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A Tuned Mesh-Generation Strategy for Image Representation Based on Data-Dependent Triangulation

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2 Author(s)
Ping Li ; Qualcomm Canada Inc., Markham, ON, Canada ; Adams, M.D.

A mesh-generation framework for image representation based on data-dependent triangulation is proposed. The proposed framework is a modified version of the frameworks of Rippa and Garland and Heckbert that facilitates the development of more effective mesh-generation methods. As the proposed framework has several free parameters, the effects of different choices of these parameters on mesh quality are studied, leading to the recommendation of a particular set of choices for these parameters. A mesh-generation method is then introduced that employs the proposed framework with these best parameter choices. This method is demonstrated to produce meshes of higher quality (both in terms of squared error and subjectively) than those generated by several competing approaches, at a relatively modest computational and memory cost.

Published in:

Image Processing, IEEE Transactions on  (Volume:22 ,  Issue: 5 )