Quantitative evaluation on heat kernel permutation invariants


Xiao, B., Wilson, R. C. and Hancock, E. R., 2008. Quantitative evaluation on heat kernel permutation invariants. In: Structural, Syntactic, and Statistical Pattern Recognition. Proceedings of the Joint IAPR International Workshop, SSPR & SPR 2008. Vol. 5342/2008. Berlin / Heidelberg: Springer, pp. 217-226. (Lecture Notes in Computer Science)

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The Laplacian spectrum has proved useful for pattern analysis tasks, and one of its important properties is its close relationship with the heat equation. In this paper, we first show how permutation invariants computed from the trace of the heat kernel can be used to characterize graphs for the purposes of measuring similarity and clustering. We explore three different approaches to characterize the heat kernel trace as a function of time. These are the heat kernel trace moments, heat content invariants and symmetric polynomials with Laplacian eigenvalues as inputs. We then use synthetic and real world datasets to give a quantitative evaluation of these feature invariants deduced from heat kernel analysis. We compare their performance with traditional spectrum invariants.


Item Type Book Sections
CreatorsXiao, B., Wilson, R. C. and Hancock, E. R.
Uncontrolled Keywordstechnical presentations, pattern recognition, surface plasmon resonance, syntactics, laplace transforms
DepartmentsFaculty of Science > Computer Science
ID Code12632
Additional InformationJoint IAPR International Workshop, SSPR & SPR 2008, Orlando, USA, December 4-6, 2008. Proceedings


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