Daisuke Sakurai

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Scalar topology in the form of Morse theory has provided computational tools that analyze and visualize data from scientific and engineering tasks. Contracting isocontours to single points encapsulates variations in isocontour connectivity in the Reeb graph. For multivariate data, isocontours generalize to fibers-inverse images of points in the range, and(More)
Scalar topology in the form of Morse theory has provided computational tools that analyze and visualize data from scientific and engineering tasks. Contracting isocontours to single points encapsulates variations in isocontour connectivity in the Reeb graph. For multivariate data, isocontours generalize to fibers-inverse images of points in the range, and(More)
In recent years, Ambient service has attracted attention as a ubiquitous, future intelligence infrastructure. The Ambient service provides service suitable for user needs automatically by making a sensor and a computer cooperate, and gathering and analyzing the information about each user. However, with the Ambient service, in order to manage personal(More)
Generating quadrilateral meshes is very important in many industrial applications such as finite element analysis and B-spline surface fitting. However , it is still a challenging task to design appropriate vertex connectivity in the quadrilateral meshes by respecting the shapes of the target object and its boundary. This paper presents an approach for(More)
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