scale (GCS) scores; 2) findings on computed tomography (CT) scans of the head; and 3) mortality. A significant association was found between low GCS scores (3 ...
BACKGROUND Intracranial pressure (ICP) monitoring is a cornerstone of care for severe traumatic brain injury (TBI). Management of ICP can help ensure adequate cerebral blood flow and oxygenation. However, studies indicate that brain hypoxia may occur despite normal ICP and the relationship between ICP and brain oxygenation is poorly defined. This is particularly important for children in whom l...
A recent study has reported an excellent correlation between intraocular pressure (IOP) and intracranial pressure (ICP), suggesting that measurement of IOP may serve as a noninvasive means to determine ICP. To reexamine the relation between IOP and ICP, we reviewed the medical records of all patients who underwent lumbar puncture between 1991 and 2007 in the neuro-ophthalmology clinic at the Un...
The Iterative Closest Point (ICP) algorithm can accurately register and match 3D rigid surfaces. However, when it comes to non-rigid or semi-rigid surfaces such as the human face, the performance of ICP drops significantly. In this paper, we extend the ICP algorithm and propose a Semi-Rigid ICP algorithm which can match and register semi-rigid surfaces. We compare the performance of SRICP and I...
Sudden increases in intracranial pressure (ICP) are extremely serious and can be life-threatening. Up to the present moment, effective methods have been studied to return the ICP to normal levels after a rapid increase has occurred. This study analyzes different characteristics of the ICP signal just prior to the occurrence of an increase, and compares it with the characteristics of the signal ...
The purpose of this paper is to study the influence of face expressions on the performance of a 3D face recognition algorithm. Three facial surface matching based algorithms, namely ICP, Localized ICP (LICP) and Region-based ICP (R-ICP), are benchmarked on several sets of data : the two first sets with neutral faces and the last with expressive ones. Results show that the R-ICP algorithm provid...
BACKGROUND The diagnostic gold standard for diagnosing chronic exertional compartment syndrome (CECS) is a dynamic intracompartmental pressure (ICP) measurement of the muscle. The potential role of a repeat ICP (re-ICP) measurement in patients with persistent lower leg symptoms after surgical decompression or with ongoing symptoms after an earlier normal ICP is unknown. PURPOSE To study wheth...
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