[IPOL discuss] [IPOL announce] new article: Progressive Compression of Triangle Meshes

[announcements about the IPOL journal]

A new article is available in IPOL: http://www.ipol.im/pub/art/2023/418/

Vincent Vidal, Lucas Dubouchet, Guillaume Lavoué, and Pierre Alliez,
Progressive Compression of Triangle Meshes,
Image Processing On Line, 13 (2023), pp. 1–21.
https://doi.org/10.5201/ipol.2023.418

Abstract
This paper details the first publicly available implementation of the 
progressive mesh compression algorithm described in the paper entitled 
"Compressed Progressive Meshes" [R. Pajarola and J. Rossignac, IEEE 
Transactions on Visualization and Computer Graphics, 6 (2000), pp. 
79-93]. Our implementation is generic, modular, and includes several 
improvements in the stopping criteria and final encoding. Given an input 
2-manifold triangle mesh, an iterative simplification is performed, 
involving batches of edge collapse operations guided by an error metric. 
During this compression step, all the information necessary for the 
reconstruction (at the decompression step) is recorded and compressed 
using several key features: geometric quantization, prediction, and 
spanning tree encoding. Our implementation allowed us to carry out an 
experimental comparison of several settings for the key parameters of 
the algorithm: the local error metric, the position type of the 
resulting vertex (after collapse), and the geometric predictor.




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