Connected operators enlarge the flat zones of an image and never create a contour where no contour was present. This definition is too vague to be useful in practice, except for binary images. For grey-tone images a more precise characterization has to he given in order to be operational. This leeds to the introduction of floodings, razings, flattenings and levelings. Extending the notion of a flat Zone and of a contour leads to extended connected operators. The chapter concludes by showing the versatility and power of these operators in practice. © 2006 Springer Science+Business Media, Inc.
CITATION STYLE
Meyer, F. (2006). Levelings: Theory and practice. In Handbook of Mathematical Models in Computer Vision (pp. 63–78). Springer US. https://doi.org/10.1007/0-387-28831-7_4
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