1. A method for automatically identifying a shared boundary between two abutting food product articles in a food processing system, the method comprising the steps: i. scanning a pair of food articles comprising a first food article abutting a second food article, wherein a shared boundary is defined between the first and second food articles to produce a scan data set; ii. identifying from the scan data set a closed contour corresponding to a perimeter of the scanned pair of food articles, wherein the closed contour encloses the first and second food articles; iii. analyzing the closed contour to estimate the location of the shared boundary between the first and second food articles.