Abstract
This paper focuses on the 3D facial similarity comparison by using a computer automatically.A new 3Dfacial similarity comparison method based on a geodesics in a shape space was proposed.In this method,3Dfacial surface was approximately represented by a set of geodesics and the corresponding geodesics between two facial models were compared by a elastic metric in the shape space,in which the similarity between two faces could be measured by the average geodesic distance of all corresponding geodesics.3Dfacial similarity experiments were perfomed on 28 facial models of 14 persons in Gavadb database and the recognition rate is above 92.86%,which indicates that this method recognizes the facial models of the same person from different person's facial models.In addition,3Dfacial similarity experiments on different person's facial models were implemented.The experimental results show that the similarity values computed by proposed method consist with that of people's subjective judgment.These results reflect that the proposed method can measure the similarity of 3Dfaces well.
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