An occlusion calculus based on an interval algebra
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2016
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Paulo Santos
LIGOZAT, G.
SAFI-SAMGHABAD, M.
LIGOZAT, G.
SAFI-SAMGHABAD, M.
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Proceedings - 2015 Brazilian Conference on Intelligent Systems, BRACIS 2015
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SANTOS, P. E.; LIGOZAT, G.; LIGOZAT, G. An occlusion calculus based on an interval algebra. Proceedings - 2015 Brazilian Conference on Intelligent Systems, BRACIS 2015, p. 128-133, nov. 2016.
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© 2015 IEEE.This paper introduces a new qualitative spatial reasoning formalism, called Interval Occlusion Calculus (IOC), that takes into account multiple viewpoints of a scene. This formalism extends Allen's Algebra by including an interval-based definition for spatial occlusion. We prove that IOC is a relation algebra and show complexity results for this formalism.