Effective Mean Square Differences: A Matching Algorithm for Highly Similar Sheet Metal Parts
Hui Zhang,
Zhen Guan,
Joe Eastwood
et al.
Abstract:The accurate identification of highly similar sheet metal parts remains a challenging issue in sheet metal production. To solve this problem, this paper proposes an effective mean square differences (EMSD) algorithm that can effectively distinguish highly similar parts with high accuracy. First, multi-level downsampling and rotation searching are adopted to construct an image pyramid. Then, non-maximum suppression is utilised to determine the optimal rotation for each layer. In the matching, by re-evaluating t… Show more
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