نتایج جستجو برای: contouring

تعداد نتایج: 1874  

2000
ALDO VECCHIA

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...

2012
Alexei Mordvinov

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...

Journal: :Journal of medical imaging 2017
Hannah Mary T Thomas Devadhas Devakumar Balukrishna Sasidharan Stephen R Bowen Danie Kingslin Heck E James Jebaseelan Samuel

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...

Journal: :IEEE Trans. Contr. Sys. Techn. 2001
George T.-C. Chiu Masayoshi Tomizuka

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...

Journal: : 2023

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...

Journal: :International journal of radiation oncology, biology, physics 2012
Karyn A Goodman William F Regine Laura A Dawson Edgar Ben-Josef Karin Haustermans Walter R Bosch Julius Turian Ross A Abrams

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...

2014
Mohammed Goryawala Seza Gulec Ruchir Bhatt Anthony J McGoron Malek Adjouadi

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...

Journal: :Plastic and reconstructive surgery 2015
Evan B Katzel Sameer Shakir Nataliya Kostereva Bernd Lannau Michael Gimbel Vu T Nguyen Carolyn De La Cruz Kacey Marra Jeffrey A Gusenoff

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...

2014
Abdullah Al Zahrani Seth R. Thaller Mimis Cohen

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...

2010
JONG-HEE HWANG JEAN Y. SONG YOON-SIK CHOE

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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