The representation of geometrical 3D shape is discussed in this paper. A hierarchy of representations, which are invariant under weak perspective to either rigid or affine 3D transformations is described. These representations can be computed efficiently from a sequence of images with a linear and incremental algorithm. This hierarchy provides the means for adding a controlled amount of quantitative information to a symbolic representation. It also provides a library of representations, which may be used for different tasks (or purposes).<>
A hierarchy of invariant representations of 3D shape
1993-01-01
824835 byte
Conference paper
Electronic Resource
English
A Hierarchy of Invariant Representations of 3D Shape
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