Essays about: "4D planning"

Showing result 6 - 7 of 7 essays containing the words 4D planning.

  1. 6. A comparative treatment planning study of radiotherapy of clinical liver- and stomach-cancer cases with either photon or proton beams

    University essay from Stockholms universitet/Fysikum

    Author : Gracinda Mondlane; [2014]
    Keywords : ;

    Abstract : There has been an increasing interest in proton beam therapy (PBT) in recent years related to the advantageous depth-dose characteristics of proton beams compared to what is achievable with standard external photon beam radiotherapy (RT). With PBT, improved target dose conformity can be achieved together with a reduction in the dose to the organs at risk (OARs). READ MORE

  3. 7. Segmentation of Carotid Arteries from 3D and 4D Ultrasound Images

    University essay from Bildbehandling; Tekniska högskolan

    Author : Per Mattsson; Andreas Eriksson; [2002]
    Keywords : Technology; Stroke; Carotid arteries; 3D Ultrasound; Adaptive Filtering; Segmentation; Edge Detection; Monga-Deriche-Canny; Seeded Region Growing; Inflatable Balloon Model; Finite Element Method; Triangulation; 4D wall motion; 3D compliance; TEKNIKVETENSKAP;

    Abstract : This thesis presents a 3D semi-automatic segmentation technique for extracting the lumen surface of the Carotid arteries including the bifurcation from 3D and 4D ultrasound examinations. Ultrasound images are inherently noisy. READ MORE