An SSIM-based distance, computed after SIFT alignment, separates same-die from different-die coin pairs nearly perfectly on a newly released 329-image dataset.
The computer-aided die study (cads): A tool for conducting numismatic die studies with computer vision and hierarchical clustering
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A High-Accuracy SSIM-based Scoring System for Coin Die Link Identification
An SSIM-based distance, computed after SIFT alignment, separates same-die from different-die coin pairs nearly perfectly on a newly released 329-image dataset.