| MNS-
Multi-Nodal Signature |
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| • | Uses colour pair
patches as key for matching |
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| • | Original version
only used presence of a colour |
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| pairs and no real
scope for indexing |
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| • | Now exploring use
of quantised colour pairs, an |
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| indexing strategy
and use of frequency of |
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| occurrence within
an image and inverse of |
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| document
frequency as weightings. |
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