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IEICE TRANSACTIONS on Fundamentals

Progressive Coding of Binary Voxel Models Based on Pattern Code Representation

Bong Gyun ROH, Chang-Su KIM, Sang-Uk LEE

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Summary :

In this paper, we propose a progressive encoding algorithm for binary voxel models, which represent 3D object shapes. For progressive transmission, multi-resolution models are generated by decimating an input voxel model. Then, each resolution model is encoded by employing the pattern code representation(PCR). In PCR, the voxel model is represented with a series of pattern codes. The pattern of a voxel informs of the local shape of the model around that voxel. PCR can achieve a coding gain, since the pattern codes are highly correlated. In the multi-resolution framework, the coding gain can be further improved by exploiting the decimation constraints from the lower resolution models. Furthermore, the shell classification scheme is proposed to reduce the number of pattern codes to represent the whole voxel model. Simulation results show that the proposed algorithm provides about 1.1-1.3 times higher coding gain than the conventional PCR algorithm.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E87-A No.12 pp.3334-3342
Publication Date
2004/12/01
Publicized
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DOI
Type of Manuscript
PAPER
Category
Digital Signal Processing

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