M. Sakamoto, S. Kato, and H. Itoh (Japan)
Earthenware Reconstruction, Hierarchical Representationof Contour, Critical Level, Shape Similarity
This paper proposes an earthenware reconstruction system considering the hierarchy of a contour. In general, most of potsherds have complex, irregular, and weathering con tours because of rain, wind and so on. Reconstruction of earthenware is, therefore, attended with a lot of difficulties. In our previous work, a system which compares divided contour shape has been developed, but there are some prob lems, for the contours are just divided by salient points. In this paper, we discuss a hierarchy of a contour considering its curvature, and then, we propose a joint detection method utilizing the hierarchies. We have implemented the method into our earthenware reconstruction system, and we report good performance results for some weathered potsherds.
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