G - Physics – 06 – K
Patent
G - Physics
06
K
G06K 9/46 (2006.01) A61B 5/117 (2006.01) G06K 9/00 (2006.01) G06K 9/64 (2006.01) G06T 9/00 (2006.01) G07C 9/00 (2006.01) H04N 7/26 (2006.01)
Patent
CA 2087523
A method of processing an image comprising the steps of: locating within the image the position of at least one predetermined feature; extracting from said image data representing each said feature; and calculat- ing for each feature a feature vector representing the po- sition of the image data of the feature in an N-dimen- sional space, said space being defined by a plurality of reference vectors each of which is an eigenvector of a training set of like features in which the image data of each feature is modified to normalise the shape of each feature thereby to reduce its deviation from a predeter- mined standard shape of said feature, which step is car- ried out before calculating the corresponding feature vector.
Shackleton Mark Andrew
Welsh William John
British Telecommunications Public Limited Company
Gowling Lafleur Henderson Llp
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