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Technical Report: Reduction and Compression using Octrees --- 3DTK's entry to the ICIP 2019 Challenge on Point Cloud Coding

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Robotics and Telematics, University of Würzburg, Würzburg, Germany, (September 2019)

Abstract

Modern photogrammetric methods as well as laser measurement systems make it easy to collect large 3D point clouds that sample objects or environments. Several mechanisms are available in literature for storing and compressing point clouds, e.g., applying conventional image based compression methods to 3D point clouds. In this challenge entry however, we make use of octree subsampling and compression, which is nicely suited for unstructured, registered 3D point clouds of arbitrarily shaped objects.

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