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Graphical authors face a plethora of challenges in authoring images collaboratively. Their tasks involve work by different authors at each and every stage of the design process. Some of the challenges in such a collaborative environment are time and space, awareness, communication, intellectual property, simultaneity and locking, protection, workflow, security and platform independence. This paper...
Efficient techniques to compress/decompress triangulations are commonly used when dealing with huge size meshes. Optimal compression methods which allow to decompress just a part of a triangulation are nevertheless rather unpopular in practice. In this paper we present a simple technique which allows encoding plane triangulations without knowing a priori whether the whole mesh or just a part of it...
The region quadtree is a hierarchical data structure that finds use in applications such as image processing, computer graphics, pattern recognition, robotics, and cartography. In order to save space, a number of pointerless quadtree representations (termed linear quadtrees) have been proposed. One representation maintains the nodes in a list ordered according to a preorder traversal of the quadtree...
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