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I guess the algorithm can be. According to http://en.wikipedia.org/wiki/Scale-invariant_feature_transform http://en.wikipedia.org/wiki/Scale-invariant_feature_t

by zkan 15y ago

I guess the algorithm can be. According to http://en.wikipedia.org/wiki/Scale-invariant_feature_transform http://en.wikipedia.org/wiki/Scale-invariant_feature_transfo..., SIFT is already patented.