Rewritable lossy compression of graphical data

Details Rewritable lossy compression of graphical data Rewritable lossy compression of graphical data

2007-03-21

2011-10-04

Wu, Jingge (Department: 2624)

Image analysis

Image compression or coding

Polygonal approximation

C382S232000, C382S243000, C345S419000, C345S428000, C345S441000, C345S442000, C345S443000

Reexamination Certificate

active

08031957

ABSTRACT:
A computer-implemented method can provide compression of a digital representation of an object. The digital representation can include a graphical data structure with graphical data defining the object in terms of a definition of respective faces of the object. Each face can be defined in terms of a surface for the face and each edge of the face on that surface. The method can include, for respective faces of the object, accessing the definition of the face in the graphical data structure, generating a compressed definition of the face and replacing the definition of the face in the graphical data structure by the compressed definition of the face.

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