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Optimised black-and-white contour coding

Turner M. J.

Machine Graphics and Vision

2000

Vol. 9, No. 1/2

397-402

A hierarchical two-dimensional structural iamge segmentation algorithm based on a contour tree description is presented. This format is compared with more traditional facsimile coding standards (T.4, T.6 and T.82) (as well as other common compression standards) on the standard ITU test set of facsimile images. A detailed study of the coding complexity and choices required to design a general contour coding strategy is carried out. A final choice of parameters is presented and compared against previous work on gray-scale imagery.