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September 3, 2018 17:28
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+---------------------------+-------------------------------------------------------------------------------+ | |
| H function | Properties | | |
+---------------------------+-------------------------------------------------------------------------------+ | |
| H(Xi,Xj) = ΘjXj | Classical Euclidean convolution | | |
| Θ = (Θi,....,Θk) | | | |
|---------------------------|-------------------------------------------------------------------------------| | |
| H(Xi,Xj) = H(Xi) | Encoding global information of the local neighboring structure. (Pointnet) | | |
|---------------------------|-------------------------------------------------------------------------------| | |
| H(Xi,Xj) = H(Xj - Xi) | Encodes the local information, considering the shape as collection of small | | |
| | patches and losing the global information. | | |
|---------------------------|-------------------------------------------------------------------------------| | |
| H(Xi,Xj) = H(Xi, Xj - Xi) | Asymmetric edge function which combines the global shape structure(Xi) and | | |
| | local shape features(Xj-Xi) | | |
+---------------------------+-------------------------------------------------------------------------------+ |
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