Sökning: "shape deformation"

Visar resultat 1 - 5 av 129 avhandlingar innehållade orden shape deformation.

  1. 1. Towards Intelligent Deformable Models for Medical Image Analysis

    Författare :Ghassan Hamarneh; Chalmers University of Technology; []
    Nyckelord :shape modeling; deformable models; principal component analysis; echocardiography; snakes; active shape models; deformable spatio-temporal shape models; medial-based shape profiles; statistical shape variation; spatio-temporal shape analysis; magnetic resonance imaging; hierarchical regional principal component analysis; oral lesions; dynamic programming; segmentation; spring-mass model; shape deformation; optical flow; medical image analysis; artificial life; physics-based modeling; deformable organisms; digital color images; medial axis; active contour models;

    Sammanfattning : Medical imaging continues to permeate the practice of medicine, but automated yet accurate segmentation and labeling of anatomical structures continues to be a major obstacle to computerized medical image analysis (MIA). Deformable models, with its profound roots in estimation theory, optimization, and physics-based dynamical systems, represent a powerful approach to the general problem of medical image segmentation. LÄS MER

  2. 2. Influence of aggregates on permanent deformation of asphalt

    Författare :Bernardita Francisca Lira Miranda; Robert Lundström; Stefan Larsson; Alan Carter; KTH; []
    Nyckelord :ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Asphalt; deformation; rutting; gradation; flakiness index; Asfalt; kornstorleksfördelning; flisighetsindex; permanent deformation; spårbildning.; Soil and Rock Mechanics; Jord- och bergmekanik;

    Sammanfattning : One of the most common failure modes for asphalt pavements is the occurrence of permanent deformation on the wheel path. This leads to not only other distresses, such as potholes and stripping, but also decreases substantially road safety and increases maintenance costs. LÄS MER

  3. 3. Shaping of Food Microstructures

    Författare :Lars Hamberg; Chalmers University of Technology; []
    Nyckelord :food microstructure; flow; emulsion; carrageenan whey protein isolates; shaping; aggregate; gelatine; suspension; gel formation; particle; Fourier shape description; shape; shape measurements;

    Sammanfattning : Shape, the shaping process and the functionality of shape for food microstructure are the focus of this thesis. Shape is one of the parameters that influences the microstructure functionality; hence microstructure shape optimisation is an interesting task in the development of new functional materials and processes, especially for food, in which structure-related texture is an essential part of the product. LÄS MER

  4. 4. Interferometric 3D-shape and deformation measurements using ultra short pulses

    Författare :Bengt Nilsson; KTH; []
    Nyckelord :Measurements; Ultra short pulses; Deformation measurements; Coherences; Speckle; Holographies; Holographic; Coherence radars;

    Sammanfattning : .... LÄS MER

  5. 5. Modeling internal deformation of salt structures targeted for radioactive waste disposal

    Författare :Zurab Chemia; Hemin Koyi; Harro Schmeling; Ian Alsop; Uppsala universitet; []
    Nyckelord :salt; diapir; anhydrite; deformation; entrainment; numerical modeling; rheology; sinking; Gorleben;

    Sammanfattning : This thesis uses results of systematic numerical models to argue that externally inactive salt structures, which are potential targets for radioactive waste disposal, might be internally active due to the presence of dense layers or blocks within a salt layer.The three papers that support this thesis use the Gorleben salt diapir (NW Germany), which was targeted as a future final repository for high-grade radioactive waste, as a general guideline. LÄS MER