Method and apparatus for representing an area of a raster...

Image analysis – Applications – Personnel identification

Reexamination Certificate

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C382S115000, C382S116000, C382S117000, C382S254000, C382S258000, C382S259000

Reexamination Certificate

active

07876932

ABSTRACT:
One embodiment of the present invention provides a system that can represent an area of a raster image by a centerline. During operation, the system receives a planar map which represents a raster image that contains a region. Note that the region corresponds to a face in the planar map whose edges correspond to the boundaries of the region. Next, the system determines a centerline for a subregion within the region which is currently represented by an outline. The system then transforms the planar map so that the subregion is represented by the centerline.

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