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Commutative anisotropic convolution on the 2-sphere

Sadeghi, Parastoo; Kennedy, Rodney; Khalid, Zubair


We develop a new type of convolution between two signals on the 2-sphere. This is the first type of convolution on the 2-sphere which is commutative. Two other advantages, in comparison with existing definitions in the literature, are that 1) the new convolution admits anisotropic filters and signals and 2) the domain of the output remains on the sphere. Therefore, the new convolution well emulates the conventional Euclidean convolution. In addition to providing the new definition of...[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Journal article
Source: IEEE Transactions on Signal Processing
DOI: 10.1109/TSP.2012.2217337


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