Sökning: "fiducial markers"

Visar resultat 1 - 5 av 12 uppsatser innehållade orden fiducial markers.

  1. 1. Radiotherapy treatment strategy for prostate cancer with lymph node involvement

    Master-uppsats, Umeå universitet/Institutionen för fysik

    Författare :Amanda Östensson; [2023]
    Nyckelord :Radiotherapy; prostate cancer; lymph node; gold fiducial marker; multiple target;

    Sammanfattning : Radiotherapy is a common and useful method for treating prostate cancer, often using gold fiducial markers in the prostate as guidance. However, when there is a high risk of lymph node involvement, the independent motion of volumes causes complications in patient positioning since there is a choice between position against the gold fiducial markers or the bone anatomy. LÄS MER

  3. 2. Autonomous Quadcopter Landing with Visual Platform Localization

    Uppsats för yrkesexamina på avancerad nivå, Luleå tekniska universitet/Institutionen för system- och rymdteknik

    Författare :Martin Blaszczyk; [2023]
    Nyckelord :UAV; Autonomy; Landing; Fiducial markers; QR; QR-code; Drone; Platform; MPC; UAV control;

    Sammanfattning : Multicopters such as quadcopters are a popular tool within industries such as mining, shipping and surveillance where a high level of autonomy can save time, increase efficiency and most importantly provide safety. While Unmanned Aerial Vehicles have been a big area in research and used in the mentioned industries, the level of autonomy is still low. LÄS MER

  4. 3. Collision Avoidance for Complex and Dynamic Obstacles : A study for warehouse safety

    Master-uppsats, Linköpings universitet/Reglerteknik

    Författare :Sandra Ljungberg; Ester Brandås; [2022]
    Nyckelord :Object Detection; Object Tracking; Obstacle Avoidance; Collision Avoidance; Automated Guided Vehicle;

    Sammanfattning : Today a group of automated guided vehicles at Toyota Material Handling Manufacturing Sweden detect and avoid objects primarily by using 2D-LiDAR, with shortcomings being the limitation of only scanning the area in a 2D plane and missing objects close to the ground. Several dynamic obstacles exist in the environment of the vehicles. LÄS MER

  5. 4. Pose Estimation and 3D Reconstruction for 3D Dispensing

    Master-uppsats, KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Författare :Subramanian Murali Ram; [2020]
    Nyckelord :;

    Sammanfattning : Currently in most of the cases the material deposition or dispensing is done only on planar surfaces, in applications such as extrusion 3D printing and surface mount technology (SMT) electronics assembly solutions. In future, the dispensing will be carried out on arbitrary three dimensional objects, where the dispenser needs to know the exact shape and location of them. LÄS MER

  7. 5. Wheel alignment method feasibility study

    Master-uppsats, KTH/Fordonsdynamik

    Författare :Daniel Korhonen; [2020]
    Nyckelord :Wheel alignment; Computer vision; ArUco; Hjulinställning; Datorseende; ArUco;

    Sammanfattning : Throughout the history of motor vehicles, the tyres have always been consideredas one of the most important components of the vehicle due to their interactionwith the road. One important aspect is the wheel alignment, with the purposeto adjust the static wheel angles that are essential for many reasons, such assafety and fuel consumption for instance. LÄS MER