Title :
An invariant variational principle for model-based interpolation of high dimensional clustered data
Author :
Venkatesan, R.C.
Author_Institution :
Syst. Res. Corp., Pune, India
Abstract :
A self-consistent scheme based on the calculus of infinitesimal transformations, that describes model based interpolation of high dimensional data, constrained to lie on a nonlinear manifold is expressed as a dynamical system. The variational formulation derived for a single cluster is extended to the case of finite mixture models. The suggested formulation is shown to be qualitatively dissimilar properties, and exhibits greater computational efficiency, as compared with a scheme derived using “classical” variational calculus
Keywords :
image coding; image segmentation; interpolation; pattern clustering; variational techniques; clustered data; finite mixture models; image coding; image segmentation; invariant variational principle; model-based interpolation; nonlinear manifold; variational calculus; Bandwidth; Calculus; Differential equations; Image coding; Image processing; Interpolation; Linear approximation; Prototypes; Speech recognition; Teleconferencing;
Conference_Titel :
Neural Networks, 2001. Proceedings. IJCNN '01. International Joint Conference on
Conference_Location :
Washington, DC
Print_ISBN :
0-7803-7044-9
DOI :
10.1109/IJCNN.2001.938460