Essays about: "re-planning"

Showing result 1 - 5 of 13 essays containing the word re-planning.

  1. 1. Evaluating aperture shape controller (ASC) in modulated radiation treatments

    University essay from

    Author : Vilma Andrén Cederholm; [2023-09-28]
    Keywords : Medical physics;

    Abstract : To decrease aperture complexity, the aperture shape controller (ASC) is a recently introduced function in Eclipse external beam planning (Varian Medical Systems, Palo Alto, USA). ASC works within the photon optimizer, minimizing distances between adjacent leaf tips of the MLC. READ MORE

  3. 2. Optimization-Based Path Planning For Indoor UAVs in an Autonomous Exploration Framework

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Marco Cella; [2023]
    Keywords : Optimal Path Planning; B-Splines; Autonomous Exploration; Indoor UAV; Crisis and Disaster Management; Trajectory Estimation; SITL; Optimal Banplanering; B-Splines; Autonom Utforskning; Inomhus-UAV; Kris- och Katastrofhantering; Uppskattning av Banor; SITL;

    Abstract : Exploration is a fundamental problem in robotics that requires robots to navigate through unknown environments to autonomously gather information about their surroundings while executing collision-free paths. In this project, we propose a method for producing smooth paths during the exploration process in indoor environments using UAVs to improve battery efficiency and enhance the quality of pose estimation. READ MORE

  4. 3. Uncertainties in the use of synthetic CT (sCT) for daily online adaptive radiotherapy for lung cancer

    University essay from Lunds universitet/Sjukhusfysikerutbildningen

    Author : Johansson Vivika; [2023]
    Keywords : Medicine and Health Sciences;

    Abstract : Background and purpose: Cone Beam Computed Tomography (CBCT) based online adaptive radiotherapy (oART) has been clinically implemented for several anatomical sites worldwide. However, random and abrupt anatomical changes with large density alterations can occur in lung patients, leading to uncertainties with synthetic computed tomography (sCT) and dose calculation. READ MORE

  5. 4. Project Planning and Re-planning in a Multiple Project Engineer-to-Order Context

    University essay from Karlstads universitet

    Author : Daniel Hult; Jonathan Carlsson; [2023]
    Keywords : Engineer-to-Order; multiple projects; project planning; planning flexibility; re-planning;

    Abstract : Uncertainty and complexity are two factors that make project planning a challenging task. Companies operating in a multiple project Engineer-to-Order environment face an additional dimension of difficulties because of interactions between projects. READ MORE

  6. 5. Surface Guided Helical Tomotherapy for Total Marrow Irradiation

    University essay from Lunds universitet/Sjukhusfysikerutbildningen

    Author : Hedda Enocson; [2022]
    Keywords : Medicine and Health Sciences;

    Abstract : Background: Total marrow irradiation (TMI) with helical tomotherapy treatment (HT-TMI) can be used as conditioning regimen for leukemia patients prior to stem cell transplantation by radiating the skeletal tissue. To ensure adequate dose coverage a margin is applied to the clinical target volume (CTV), i.e. planning target volume (PTV) margin. READ MORE