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    CCCG
    2007
    94views Computational Geometry» more  CCCG 2007»
    Optimistic and Pessimistic Shortest Paths on Uncertain Terrains
    14 years 9 months ago
    Optimistic and Pessimistic Shortest Paths on Uncertain Terrains
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    Yury Kholondyrev, William Evans
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    CCCG
    2007
    80views Computational Geometry» more  CCCG 2007»
    Fast Computation of Smallest Enclosing Circle with Center on a Query Line Segment
    14 years 9 months ago
    Fast Computation of Smallest Enclosing Circle with Center on a Query Line Segment
    Download  cccg.ca
    Here we propose an efficient algorithm for computing the smallest enclosing circle whose center is constrained to lie on a query line segment. Our algorithm preprocesses a given s...
    Arindam Karmakar, Sasanka Roy, Sandip Das
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    CCCG
    2007
    96views Computational Geometry» more  CCCG 2007»
    Hamilton Circuits in Hexagonal Grid Graphs
    14 years 9 months ago
    Hamilton Circuits in Hexagonal Grid Graphs
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    We look at a variant of the Hamilton circuit problem, where the input is restricted to hexagonal grid graphs. A hexagonal grid graph has a vertex set that is a subset of the grid ...
    Kamrul Islam, Henk Meijer, Yurai Núñ...
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    CCCG
    2007
    108views Computational Geometry» more  CCCG 2007»
    Approximation Algorithms for the Minimum-Length Corridor and Related Problems
    14 years 9 months ago
    Approximation Algorithms for the Minimum-Length Corridor and Related Problems
    Download  cccg.ca
    Given a rectangular boundary partitioned into rectangles, the MLC-R problem is to find a Minimum EdgeLength Corridor that visits at least one point from the boundary of every rec...
    Arturo Gonzalez-Gutierrez, Teofilo F. Gonzalez
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    CCCG
    2007
    118views Computational Geometry» more  CCCG 2007»
    Medial Axis Approximation of Planar Shapes from Union of Balls: A Simpler and more Robust Algorithm
    14 years 9 months ago
    Medial Axis Approximation of Planar Shapes from Union of Balls: A Simpler and more Robust Algorithm
    Download  data.agg.ethz.ch
    Given a dense sampling S of the smooth boundary of a planar shape O. We show that the medial axis of the union of Voronoi balls centered at Voronoi vertices inside O has a particu...
    Joachim Giesen, Balint Miklos, Mark Pauly
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    CCCG
    2007
    90views Computational Geometry» more  CCCG 2007»
    Straight-line Drawings of Outerplanar Graphs in O(dn log n) Area
    14 years 9 months ago
    Straight-line Drawings of Outerplanar Graphs in O(dn log n) Area
    Download  cccg.ca
    We show an algorithm for constructing O(dn log n) area outerplanar straight-line drawings of n-vertex outerplanar graphs with degree d. Also, we settle in the negative a conjectur...
    Fabrizio Frati
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    CCCG
    2007
    131views Computational Geometry» more  CCCG 2007»
    Computing Acute and Non-obtuse Triangulations
    14 years 9 months ago
    Computing Acute and Non-obtuse Triangulations
    Download  cccg.ca
    We propose a method for computing acute (non-obtuse) triangulations. That is, for a given two dimensional domain (a set of points or a planar straight line graph), we compute a tr...
    Hale Erten, Alper Üngör
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    CCCG
    2007
    91views Computational Geometry» more  CCCG 2007»
    Open Problems from CCCG 2006
    14 years 9 months ago
    Open Problems from CCCG 2006
    Download  erikdemaine.org
    Erik D. Demaine, Joseph O'Rourke
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    CCCG
    2007
    75views Computational Geometry» more  CCCG 2007»
    On Rolling Cube Puzzles
    14 years 9 months ago
    On Rolling Cube Puzzles
    Download  cccg.ca
    We analyze the computational complexity of various rolling cube puzzles.
    Kevin Buchin, Maike Buchin, Erik D. Demaine, Marti...
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    CCCG
    2007
    111views Computational Geometry» more  CCCG 2007»
    A Lower Bound on the Area of a 3-Coloured Disc Packing
    14 years 9 months ago
    A Lower Bound on the Area of a 3-Coloured Disc Packing
    Download  www.cs.uwaterloo.ca
    Given a set of unit-discs in the plane with union area A, what fraction of A can be covered by selecting a pairwise disjoint subset of the discs? Rado conjectured
    Peter Brass, Ferran Hurtado, Benjamin J. Lafrenier...
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