نتایج جستجو برای: contouring
تعداد نتایج: 1874 فیلتر نتایج به سال:
Glacier mass balance is estimated for South Cascade Glacier and Maclure Glacier using a one-dimensional regression of mass balance with altitude as an alternative to the traditional approach of contouring mass balance values. One attractive feature of regression is that it can be applied to sparse data sets where contouring is not possible and can provide an objective error of the resulting est...
A model of a mobile setup for shape reconstruction is presented. In this technique, the contouring is performed by laser scanning and image processing. The devices of this setup can be moved to examine occluded areas and small details. The algorithm of triangulation method computes the object dimensions from the deformation of a laser line and the camera position. This model improves the perfor...
This paper presents an improved GrowCut (IGC), a positron emission tomography-based segmentation algorithm, and tests its clinical applicability. Contrary to the traditional method that requires the user to provide the initial seeds, the IGC algorithm starts with a threshold-based estimate of the tumor and a three-dimensional morphologically grown shell around the tumor as the foreground and ba...
In this paper, we will show that contouring performance can be viewed as a regulation problem in a moving task coordinate frame that is attached to the desired contour. By transforming the machine tool feed drive dynamics to this task coordinate frame, a control law is designed to assign different dynamics to the tangential and normal directions. The transformation also illustrated the effect o...
BACKGROUND: Contouring of the nasolacrimal sulcus area is becoming an increasingly popular procedure due to rapid onset a pronounced aesthetic result, however, in recent years there has been increase pool complications both early and late post-injection recovery period. At same time, are no differentiated approaches choice physiotherapy techniques their combinations depending on genetic profile...
PURPOSE To develop contouring guidelines to be used in the Radiation Therapy Oncology Group protocol 0848, a Phase III randomized trial evaluating the benefit of adjuvant chemoradiation in patients with resected head of pancreas cancer. METHODS AND MATERIALS A consensus committee of six radiation oncologists with expertise in gastrointestinal radiotherapy developed stepwise contouring guideli...
This study introduces a novel liver segmentation approach for estimating anatomic liver volumes towards selective internal radiation treatment (SIRT). The algorithm requires minimal human interaction since the initialization process to segment the entire liver in 3D relied on a single computed tomography (CT) slice. The algorithm integrates a localized contouring algorithm with a modified k-mea...
BACKGROUND Research demonstrates a link between obesity and increased circulating inflammatory cytokines, which lead to changes in the microvasculature. Massive weight loss patients often experience delayed wound healing after body-contouring procedures; however, no studies exist to explore the inflammatory response of massive weight loss on microvasculature. This study hypothesized that massiv...
I reviewed this book with interest, which I found invaluable in many aspects. This book falls in 214 pages and divided into 11 chapters, and has a good hard paper cover. The book starts with a brief description of the most common bariatric surgical procedure, which is well illustrated to provide vast information on these procedures. It guides the reader through the aftermath of the bariatric su...
Generally, the global histogram equalization of contrast enhancement methods was used in various application fields because of its simple and effective function. But, as it has a disadvantage that the brightness of an image is changed excessively, in spite of heavy computational complexity, overlapped sub-block histogram equalization method reflecting local histogram properties is used mainly. ...
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