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1.	Arcelli, Carlo, et al. (author) Computing and analysing convex deficiencies to characterise 3D complex objects 2005 In: Image and Vision Computing: Discrete Geometry for Computer Imagery. ; 23:2, s. 203-211 Journal article (peer-reviewed)abstract Entities such as object components, cavities, tunnels and concavities in 3D digital images can be useful in the framework of object analysis. For each object component, we first identify its convex deficiencies, by subtracting the object component from a covering polyhedron approximating the convex hull. Watershed segmentation is then used to decompose complex convex deficiencies into simpler parts, corresponding to individual cavities, concavities and tunnels of the object component. These entities are finally described by means of a representation system accounting for the shape features characterising them.
2.	Svensson, Stina, et al. (author) Characterising 3D Objects by Shape and Topology 2003 In: Discrete Geometry for Computer Imagery. - 3540204997 ; , s. 124-133 Conference paper (peer-reviewed)
3.	Svensson, Stina, et al. (author) Finding Cavities and Tunnels in 3D Complex Objects 2003 Conference paper (peer-reviewed)abstract Topological properties are global features that can be useful for recognition of digital objects. For example, this is the case for objects having complex shape without being decomposable into meaningful simple parts. In the case of 3D binary images, top
4.	Svensson, Stina, et al. (author) Using grey-level and distance information for medial surfacerepresentation of volume images 2002 Conference paper (peer-reviewed)abstract A medial surface representation of a grey-level volume image is computed. The foreground is reduced to a subset topologically equivalent to the initial foreground and mainly consisting of surfaces centred within regions having locally higher intensities,

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Type of publication: conference paper (3); journal article (1)

Type of content: peer-reviewed (4)

Author/Editor: Arcelli, Carlo (4); Sanniti di Baja, Gab ... (4); Svensson, Stina (4); Nyström, Ingela (1)

University: Uppsala University (4)

Language: English (4)

Research subject (UKÄ/SCB): Natural sciences (4)

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