نتایج جستجو برای: profile reconstruction
تعداد نتایج: 342569 فیلتر نتایج به سال:
In this paper, image reconstruction technique (IRT) is used to reconstruct a 3-D profile of typhoons from MTSAT satellite cloud image data and based on a 1691 MHz receiver and iDAP system. The satellite cloud image data gives a single line profile slicing from a surface cloud image which does match the typhoon distribution. The line profile is presented with the temperature of the cloud top. Th...
Motivated by the current requirements of archaeologists, we are developing an automated archival system for archaeological classification and reconstruction of ceramics. Our system uses the profile of an archaeological fragment, which is the cross-section of the fragment in the direction of the rotational axis of symmetry, to classify and reconstruct it virtually. Ceramic fragments are recorded...
for the first time we have used eyelid skin expansion to facilitate reconstruction of selected patients with shortage of lid skin (e.g. for burn scar and after excision of tumors). this method allows for a controlled increase in skin, need for reconstruction, and offers many advantages over grafted skin transfered from a distance. color, texture, thinness, delicacy and adnexal structures are ae...
The problem of recovering the initial temperature of a body from discrete temperature measurements made at later times is studied. While this problem has a general formulation, the results of this paper are only given in the simplest setting of a finite (onedimensional), constant coefficient, linear rod. It is shown that with a judicious placement of a thermometer on this rod, the initial tempe...
OBJECTIVES Non-vascularized iliac crest bone graft (NVIBG) is a known treatment option in mandibular reconstruction following jaw resection, but no documented review of patients treated with NVIBG exists for northern Nigeria. The experience and technique from a Nigerian tertiary hospital may serve as baseline data for comparison and improvement of practice for other institutions. MATERIALS AN...
The reconstruction of MR images from nonrectilinearly sampled data is complicated by the fact that the inverse 2D Fourier transform (FT) cannot be performed directly on the acquired k-space data set. k-Space gridding is commonly used because it is an efficient reconstruction method. However, conventional gridding requires optimized density compensation functions (DCFs) to avoid profile distorti...
BACKGROUND The best treatment for nipple malposition following nipple-sparing mastectomy is prevention. This article reviews basic elements for success in nipple-sparing mastectomy and offers an option to patients with grade 2-3 breast ptosis who strongly desire to preserve the nipple. METHODS Retrospective review identified patients undergoing nipple-sparing mastectomy and immediate reconstr...
Objective: Observational studies are essential for ensuring patient safety, decreasing complications, and developing better surgical techniques and implants. The primary objective of this study is to demonstrate the safety and efficacy of Sebbin breast implants in both augmentation and reconstruction cohorts. Methods: This prospective, multicenter, observational 10-year study conducted in Franc...
We compared metal artifact in X-ray digital tomosynthesis (DT) and modern computed tomography (CT) reconstruction to improve the image quality. We compared the images of a prosthetic phantom (titanium) and a contrast-detail phantom obtained by DT using conventional filtered backprojection (FBP), metal artifact reduction (MAR) processing, and simultaneous iterative reconstruction technique (SIRT...
In reverse engineering, reconstruction of 3D point cloud data is the key step to acquire the final profile of the object. However, the quality of 3D reconstruction is influenced by noise in the three-dimensional measurement. This paper aims to tackle the issue of removing the noisy data from the complex point cloud data. The 3D-GPF (Three Dimensional Global Phase Filtering) global phase filteri...
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