The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 15, 2017

Filed:

Sep. 24, 2014
Applicant:

University of Maribor, Maribor, SI;

Inventors:

Niko Lukac, Lenart, SI;

Borut Zalik, Kamnica, SI;

Assignee:

UNIVERSITY OF MARIBOR, Maribor, SI;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06T 15/00 (2011.01); G06T 9/00 (2006.01); G06T 19/00 (2011.01); G06T 17/20 (2006.01); G06T 15/10 (2011.01); G06T 17/00 (2006.01);
U.S. Cl.
CPC ...
G06T 9/00 (2013.01); G06T 15/00 (2013.01); G06T 15/10 (2013.01); G06T 17/00 (2013.01); G06T 17/20 (2013.01); G06T 19/00 (2013.01);
Abstract

Fast near-lossless compression includes four steps: voxelization of the 3D geometry, decomposing the 3D voxel space into consecutive slices, encoding each slice with chain codes, and compressing the chain code with entropy coding. The decompression works by applying the aforementioned steps in inverse order. Smoothing over the voxels' centers is applied afterwards in order to reconstruct the input 3D points. Optionally 3D mesh is reconstructed over the approximate point cloud in order to obtain the original geometric object. The quality of the compression/decompression is controlled by resolution of the 3D voxel grid.


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