CONTEXTUAL CLASSIFICATION OF POINT CLOUDS USING A TWO-STAGE CRF
In this investigation, we address the task of airborne LiDAR point cloud labelling for urban areas by presenting a contextual classification methodology based on a Conditional Random Field (CRF). A two-stage CRF is set up: in a first step, a point-based CRF is applied. The resulting labellings are t...
Main Authors: | J. Niemeyer, F. Rottensteiner, U. Soergel, C. Heipke |
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Format: | Article |
Language: | English |
Published: |
Copernicus Publications
2015-03-01
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Series: | The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences |
Online Access: | http://www.int-arch-photogramm-remote-sens-spatial-inf-sci.net/XL-3-W2/141/2015/isprsarchives-XL-3-W2-141-2015.pdf |
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