Distinctive Image Features from Scale-Invariant Keypoints
International Journal of Computer Vision
Classification of coins using an eigenspace approach
Pattern Recognition Letters
The Image Processing Handbook, Fifth Edition (Image Processing Handbook)
The Image Processing Handbook, Fifth Edition (Image Processing Handbook)
Efficient MRF deformation model for non-rigid image matching
Computer Vision and Image Understanding
Recognizing Ancient Coins Based on Local Features
ISVC '08 Proceedings of the 4th International Symposium on Advances in Visual Computing
SIFT Flow: Dense Correspondence across Scenes and Its Applications
IEEE Transactions on Pattern Analysis and Machine Intelligence
Identification of ancient coins based on fusion of shape and local features
Machine Vision and Applications
VAST'05 Proceedings of the 6th International conference on Virtual Reality, Archaeology and Intelligent Cultural Heritage
Rock art interpretation within indiana MAS
KES-AMSTA'12 Proceedings of the 6th KES international conference on Agent and Multi-Agent Systems: technologies and applications
Coarse-to-Fine correspondence search for classifying ancient coins
ACCV'12 Proceedings of the 11th international conference on Computer Vision - Volume 2
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This paper presents an automatic image-based ancient coin classification method that adopts the recently proposed SIFT flow method in order to assess the similarity of coin images. Our system does not rely on pattern classification as discriminative feature extraction and classification becomes very difficult for large coin databases. This is mainly caused by the specific challenges that ancient coins pose to a classification method based on 2D images. In this paper we highlight these challenges and argue to use SIFT flow image matching. Our classification system is applied to an image database containing 24 classes of early Roman Republican coinage and achieves a classification rate of 74% on the coins' reverse side. This is a significant improvement over an earlier proposed coin matching method based on interest point matching which only achieves 33% on the same dataset.