Abstract
This paper introduces a new approach for generating the hi- erarchical description of a non-rigid density object. Scale-space is useful for the hierarchical analysis. Process-grammar which describes the defor- mation process between a circle and the shape is proposed. We use these two approaches to track the deformation of a non-rigid density object. We extend 2D process-grammar to 3D density process-grammar. We an- alyze the event that the topology of zero-crossing surface of scale-space changes, as a density object changes smoothly. The analysis is useful to generate 3D density process-grammar from a limited number of obser- vations. This method can be used for tracking a non-rigid object using MRI data.
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© 1999 Springer-Verlag Berlin Heidelberg
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Morita, S. (1999). Hierachical Density Non-rigid Object Analysis. In: Nielsen, M., Johansen, P., Olsen, O.F., Weickert, J. (eds) Scale-Space Theories in Computer Vision. Scale-Space 1999. Lecture Notes in Computer Science, vol 1682. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-48236-9_45
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DOI: https://doi.org/10.1007/3-540-48236-9_45
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