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    Shape Matching and Map Space Exploration via Functional Maps

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    Type
    Dissertation
    Authors
    Ren, Jing cc
    Advisors
    Wonka, Peter cc
    Committee members
    Ovsjanikov, Maks cc
    Ghanem, Bernard cc
    Pottmann, Helmut cc
    Solomon, Justin
    Program
    Computer Science
    KAUST Department
    Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division
    Date
    2021-07-29
    Permanent link to this record
    http://hdl.handle.net/10754/670353
    
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    Abstract
    Computing correspondences or maps between shapes is one of the oldest problems in Computer Graphics and Geometry Processing with a wide range of applications from deformation transfer, statistical shape analysis, to co-segmentation and exploration among a myriad others. A good map is supposed to be continuous, as-bijective-as-possible, accurate if there are ground-truth corresponding landmarks given, and lowdistortionw.r.t. different measures, for example as-conformal-as-possible to preserve the angles. This thesis contributes to the area of non-rigid shape matching and map space exploration in Geometry Processing. Specifically, we consider the discrete setting, where the shapes are discretized as amesh structure consisting of vertices, edges, and polygonal faces. In the simplest case, we only consider the graph structure with vertices and edges only. In this thesis, we design algorithms to compute soft correspondences between discrete shapes. Specifically, (1)we propose different regularizers, including orientation-preserving operator and the Resolvent Laplacian Commutativity operator, to promote the shape correspondences in the functional map framework. (2) We propose two refinement methods, namely BCICP and ZoomOut, to improve the accuracy, continuity, bijectivity and the coverage of given point-wisemaps. (3)We propose a tree structure and an enumeration algorithm to explore the map space between a pair of shapes that can update multiple high-quality dense correspondences.
    Citation
    Ren, J. (2021). Shape Matching and Map Space Exploration via Functional Maps. KAUST Research Repository. https://doi.org/10.25781/KAUST-27S51
    DOI
    10.25781/KAUST-27S51
    ae974a485f413a2113503eed53cd6c53
    10.25781/KAUST-27S51
    Scopus Count
    Collections
    PhD Dissertations; Computer Science Program; Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division

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