Conference Paper

Description of Surfaces in Parallel Coordinates by Linked Planar Regions.

DOI: 10.1007/978-3-540-73843-5_12 Conference: Mathematics of Surfaces XII, 12th IMA International Conference, Sheffield, UK, September 4-6, 2007, Proceedings
Source: DBLP

ABSTRACT An overview of the methodology covers the representation (i.e. visualization) of multidimensional lines, planes, flats, hyperplanes,
and curves. Starting with the visualization of hypercubes of arbitrary dimension the representation of smooth surfaces is
developed in terms of linked planar regions. The representation of developable, ruled, non-orientable, convex and non-convex surfaces in ℝ3 with generalizations to ℝ
N
are presented enabling efficient visual detection of surface properties. The parallel coordinates methodology has been applied
to collision avoidance algorithms for air traffic control (3 USA patents), computer vision (1 USA patent), data mining (1
USA patent), optimization and elsewhere.

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    ABSTRACT: With parallel coordinates multivariate relations and multidimensional problems can be visualized [7], [9], [8]. After an overview providing foundational understanding, we focus on some exciting recent results [6]. Hypersurfaces in Ndimensions are represented by their normal vectors, which are mapped into (N – 1) points in ℝ2, forming (N – 1) planar regions. In turn the shape and interior of these regions reveal key properties of the hypersurface. Convexity, various nonconvexities and even non-orientability (as for the Möbius strip) can be detected and “viewed” in high dimensions from just one orientation making this surface representation preferable even for some applications in 3-dimensions. Examples of data exploration & classification and Decision Support are illustrated at the end. The parallel coordinatesmethodology has been applied to collision avoidance algorithms for air traffic control (3 USA patents), computer vision (USA patent), data mining (USA patent) for data exploration, automatic classification, optimization, process control and elsewhere.
    10/2009: pages 123-141;

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