The company recommends its own SmART(TM) Search(TM) algorithm as an alternative.
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A short white paper titled "The Object Location Algorithm, the Evolution of 'Search'" is available from Imaging Technology (Bedford, MA). Discusses how machine evolution has progressed since the introduction of Normalized Grayscale Correlation algorithm, used by many vision companies.
The company recommends its own SmART(TM) Search(TM) algorithm as an alternative.