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Weighting for Source Points

It has become clearer where the similarity measure is picking up penalties that should be avoided for optimal performance. If the objective function was changed to apply weighting to the different points, then a lot of problems would be averted. For instance, earlier systematic experiments showed that there is more discriminative power around the nose, yet with two eyes equally accounted for, only a third (or less) of the overall similarity measure is based on outward geodesic dilation from the centre of the nose.

Figure: Example of a true pair (same person) with a simplified representation of distances around each source point (FMM)
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Figure: Another example of a true pair with simplified representation of distances around each source point (FMM)
Image pair-diffs-2

Figure: An expanded view on the mis-correspondence between regions, where brighter shades represent greater disagreement between the pair taken from the same person
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Figure: An expanded view on the mis-correspondence between regions, where the pair taken is from different people
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Roy Schestowitz 2012-01-08