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Point cloud compression framework for the web

Authors: Sylvain Renault; Thomas Ebner; Ingo Feldmann; Oliver Schreer;

Point cloud compression framework for the web

Abstract

This work is dedicated to the compression of 3D point clouds in order to allow an efficient and quick transmission of point cloud datasets (PCD) for visualization over the internet. Standard methods include quantization of vectors or cloud simplification via octree structures. While a quantization into a bit representation will transform vectors in discrete positions, we added octree structures for a fixed level for re-indexing the quantized points relative to the individual local position of the subdivisions. Each subdivision multiplies the resolution of one coordinate by two, by adding a “virtual” bit. This bit can be then removed from the quantization bytes. So the combination of quantization and fixed octree structures decreases the amount of needed quantization bits without losing resolution. On the contrary, it is possible to increase the resolution of a PCD by adding the “virtual” bit to the quantized data without significantly changing the size of the dataset. We demonstrated the feasibility of this technique for the web by developing a lightweight framework, running in a browser-based environment.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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