SAMBA: Steadied Choreographies

dc.contributor.authorRossignac, Jareken_US
dc.contributor.authorLuffel, Marken_US
dc.contributor.authorVinacua, Alvaren_US
dc.contributor.editorDouglas Cunningham and Donald Houseen_US
dc.date.accessioned2013-10-22T07:12:42Z
dc.date.available2013-10-22T07:12:42Z
dc.date.issued2012en_US
dc.description.abstractGiven the start positions of a group of dancers, a choreographer specifies their end positions and says: ''Run!'' Each dancer has the choice of his/her motion. These choices influence the perceived beauty (or grace) of the overall choreography. We report experiments with an automatic approach, SAMBA, that computes a pleasing choreography. Rossignac and Vinacua focused on affine motions, which, in the plane, correspond to choreographies for three independent dancers. They proposed the inverse of the Average Relative Acceleration (ARA) as a measure of grace and their Steady Affine Morph (SAM) as the most graceful interpolating motion. Here, we extend their approach to larger groups. We start with a discretized (uniformly time-sampled) choreography, where each dancer moves with constant speed. Each SAMBA iteration steadies the choreography by tweaking the positions of dancers at all intermediate frames towards corresponding predicted positions. The prediction for the position of dancer at a given frame is computed by using a novel combination of a distance weighted, least-squares registration between a previous and a subsequent frame and of a modified SAM interpolation. SAMBA is fully automatic, converges in a fraction of a second, and produces pleasing and interesting motions.en_US
dc.description.seriesinformationComputational Aesthetics in Graphics, Visualization, and Imagingen_US
dc.identifier.isbn978-3-905674-43-9en_US
dc.identifier.issn1816-0859en_US
dc.identifier.urihttps://doi.org/10.2312/COMPAESTH/COMPAESTH12/001-009en_US
dc.publisherThe Eurographics Associationen_US
dc.subjectCategories and Subject Descriptors (according to ACM CCS): I.3.3 [Computer Graphics]: Line and Curve Generation-I.3.7 [Computer Graphics]: Animation-I.2.10 [Image Processing and Computer Vision]: Motionen_US
dc.titleSAMBA: Steadied Choreographiesen_US
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